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Chapter 8. Solving Computer Problems

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Summary of Contents for ThinkPad 755CX

Page 1: ...i All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 2: ...products and the programs described in this publication at any time It is possible that this publication may contain references to or information about IBM products machines and programs programming o...

Page 3: ...of the most advanced and versatile notebook computers With such innovative features as audio telephony infrared ports a long life battery and a brilliant color display the ThinkPad 755CX will satisfy...

Page 4: ...nction Power Management ThinkPad Features Program PCMCIA Support Long Life Battery Pack Easy Setup Mwave DSP Audio Telephony and Data Fax Modem Features Thinkpad Features 1 8 2 6 4 10 11 9 3 7 5 Infra...

Page 5: ...the computer and hard disk drive Lock security and a personalization utility are also provided See Chapter 5 6 Fn key function The combination of this Fn key and a function key controls display modes...

Page 6: ...vi IBM ThinkPad 755CX User s Guide All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 7: ...tall or remove IBM options Chapter 7 Installing Software explains how to install operating systems device drivers and other support software Chapter 8 Solving Computer Problems describes what to do if...

Page 8: ...possible damage to programs devices system or data It appears before the related instruction or situation in which possible damage could occur Indicates situations that are potentially hazardous to yo...

Page 9: ...g OFF Turn everything OFF First attach all cables to devices First remove the power cord from the outlet Attach the signal cables to receptacles Remove signal cables from receptacles Attach the power...

Page 10: ...er the diskette drive can be replaced only by your IBM authorized reseller or IBM marketing representative Do not disassemble incinerate or short circuit it The battery can cause burns or release toxi...

Page 11: ...with Your 755CX SVGA Model 28 Using the Online Book 29 Starting for OS 2 or Windows 29 Starting for DOS 29 Keeping the Computer from Being Damaged 30 Carrying the Computer 31 Chapter 3 Operating Your...

Page 12: ...Saving Modes 106 Chapter 5 Protecting Your Computer 109 Using Passwords 110 Power On Password 110 Hard Disk Password 114 Supervisor Password 118 Using the Hard Disk and Power On Passwords 122 Using t...

Page 13: ...176 IBM OS 2 Warp or Version 2 11 176 IBM DOS Version 7 0 or Later 176 Microsoft Windows Version 3 11 or Later 177 Installing the ThinkPad Features Program 180 Installing for OS 2 180 Installing for D...

Page 14: ...g Hardware Conflicts 227 Appendix B Advanced Information for PC Cards 231 Auto Configurator for the PC Card Director Program 231 Example When a Modem Card Is Used 232 Example When the Auto Configurato...

Page 15: ...Appendix E Product Warranties and Notices 255 Notices 261 Trademarks 261 Electronic Emission Notice 263 Glossary 269 Index 273 Contents xv All manuals and user guides at all guides com...

Page 16: ...xvi IBM ThinkPad 755CX User s Guide All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 17: ...our mobile computing needs It can used both inside and outside your office This chapter describes the Product Map and the steps for setting up the computer About the Product Map 2 Checking Your Items...

Page 18: ...and options on the Map you will be able to check that all items were shipped to you Checking Your Items Remove the Product Map from the box and spread it on a desk or flat surface Next remove each ite...

Page 19: ...tes contain the DSP digital signal processor support programs 8 Miscellaneous items are supplied in an envelope that contains Spare caps for TrackPoint III Wallet for telephone cable PCMCIA slot cover...

Page 20: ...s on the Product Map This section describes the slots connectors and options that are shown on the Product Map To install options refer to Chapter 6 4 IBM ThinkPad 755CX User s Guide All manuals and u...

Page 21: ...tion PCMCIA 1 The security keyhole is used with the Kensington MicroSaver Security System hereafter called Kensington lock or a compatible lock to protect the devices inside of the computer 11 The mem...

Page 22: ...t be needed to slide these latches if they are tight 3 Install the battery pack into the middle compartment and firmly press it in to make sure of the electrical connection then close the keyboard Sli...

Page 23: ...Getting Started 2 Right Side View 2 1 1 2 2 1 3 3 1 Chapter 1 Getting Started 7 All manuals and user guides at all guides com...

Page 24: ...Screen Messages on page 206 An Operating System screen Date and Time menu 03 31 23 59 59 Month Day Hour Month Second Year 1995 If you purchased a computer with a preinstalled operating system the sta...

Page 25: ...Getting Started 2 3 1 4 5 6 7 Chapter 1 Getting Started 9 All manuals and user guides at all guides com...

Page 26: ...Getting Started 10 IBM ThinkPad 755CX User s Guide All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 27: ...20 Car Battery Adapter 22 Operating with the TrackPoint III 23 Changing the Cap 25 Operating the Numeric Keypad 26 Using the Display 27 Using a DOS Application with Your 755CX SVGA Model 28 Using the...

Page 28: ...cations and Functions This section provides additional useful information about your computer FrontView 1 2 4 6 3 5 7 8 9 12 11 13 14 10 10 15 16 12 IBM ThinkPad 755CX User s Guide All manuals and use...

Page 29: ...o attach a mouse external keyboard or external numeric keypad to the computer See page 159 163 6 PCMCIA slots accept one or two PC Cards See page 134 7 The PC Card eject buttons eject the PC Card from...

Page 30: ...Locations and Functions InsideView RearView Bottom View 6 14 IBM ThinkPad 755CX User s Guide All manuals and user guides at all guides com...

Page 31: ...or external speakers See page 76 5 The microphone line in jack a 1 8 inch 3 5 mm diameter jack is where a stereo microphone or external audio device is connected See page 76 6 The modem fax port is wh...

Page 32: ...mains for operation Orange Some power remains for operation Blinking orange The battery pack needs charging Yellow Orange Blinking orange 3 Battery charging Green Indicates that the battery pack is be...

Page 33: ...key 9 Scroll lock Green Alternately turns on and off each time the ScrLk key is pressed While this indicator is on the Arrow keys are used as screen scroll function keys In this state the cursor cann...

Page 34: ...100 240 V ac 50 60 Hz CAUTION Do not attempt to open the AC Adapter case The AC Adapter is permanently sealed and cannot be repaired Warning Always use the AC Adapter certified by IBM in the country w...

Page 35: ...d Fasten the AC Adapter Cable When you carry the AC Adapter with your computer you can wrap and fasten the cable as follows 1 1 2 3 Chapter 2 Getting Familiar with Your Computer 19 All manuals and use...

Page 36: ...4 You can use the following battery packs for the ThinkPad 755CX Lithium Ion Battery Pack The following table shows the operating time of the computer with a fully charged lithium ion battery pack Not...

Page 37: ...e Using the NiMH Battery Pack This battery pack has an internal microprocessor to send the battery status to the computer The storage switch 1 on the battery pack sets this microprocessor on or off Wh...

Page 38: ...representative To charge the standby battery connect the AC Adapter to the computer When using the computer for the first time let the battery charge for at least 8 hours to allow it to become fully c...

Page 39: ...position The TrackPoint III consists of a stick 1 on the keyboard and a pair of click buttons 2 below the keyboard The motion of the cursor on the screen is controlled by the amount of pressure appli...

Page 40: ...ith either thumb to select and drag as required by your software as with any other pointing device Note The mouse cursor may drift in some computer conditions It is not a defect Do not use the TrackPo...

Page 41: ...he cap 1 on the end of the TrackPoint III is removable You can replace it with one of the spares shipped with your computer Chapter 2 Getting Familiar with Your Computer 25 All manuals and user guides...

Page 42: ...le the numeric keypad press and hold Shift and then press NumLk 0 1 2 3 4 5 6 7 8 9 NumLk Note The keys are functional but the function of the key is not printed on the keytop When the keypad is enabl...

Page 43: ...eo at maximum To change the display mode Page 166 To display the computer output on the external display you need to set the display mode appropriately You can select one of the following display mode...

Page 44: ...that supports only VGA mode 640 by 480 resolution Otherwise the screen of the external display is disordered and the output is not displayed Display Mode LCD only CRT only Both On the LCD On the exter...

Page 45: ...nd prompt and press Enter 2 Type READIBM and press Enter The menu for the online book appears Choose any subject from the menu Hints and Tips You can leave a bookmark or write notes as you read throug...

Page 46: ...iskette drive Insert a diskette straight into the diskette drive Inserting it at an angle can damage the front of the diskette drive Do not place more than one diskette label on a diskette Two or more...

Page 47: ...computer doors and covers are closed To remove the diskette drive Page 150 For Your Information 1 You should occasionally back up data from the hard disk to diskettes or tapes 2 To use the AC Adapter...

Page 48: ...Carrying the Computer 32 IBM ThinkPad 755CX User s Guide All manuals and user guides at all guides com...

Page 49: ...iderations for Hibernation Mode 60 Using PC Cards 61 About PC Cards 61 Limitations of Operation during Suspend and Hibernation Modes 61 Using the PC Card Director Program 62 Understanding the Meaning...

Page 50: ...ves for an operating system is set in the drive startup sequence See Using the Selectable Drive Startup Sequence on page 47 for more information 03 31 23 59 59 Month Day Hour Month Second Year 1995 Th...

Page 51: ...Features program Power Display Alarm Settings ThinkPadSetup ThinkPad Features Device Power More Power Mode SystemInformation Suspend Hibernation Resume Options IRQ DMA Memory Assignment Fuel Personal...

Page 52: ...kPad Features Help XX XXXXX X XX XXX Personalization Docking Control Docking Control Help PC Card Director Hints and Tips You also can use ThinkPad Features Program through the PS2 program from the DO...

Page 53: ...minutes Your choice Processor speed Maximum Automatic clock control Your choice Customizing power mode To customize the power mode such as the processor speed select Settings The power mode settings...

Page 54: ...II or another pointing device Note When the color depth is set to 65536 or 32768 the available virtual screen size is 800 by 600 resolution at maximum To get a virtual screen with a 1024 by 768 resolu...

Page 55: ...ating mode and view the interrupt levels Note You cannot use more than two serial devices at the same time Serial devices include a device connected to the serial port a modem in the diskette drive co...

Page 56: ...h as your name and address on the screen when the computer is turned on These appear only when a password is set Personalization Utility program Page 125 Docking Control The Docking Control Utility pr...

Page 57: ...RGE DEFAULT Cover Note The screen might be different from the actual one You can select an item from the menu and follow the instructions on the screen to set any of the features Using the Batch File...

Page 58: ...hange the screen color of the Easy Setup menu with Ctrl PgUp or Ctrl PgDn Use Ctrl Home to restore the original screen color 3 Press and hold F1 then turn on the computer Hold F1 until the Easy Setup...

Page 59: ...rallel Parallel enables you to select the port address for a device such as a printer that is connected to the parallel connector When you select Bidirectional the data transfer between the selected p...

Page 60: ...setting Clicking on the or icon changes the setting more quickly After verifying the selection click on OK or press Enter To cancel the setting click on Cancel or press Esc Password Password is used t...

Page 61: ...nstalled and the attached expansion unit Dock I or II has a diskette drive the diskette drive in the Dock I or Dock II will be the first drive Test Select Test to test the computer hardware HDD 2 Syst...

Page 62: ...asy Setup Restart Click on Restart to restart the computer after you have made your selections Then press Enter or click on OK 46 IBM ThinkPad 755CX User s Guide All manuals and user guides at all gui...

Page 63: ...disk or the PC Card without checking the diskette drive or to do a remote program load RPL Changing the Startup Sequence To change the startup sequence do the following To start Easy Setup Page 42 1...

Page 64: ...on or off The Fuel Gauge program must be activated before you can use this key combination When the this key combination is pressed For OS 2 or Windows users The window for the battery power status ap...

Page 65: ...s used when the AC Adapter is attached The Fuel Gauge program displays the current power option Fn Hibernation mode Places the computer in hibernation mode See Hibernation Mode on page 57 for more inf...

Page 66: ...or short idle times for example when you are having a short conversation with someone See page 52 for more information Suspend Mode Enter suspend mode for short periods of time away from your computer...

Page 67: ...hows the amount of battery power used in each stage To set the timer Page 35 Power Switch Fn F11 StandbyMode Fn F4 Power Shutdown Switch Operation Mode Anykey Power off 0 Hibernation Mode Timer Power...

Page 68: ...the computer to enter standby mode and resume normal operation Fn key function Page 48 To Standby Mode Fn F3 key combination is pressed No activity occurs during the time specified by the Standby time...

Page 69: ...utton is pressed in the Fuel Gauge program No activity occurs during the time specified by the Suspend timer of the ThinkPad Features program A low battery condition is detected The keyboard is opened...

Page 70: ...ent memory data is stored on the hard disk so that you can get the same status after resuming normal operation And if battery power is exhausted during suspend mode you can get the same status by turn...

Page 71: ...perating systems DOS Version 7 0 or later OS 2 Version 2 11 or later Microsoft Windows Version 3 11 with DOS Version 7 0 or later Important When you use Windows Version 3 11 ensure that Advanced Power...

Page 72: ...te restart the application or computer When the computer is using one of the following IBM modem cards and detects an incoming call while in suspend mode it automatically resumes normal operation IBM...

Page 73: ...y restores the tasks and resumes normal operation No battery power is used when the computer is in hibernation mode Note The time to enter or exit hibernation mode depends on the size of computer memo...

Page 74: ...e program The time specified by the hibernate option after the expiration of suspend mode No activity occurs during the time specified by the Suspend timer of the ThinkPad Features program A low batte...

Page 75: ...describes how to create a hibernation file for your operating system OS 2 WIN For OS 2 or Windows 1 Turn on the computer and start the ThinkPad Features program 2 Select Power then select More 3 Click...

Page 76: ...ollowing IBM PC Cards it does not enter hibernation mode IBM PCMCIA Data FAX Modem IBM High Speed PCMCIA Data FAX Modem IBM 3270 Emulation Credit Card Adapter IBM 5250 Emulation Credit Card Adapter IB...

Page 77: ...CIA slot of the computer The PCMCIA slots support Type I Type II and Type III PC Cards You can use two Type I or Type II PC Cards or one Type III PC Card in the PCMCIA slots However because the Type I...

Page 78: ...you can use it PC Card Director requires the Socket Services and Card Services drivers Note The PCMCIA CRD file does not always list the latest PC Cards If your PC Card is not listed try using it wit...

Page 79: ...menu screens To obtain additional information for each screen click on this button Status Icons Icon DOS Message Meaning Empty No PC Card is installed in the slot A PC Card is installed OK Ready The...

Page 80: ...sk card LAN Communication card Modem Modem card Depends on the type of your PC Card I O card DOS Boot DOS was booted from the PC Card that is installed OS2 Boot OS 2 was booted from the PC Card that i...

Page 81: ...or the lower slot Descriptions of the icons are on page 63 OK Options Help View PCMCIA Socket Detail View No Status CardType CardInformation X XXXXXXXXXX XXXXX XX XXXX 1 2 PCCardDirector To view the d...

Page 82: ...an minimize the screen and keep it on the OS 2 Desktop to view the slot information Options Help View 1 2 Modem PCCardDirector If you select Options the following choices appear Options Help View PCMC...

Page 83: ...ration After you register an application program you can set it to start automatically when you insert the PC Card by selecting Automatically as card is inserted You can register more than one applica...

Page 84: ...ce of the Object List RegisterObject SelectaCardType Memory OK Help V ObjectList Drag DropWorkplaceObjectbelow Launch AutomaticallyasCardisReady AutomaticallyasCardisInserted ByManualOperation Launch...

Page 85: ...rector c Copyright IBM Corp 1995 Version x xx Card Services DOS Card Services Driver Version x xx PCMCIA Card Services Release x xx Revision x xx Socket Information Socket Status Card Type Card Inform...

Page 86: ...mary No Status CardType CardInformation Empty 1 CardInfo Appl Register Ready Memory X XXXXX XXXXX XXX XX XX XX XX 2 OK PCCardDirector PCCardDirector Card Info shows details of a PC Card installed in a...

Page 87: ...ter does the following Register Applications registers changes or deletes an application program according to the PC Card type even when a PC Card is not installed in the slot Change Card Type changes...

Page 88: ...second Kbps Kilobits per second ThinkPad 1 15 Mbps This mode is used when communicating with another 755 series computer with an infrared port or other systems supporting ThinkPad mode Generic up to 1...

Page 89: ...mended that the communicating ThinkPad computers use their rear infrared port to communicate with each other When communicating between a front infrared port and an infrared port on another computer t...

Page 90: ...at a time to communicate with the infrared ports When using applications that use a conventional serial port and serial cable to exchange data your computer infrared ports are used as a replacement f...

Page 91: ...s including the following Note You can use an electric condenser microphone with battery for sound recording Audio functions Supports the wave audio record and playback up to 16 bit stereo and 44 kHz...

Page 92: ...the external cables or devices Modem FaxPort When the DAA TelephonyOption Kit is installed Data Access Arrangement Headphone Jack Microphone Line in Jack Modem FaxPort Headphone Jack Microphone Line i...

Page 93: ...record and playback MIDI synthesizer Sound Blaster support in the DOS session Data modem DOS For DOS Sound Blaster support Data modem WIN For Windows Wave audio record and playback MIDI synthesizer So...

Page 94: ...nment through Multimedia Presentation Manager 2 MMPM 2 To use the Mwave audio functions with OS 2 refer to the MMPM 2 manuals For Your Information To play the audio files in the MMPM 2 environment Whe...

Page 95: ...s Enter A boot diskette has started to be created Before starting your games restart your computer with this boot diskette inserted into the diskette drive Some sample files such as CONFIG SYS file wi...

Page 96: ...age 195 Recorder Record and Playback the Wave Audio Files When you double click on the Recorder icon the following window appears File Edit Options Help Mono 11 025kHz 8Bit 0bytes Position 00 00 00 Le...

Page 97: ...l and select an options menu for additional control Output control This section allows you to adjust the balance and sound levels and control the mute And it can be considered a stereo amplifier with...

Page 98: ...ot use it Playing the MIDI Sequencer Files Note When you play the MIDI files in the WIN OS 2 environment see Considerations for the WIN OS 2 Environment on page 83 To play the MIDI sequencer files in...

Page 99: ...ion and start the game Considerations for the WIN OS 2 Environment Note When you use the WIN OS 2 environment see For Windows or WIN OS 2 on page 80 The following are considerations when playing MIDI...

Page 100: ...To avoid shock hazard do not connect the telephone cable to or disconnect it from the telephone outlet on the wall during electrical storms Note If you use both the computer and a telephone with one t...

Page 101: ...OS 2 and Windows To start the Mwave modem do the following 1 Select the following according to your operating system For OS 2 open the Mwave for OS 2 folder on the OS 2 Desktop For Windows open the Mw...

Page 102: ...ther functions To turn off the modem do the following 1 If the modem window is minimized double click on the icon to maximize it 2 Select Close from the window pull down menu DOS For DOS To start the...

Page 103: ...V 21 V 22 V 22bis protocols with data from 50 to 2400 bps CCITT V 32 protocols with data rates of 4800 9600 uncoded and 9600 bps Trellis coded optional CCITT V 32bis protocols with data rates of 4800...

Page 104: ...ou to change the country name currently supported by the Mwave telephony features When you travel to other countries and use the Mwave telephony function you need to change the country name from the c...

Page 105: ...Support for a Windows MCI FAX application interface Use of direct memory access DMA instead of a COM port to increase performance DTMF and pulse dialing G3 transfers T 4 T 30 operations V 27ter 2400 4...

Page 106: ...g both incoming and outgoing phone calls Start recording your greeting after being alerted by a beep Alert your caller with a beep to start recording a message Place the phone on or off hook and dial...

Page 107: ...Power Status Indicator 96 Low Battery Condition 97 Using the Fuel Gauge Program 98 Fuel Gauge Program for OS 2 and Windows 99 Discharging the Battery Pack for OS 2 and Windows 100 Fuel Gauge Program f...

Page 108: ...ours 755CX VGA model 3 2 10 0 hours Model Battery Operating Time 755CX SVGA model 2 4 7 0 hours 755CX VGA model 2 6 8 0 hours Charging the Battery Pack Note While you operate your computer the NiMH ba...

Page 109: ...e lithium ion battery pack its temperature must be at least 10 C 50 F When the AC Adapter is connected and the remaining power of the installed battery pack is less than a certain amount discharging a...

Page 110: ...Suspend mode charging 1 2 hours To discharge the battery Page 98 If the NiMH battery pack is new or has not been used for a long period of time it will not reach full charge with only a single chargi...

Page 111: ...e following Note Make sure the locking lever for the hard disk drive is unlocked 1 Open the LCD then open the keyboard The computer automatically enters suspend mode and One beep is heard The suspend...

Page 112: ...Action Required Green Fully charged Continue your work Yellow Usable Orange Some power remains You will hear three beeps when the indicator turns orange The AC Adapter should be connected to the comp...

Page 113: ...he Fn key To continue your work with a fully charged battery pack 1 Connect the AC Adapter to the computer 2 Replace the battery pack with a fully charged one 3 Press the Fn key 4 Disconnect the AC Ad...

Page 114: ...attery pack condition on the screen The Fuel Gauge program appears on the screen with the following information about the battery pack Power mode Battery status Suspend or hibernation options Discharg...

Page 115: ...ery and power mode alternately appear when the program is minimized Power source AC AC Adapter BT Battery Power mode HI High Performance AU Automatic CU Customized 2 Duration of Remaining Power does n...

Page 116: ...he Discharge button You can use the computer while the battery pack is discharging however do not enter suspend mode or turn off the computer until the discharge is complete Power on password Page 110...

Page 117: ...Adapter is connected to the computer the following messages alternately appear Power source AC Charge charging battery pack AC Discharge discharging battery pack AC battery pack is fully charged Neith...

Page 118: ...Pack for DOS Note The battery charging indicator starts blinking when discharging starts When the AC Adapter is being used and the battery pack needs to be discharged the computer prompts you with an...

Page 119: ...urn off the computer whenever it is not in use Warning When you use the NiMH battery pack make sure the battery pack power is completely used before you recharge it Recharging a battery pack that is n...

Page 120: ...le Each operating system comes with its own APM OS 2 When you use OS 2 with your computer APM is automatically installed when the installation program detects that your computer has the power manageme...

Page 121: ...on the highlighted cursor over MS DOS System and press Enter 4 Position the highlighted cursor over MS DOS System with APM and press Enter 5 Verify that the item Computer has changed to MS DOS System...

Page 122: ...er standby mode or suspend mode whenever you are not using the computer One of the easiest ways to enter the modes is to use the Fn key function To enter standby mode press and hold Fn then press F3 T...

Page 123: ...kPad Features program Page 180 Note These power modes allow immediate setting of all power saving options to their optimum values for each mode To select a power mode Press and hold Fn then press F11...

Page 124: ...led by the power management function Maximum Medium Slow Minimum Processor Hard Disk Off Saving Power Amount of Required Power 100 Legend Require Power in No Power Saving Mode Power Saving Mode Standb...

Page 125: ...pervisor Password 119 Changing a Supervisor Password 120 Removing a Supervisor Password 121 Using the Hard Disk and Power On Passwords 122 Using the Supervisor and Hard Disk Passwords 122 Using Severa...

Page 126: ...operation from suspend mode When the password is entered correctly OK appears Note Do not press the Spacebar after you enter the password this action removes the password Note If Default in the Config...

Page 127: ...as same letter 4 Type your power on password again to verify it then press Enter Do Not Forget Your Power On Password If you forget your power on password you cannot reset it You have to take the comp...

Page 128: ...prompt appears type your current power on password then press the Spacebar 3 Type the new password then press the Spacebar Use no more than seven characters 4 Type the new password again to verify it...

Page 129: ...fter normal operation is resumed To remove a power on password do the following 1 Turn off the computer and wait at least 5 seconds then turn it on 2 When the password prompt appears type your current...

Page 130: ...ation from suspend or hibernation mode When the password is entered correctly OK appears When the hard disk password is set activation of the resume function by the timer or an incoming calling suspen...

Page 131: ...regarded as same letter 4 Type your hard disk password again for verification then press Enter Do Not Forget Your Hard Disk Password Note the password and keep it in a safe place If you forget your ha...

Page 132: ...ard disk password and the power on password are different or the power on password has not been set 1 Turn off the computer and wait at least 5 seconds then turn it on 2 If you have set a power on pas...

Page 133: ...d disk password is removed when you remove the power on password If the power on password is needed reset it When the hard disk password and the power on password are different or a power on password...

Page 134: ...fail to enter the correct password after three tries you must turn the computer off wait at least 5 seconds and turn it on to try again When typing your password release each key quickly If you hold a...

Page 135: ...again for verification then press Enter Do Not Forget Your Supervisor Password Note the password and keep it in a safe place If you forget your supervisor password you have to take the computer to IBM...

Page 136: ...the new password again for verification then press Enter Do Not Forget Your Supervisor Password Note the password and keep it in a safe place If you forget your supervisor password you have to take t...

Page 137: ...press Enter 3 Select the Password icon from the Easy Setup menu 4 Select the Supervisor icon then type your current password and press the Spacebar 5 Press Enter at the blank box 6 Press Enter again a...

Page 138: ...ated from the suspend mode by the timer or an incoming call Enter the hard disk password at the blank screen The LCD remains blank until the correct password is entered Using the Supervisor and Hard D...

Page 139: ...than one hard disk drive on your computer To set a supervisor password Page 119 1 Set a supervisor password on your computer To install the hard disk drive Page 148 2 Install the hard disk drive in wh...

Page 140: ...r The hard disk password prompt appears 4 Do one of the following If you removed the supervisor password type the old supervisor password then press the Spacebar If you changed the supervisor password...

Page 141: ...to store your personal data in the nonvolatile memory of your system Company Name IBM Corporation Address Phone Number Fax Number Message In case you find this computer please contact at the above ad...

Page 142: ...es Edit Colors d Specify a Width of 320 and Height of 200 then select pels under Units and Black and White for Colors Select OK Image Attributes Units Width Height in OK Cancel Default Black and White...

Page 143: ...lack and White Colors Colors cm pels 160 100 Note A sample file BACKSAMP BMP is available on the diskette d Draw an image or color the background then save the background as a 16 color bitmap file to...

Page 144: ...th the saved text on the backup of the Utility Diskette then click on OK or press Enter d Select Convert then select Save from the pull down menu e Select File then select Background from the pull dow...

Page 145: ...elect Update personalization data then follow the instructions on the screen Your data will be stored in the nonvolatile memory in the system You have completed creating your personalized password pro...

Page 146: ...vices under the keyboard and prevent the removal of your computer you can use the lock on the hard disk drive or you can purchase a Kensington lock or a compatible lock To protect PC Cards you can use...

Page 147: ...ase a Kensington lock or a compatible lock and attach it to the keyhole on the side of the computer then secure the chain on the lock to a stationary object This also prevents the keyboard from openin...

Page 148: ...hard disk drive is unlocked 1 Open the keyboard and insert the PC Card lock 1 as shown To lock the keyboard Page 130 2 Lock the keyboard Removing the PC Card Lock To remove the PC Card lock open the k...

Page 149: ...g the DAA Telephony Kit 155 Attaching an External Numeric Keypad or a Mouse 159 Using the Mouse and Other Pointing Devices 160 Using a Mouse on the IBM ThinkPad Space Saver Keyboard 161 Using the Thin...

Page 150: ...ures Diskette before using the PC Cards Type I and II PC Cards can be inserted into either the upper or lower slot or in both slots at the same time The Type III PC Card however must be inserted only...

Page 151: ...as shown Then press it firmly into the connector If you want to use another PC Card insert it into the other slot in the same way If you are using a Type III PC Card insert the card into the lower slo...

Page 152: ...Mode on page 60 To secure your PC Card with a lock see Using the PC Card Lock on page 132 Removing the PC Card Warning Make sure the PC Card lock is removed 1 Press the PC Card eject button 1 or 2 fo...

Page 153: ...d 16MB Because your computer comes with 8MB of memory the maximum memory capacity is 24MB if a 16MB IC DRAM card is installed DIMM You might want to install more memory to maximize the capability of y...

Page 154: ...sconnected from the computer The diskette drive is a very delicate device that needs careful handling Do not press on drop or apply any shock to the diskette drive while it is removed from the compute...

Page 155: ...sed to remove the card Warning Do not insert any PC Card into the connector for the IC DRAM card 7 Insert the IC DRAM card as shown Press the card firmly into the connector 8 Go to step 12 on page 142...

Page 156: ...he base plate 2 and pull the plate slightly toward the front then raise the rear portion of the base plate and remove it 1 2 2 1 10 Insert the DIMM adapter 1 into the connector by pressing on both edg...

Page 157: ...th the notched end of the DIMM toward the right side of the socket 2 insert the DIMM at an angle of approximately 35 degrees into the socket then press it firmly c Pivot the DIMM until it snaps into p...

Page 158: ...ll the diskette drive Press on the shaded area 1 as shown until the drive snaps into the connector 2 1 13 Close the keyboard and reconnect all cables You have completed the installation of the IC DRAM...

Page 159: ...ected from the computer The diskette drive is a very delicate device that needs careful handling Do not press on drop or apply any shock to the diskette drive while it is removed from the computer 3 M...

Page 160: ...Increasing Memory Capacity 6 Remove the IC DRAM card by pulling the adhesive strap 1 7 Go to step 12 on page 147 144 IBM ThinkPad 755CX User s Guide All manuals and user guides at all guides com...

Page 161: ...ge 8 Press the locks on both edges of the socket at the same time and remove the DIMM 9 While holding the strap 1 pull the DIMM adapter 2 toward the front and remove it 2 1 Chapter 6 Installing and Re...

Page 162: ...nd stored when you installed the DIMM adapter 10 Pinch the levers 1 on the left side of the base plate 2 and install it as shown 1 2 2 1 11 Push the base plate forward to click it into place 146 IBM T...

Page 163: ...e diskette drive Otherwise the drive head could get damaged 12 Reinstall the diskette drive Press on the shaded area 1 as shown until the drive snaps into the connector 2 1 13 Close the keyboard and r...

Page 164: ...he hard disk drive is a very delicate device that needs careful handling If it falls onto a hard surface severe damage can occur 2 Open the LCD then open the keyboard 3 Lift the hard disk drive handle...

Page 165: ...lose the keyboard 6 Connect the AC Adapter to the computer then turn on the computer You have completed the replacement of the hard disk drive To install your operating system and other necessary soft...

Page 166: ...rom the computer The diskette drive is a very delicate device that needs careful handling Do not press on drop or apply any shock to the diskette drive while it is removed from the computer 1 Turn off...

Page 167: ...ve Compartment 5 Push the option cover from the bottom of the computer and remove it 6 Insert a coin between the diskette drive bezel and computer Chapter 6 Installing and Removing Options 151 All man...

Page 168: ...option in the diskette drive compartment requires power start the ThinkPad Features program and set the parameter to send power to it OS 2 WIN If you are using OS 2 or Windows 1 Start the ThinkPad Fea...

Page 169: ...o the following 1 Insert the upper portion of the option cover into the computer then insert the lower portion The following figure shows the computer as seen from its front side 2 Push the upper port...

Page 170: ...ing Insert the lower portion of the diskette drive bezel into the computer then insert the upper portion Push the upper portion of the bezel down into the computer until it snaps into place The follow...

Page 171: ...fax functions without any changes However if a dummy connector plug is attached you need to install the DAA Telephony Kit into your computer to use the Mwave telephony functions To attach the DAA Tele...

Page 172: ...AA Telephony Kit 3 Slide the latch 1 to the left most position and release the dummy plug 4 Remove the dummy plug 2 from the computer 156 IBM ThinkPad 755CX User s Guide All manuals and user guides at...

Page 173: ...eptacle and firmly press it into the connector Warning Do not leave the lever in its middle position Otherwise you cannot close the keyboard 6 Slide the lever to its right most position until it click...

Page 174: ...he round receptacle of the DAA c Connect the connector 3 of the ferrite core end of the telephone cable to the square receptacle of the DAA d Connect the other end of the telephone cable to the teleph...

Page 175: ...III as a pointing device The PS 2 Mouse is plugged into the external input device connector of the computer and functions normally when the TrackPoint III is not actually moving the cursor Note You ca...

Page 176: ...int III OS 2 WIN With OS 2 or Windows do the following 1 Start the ThinkPad Features program 2 Select Setup 3 Select Keyboard Pointing Device 4 Find the TrackPoint then click on Disable to disable the...

Page 177: ...o install the device driver Using the ThinkPad Features Program OS 2 WIN With OS 2 or Windows do the following 1 Start the ThinkPad Features program 2 Select Setup 3 Select Keyboard Pointing Device 4...

Page 178: ...ears Type the SOURCE drive leter A Z When you install a program the SOURCE drive letter is the location you are installing FROM Source Drive Enter F1 Help F3 Exit Installation Options Installation Sou...

Page 179: ...Pad Features program so the computer does not enter suspend mode when the LCD is closed The external keyboard must be connected through the keyboard mouse connector It will not work if it is connected...

Page 180: ...Centronics interface can be attached to the 25 pin parallel connector at the rear of the computer 1 Turn off the computer and attach the printer as shown 2 3 1 2 Turn on the computer and the printer 1...

Page 181: ...mode to Both Do not attach the external display that supports only VGA mode 640 by 480 resolution to the computer Otherwise the screen of the external display is disordered and the output is not displ...

Page 182: ...mpt Type PS2 SC BOTH to display information on both the LCD and external display Type PS2 SC CRT to display information on the external display Type PS2 SC LCD to display information on the LCD OS 2 W...

Page 183: ...display type from the Monitor Selection list or click on the new resolution and VSYNC refresh rate from the list 5 Click on OK Next change Device Driver settings as follows For OS 2 Warp 1 Open the OS...

Page 184: ...n is available It is used to display a part of the high resolution screen image that is produced by the computer Other parts can be seen by moving the screen with the TrackPoint III or other pointing...

Page 185: ...n the computer resumes the LCD will remain blank and the output will not be displayed It does not depend on the resolution value To attach an external display to the computer do the following 1 Turn o...

Page 186: ...n then click on the System icon 3 Select the new resolution and the number of colors 4 Restart Warp to make the changes effective For OS 2 V 2 11 or Windows 1 Start the ThinkPad Features program 2 Sel...

Page 187: ...ding to your operating system For OS 2 V 2 11 For Windows Color Resolution 256 colors 640 by 480 800 by 600 1024 by 768 Color Resolution 256 colors or 64 gray scale 640 by 480 800 by 600 1024 by 768 3...

Page 188: ...II avoid any hardware conflicts Note When you dock the IBM Dock I or Dock II to the computer see Dock I User s Guide or Dock II User s Guide The following shows the computer attached to the Dock II Hi...

Page 189: ...or Later 177 Installing the ThinkPad Features Program 180 Installing for OS 2 180 Installing for DOS 181 Installing for Windows 182 Installing the PCMCIA Device Driver 183 Installing for OS 2 185 Ins...

Page 190: ...Pad Features program PCMCIA device driver ThinkPad display driver Mwave support software Infrared support software Important If you will be installing Windows Version 3 11 or later you must Install th...

Page 191: ...ll the ThinkPad Features for Windows Install the PCMCIA device driver Install the PCMCIA device driver Install the Mwave DSP Support Software Install the Infrared Support Software Install Infrared the...

Page 192: ...ge 180 Important When installing the operating system select the choices so that PCMCIA is supported PCMCIA will not be supported if you select Install Preselected Features DOS IBM DOS Version 7 0 or...

Page 193: ...the Windows Setup program asks you to select Express Setup or Custom Setup type C to select Custom Setup If you have installed OS 2 the path to install Windows might have been changed to C OS2 MDOS WI...

Page 194: ...drive then type A and press Enter d Select your desired resolution from the menu then press Enter nnn nnn is the resolution type of your display Note Verify that Display has changed to your desired re...

Page 195: ...driver that came with DOS a At the DOS prompt usually C type E AUTOEXEC BAT then press Enter b Find the line with the MOUSE statement If the line is as the following change it to C WINDOWS MOUSE COM Y...

Page 196: ...Double click on OS 2 Full Screen 2 Install the ThinkPad System Management device driver a Insert the Utility Diskette into the diskette drive b Open the OS 2 full screen command prompt c Type DDINSTAL...

Page 197: ...F1 Help F3 Exit Installation Options Installation Source Drive 3 Press Enter 4 Select Install DOS ThinkPad Features and Fuel Gauge Program from the Installation Options menu then follow the instructi...

Page 198: ...rogram New Open Move Copy Delete Properties Exit Alt Enter Enter F7 F8 Del File Run 3 Insert the Utility Diskette into the diskette drive 4 Type A INSTALLW then press Enter Follow the instructions on...

Page 199: ...t device drivers only when PC Card Director does not support the PC Card Use the following tables to determine the appropriate installation instructions for the different operating systems For IBM OS...

Page 200: ...RMU01 SYS Power Management Utility ICPMDOS SYS PC Card Director EZPLAY EXE EZPLAYW EXE EZPLAYW HLP AUTODRV SYS AUTODRV INI DISKDRV SYS IBMVCD 386 PC Card Client device drivers Varies among PC Cards Re...

Page 201: ...a blank part of your OS 2 Desktop 2 Press the right button of your TrackPoint III or mouse 3 Select Shut down 5 After the installation has been successfully completed close all applications remove th...

Page 202: ...ive 3 Press Enter 4 Select Install DOS PCMCIA Device Drivers from the Installation Options menu then follow the instructions on the screen Note If you are using a software EMS driver such as EMM386 EX...

Page 203: ...e Copy Delete Properties Exit Alt Enter Enter F7 F8 Del File Run 3 Insert the PCMCIA Features Diskette into the diskette drive 4 Type A PCMINSTW then press Enter 5 Follow the instructions on the scree...

Page 204: ...m For OS 2 see Installing for OS 2 V 2 11 on page 189 to install OS 2 device drivers including the WIN OS 2 device drivers For Windows if you did not install the display driver when installing Windows...

Page 205: ...DISKIMGS OS2 35 DISP1 DSK A X is the drive for the CD ROM drive 2 Insert another blank diskette into the diskette drive then type X DISKIMGS LOADDSKF X DISKIMGS OS2 35 DISP2 DSK A X is the drive for...

Page 206: ...directory on the screen Do not change it If OS 2 has not been preinstalled enter A When you are asked to select the display type select Primary Display then select Western Digital WD90C24 C24A on Thi...

Page 207: ...ws Setup menu then select Other Requires disk from the next menu 4 Insert the Video Features Diskette for Windows into the diskette drive then type A and press Enter Note If you are not sure which res...

Page 208: ...are If the Mwave DSP Features Diskettes were supplied with your computer install the Mwave support software as follows For OS 2 see Installing for OS 2 For DOS see Installing for DOS on page 194 For W...

Page 209: ...tallation is complete remove any diskette from the diskette drive then restart OS 2 to activate the Mwave support software You have completed the installation of the Mwave support software for OS 2 Wh...

Page 210: ...e support software appears Please specify the directory for the installation of Mwave products Destination Path OK Cancel c MWD 4 If this directory is acceptable press Enter Otherwise type the directo...

Page 211: ...The following screen which enables you to specify the directory location of Mwave support software appears Mwave Installation Please enter the desired location for the Mwave files OK Cancel c MWW 5 I...

Page 212: ...prompt 1 Select OS 2 System 2 Select Command Prompts then select DOS Full Screen 3 Go to the DOS command prompt 4 Insert the Infrared Features Diskette into the diskette drive 5 Type A UINSTALL then...

Page 213: ...SOURCE drive leter A Z When you install a program the SOURCE drive letter is the location you are installing FROM Source Drive Enter F1 Help F3 Exit Installation Options Installation Source Drive 4 P...

Page 214: ...Installing the Infrared Device Driver 198 IBM ThinkPad 755CX User s Guide All manuals and user guides at all guides com...

Page 215: ...tion or incorrect computer responses When testing non IBM products refer to the instructions supplied with those products Commonly Asked Problems and Actions 200 Testing the Computer 202 Troubleshooti...

Page 216: ...P The computer does not resume from suspend mode or the suspend indicator stays on and the computer does not work A The computer automatically enters suspend or hibernation mode when the battery pack...

Page 217: ...loses power too soon A Repeat the complete discharging and charging procedure two to three times See Preserving Battery Pack Life on page 103 for more information P The battery status indicator blinks...

Page 218: ...is installed in your computer Install it now Did one of these screens appear Yes Turn off the computer and continue with step 2 No Go to page 204 2 Press and hold F1 then turn on the computer to start...

Page 219: ...yond the first screen have the computer serviced If an error is detected the character X appears at the left of the affected device and an error code appears below it Record the error code and have th...

Page 220: ...brightness control on the computer is correctly adjusted The Display device parameter of the ThinkPad Features program is correctly specified If the preceding items are correct and the screen remains...

Page 221: ...he computer goes into suspend mode immediately after the POST The suspend mode indicator turns on Verify that The battery pack is charged The battery power status indicator is green or yellow Keyboard...

Page 222: ...ord was set To use the computer type the correct password and press Enter see page 110 If the power on password is not accepted a supervisor password might have been set Type the supervisor password a...

Page 223: ...er serviced Error prompt Turn off the computer and start Easy Setup then select Test to test the computer You can start the operating system by pressing F1 instead and ignore the error A screen or mes...

Page 224: ...er If the same screen message appears have the computer serviced I99xxxxx Have the computer serviced 111 If you are using a Port Replicator or an expansion unit disconnect it then reconnect it If ther...

Page 225: ...ctly installed 30x Turn off the computer and all attached devices Turn on the computer first then turn on the attached devices If the computer has an external keyboard connected verify that 1 The exte...

Page 226: ...pack to the computer then resume it If there is still a problem press the Power Shutdown switch on the rear of the computer with the tip of a pen to turn off the computer The application locks up or...

Page 227: ...ration time has been shortened by repeatedly charging it when it was not completely discharged Action 1 Check if the battery pack you are using has been charged for more than 2 hours by the power off...

Page 228: ...y power status indicator blinks green yellow orange and then green again No battery status information is going from the battery pack to the computer Check that the storage switch on the battery pack...

Page 229: ...re Windows to use the VGA display driver rather than a higher resolution or less efficient driver Determine if your game allows you to turn off background music and only play special effects The modem...

Page 230: ...the computer Verify that The infrared function is enabled and other choices are set correctly in the ThinkPad Setup menu of the ThinkPad Features program see page 35 The communicating device is using...

Page 231: ...ption that was just installed does not work Verify that The option is designed for the computer The option has been installed correctly by following the instructions supplied with the option Other ins...

Page 232: ...sword If the external keyboard is connected the numeric keypad on the system keyboard will not work If the external numeric keypad or the mouse is connected 1 Turn off the computer 2 Remove the extern...

Page 233: ...e page 41 All or some keys on the external numeric keypad do not work Verify that the external numeric keypad is correctly connected to the computer All or some keys on the external keyboard do not wo...

Page 234: ...the external display remains blank run the display tests described in the instructions supplied with the external display If the tests show the external display is OK have the computer serviced The s...

Page 235: ...ode 800 by 600 resolution by PS2 MODE3X command do the following 1 At the DOS Shell screen select Options from the menu bar then select Display 2 Select Graphics 30 lines Medium Resolution 1 then sele...

Page 236: ...omputer serviced Problem Action The computer has an intermittent problem An intermittent problem can be difficult to find Check that all cables and cords are securely connected to the rear of the comp...

Page 237: ...em Check or write the names of your options below IC DRAM Card 2MB 4MB 8MB or 16MB Option in the Diskette Drive Compartment DIMM 4MB 8MB or 16MB DIMM Adapter Internal Diskette Drive Battery Pack PC Ca...

Page 238: ...ne type and serial number 1 are located on the bottom of the computer The machine type has a prefix of Type The serial number has a prefix of S N 1 IBM Product Name ThinkPad 755CX SVGA model ThinkPad...

Page 239: ...service action is required and help the service representative provide quick and efficient service Important During the warranty period you may be responsible for repair costs if the product damage w...

Page 240: ...of mind 24 hours a day 7 days a week 365 days a year Helpware Magazine hints and tips for all With your free membership of HelpClub you will receive a free subscription to Helpware magazine We like to...

Page 241: ...8 55 20 39 Germany 0231 9748 405 Italy 1678 36019 Luxembourg 02 542 5360 Netherlands 020 513 4700 Norway 66 99 95 95 Spain 91 563 10 01 Sweden 020 55 55 55 Switzerland 155 46 46 United Kingdom 0628 89...

Page 242: ...Getting Service 226 IBM ThinkPad 755CX User s Guide All manuals and user guides at all guides com...

Page 243: ...d the ThinkPad Dock I or Dock II and select the available resource values OS 2 WIN If you are using OS 2 or Windows do the following 1 Start the ThinkPad Features program 2 Select ThinkPad Setup 3 Sel...

Page 244: ...None Parallel port 3 5 or disabled None 0278 027A None Infrared port 4 or 3 5 10 11 15 disabled None 01A0 01A7 or 01B0 01B7 01C0 01C7 01D0 01D7 02E8 02EF or 03F8 03FF 02F8 02FF 03E8 03EF 0 and 3 or di...

Page 245: ...f the computer Selectable in the ThinkPad Features program or PS2 command VL Bus master is used The IRQ for PC Card depends on the PC Card type Selectable in the Resource Map Utility program See Softw...

Page 246: ...Avoiding Hardware Conflicts 230 IBM ThinkPad 755CX User s Guide All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 247: ...n operating system install the PCMCIA device driver that is on the PCMCIA Features Diskette so you can use the Auto Configurator program When Auto Configurator is installed the following line is added...

Page 248: ...n enough tuple data If the Auto Configurator cannot recognize the modem card installed into the PC Card slot you must add the modem card identification indicated in the level 1 version product informa...

Page 249: ...window given as a hexadecimal segment address Memory window 1 must be within the range of the memory area reserved for Card Services The Card Services memory area is specified using the Resource Map...

Page 250: ...file after you have installed the PCMCIA software If you make any changes to your CONFIG SYS file keep in mind the following rules for PCMCIA software Rule 1 The Card Services driver PCMCIA SYS must...

Page 251: ...space of the PC Card refer to the manual that came with the PC Card You should allocate at least 34KB of memory to the DOS Card Services IBMDOSCS SYS The hardware interrupt level of the PC Card and t...

Page 252: ...or included in the memory range specified by the X parameter 5 Change this statement to DEVICE C DICRMU 1 SYS MA C8 CFFF IX 11 6 Save the changes in your CONFIG SYS file then restart the system Interr...

Page 253: ...C THINKPAD IBMDOSCS SYS DEVICE C THINKPAD DICRMU 1 SYS MA C3 CFFF modified DEVICE C THINKPAD ICPMDOS SYS DEVICE C DOS POWER EXE DEVICE C THINKPAD AUTODRV SYS C THINKPAD AUTODRV INI DEVICE C THINKPAD D...

Page 254: ...C8 CFFF Rule 1 DEVICE C THINKPAD IBMDSS 1 SYS D Rule 2 DEVICE C THINKPAD IBMDOSCS SYS Rule 2 DEVICE C THINKPAD DICRMU 1 SYS MA C8 CFFF Rule 2 DEVICE C THINKPAD ICPMDOS SYS Rule 2 DEVICE C THINKPAD AUT...

Page 255: ...S Card Services driver IBMDOSCS SYS Resource Map Utility DICRMU01 SYS and Power Management Utility ICPMDOS SYS must be listed in this order Rule 3 The Advanced Power Management driver POWER EXE must b...

Page 256: ...ommand prompt usually C This converts the PCMCIA DEVICE statements to comments The CONFIG SYS file will look like this DEVICE C DOS EMM386 EXE 1 24 frame D X C8 CFFF REM DEVICE C THINKPAD IBMDSS 1 SYS...

Page 257: ...INTLNK Load InterLnk Client MENUITEM CPSW Load Code Page Switching MENUITEM PCMCIA Load IBM PCMCIA drivers MENUCOLOR 7 1 MENUDEFAULT DLS 2 COMMON DEVICE C DOS HIMEM SYS DEVICE C DOS EMM386 EXE DLS DE...

Page 258: ...ws 1 Open your CONFIG SYS file using a text editor 2 Find DEVICE drive path DICRMU 1 SYS MA mmmm mmmm 3 Note the address range of the PCMCIA device drivers mmmm mmmm then close the CONFIG SYS file and...

Page 259: ...dia Extensions MME for audio for example Windows Sound Recorder and Windows Media Player that are shipped with Windows Version 3 11 In general recording audio music and speech at higher quality requir...

Page 260: ...djacent to the computer The angular displacement of the speakers to the listener s left and right is ordinarily not enough to produce a decent stereo effect But with QSound processing the listener can...

Page 261: ...at once both versions of a MIDI composition would play at the same time The Mwave Windows synthesizer usually sounds best when the Mwave EXT GM setup is selected in the MIDI Mapper If you have a MIDI...

Page 262: ...the pitch of a note and is usually controlled by a thumb wheel on a MIDI keyboard Vibrato depth can be varied 2 semitones It is received on control number 1 Sustain Each note of an instrument has an...

Page 263: ...e facsimile machine unless such message clearly contains in a margin at the top or bottom of each transmitted page or on the first page of the transmission the date and time it is sent and an identifi...

Page 264: ...Additional Information for Telephony Function 248 IBM ThinkPad 755CX User s Guide All manuals and user guides at all guides com...

Page 265: ...disk drive 3 5 inch removable diskette drive Display TFT color LCD supporting up to 65536 colors 10 4 inches when measured diagonally SVGA 800 by 600 resolution on the LCD of the 755CX SVGA model or V...

Page 266: ...icrophone line in jack supports a dynamic microphone or a self battery powered condenser microphone Fax modem port in some countries available as an option Infrared ports System bus 240 pin 16 bit AT...

Page 267: ...to 43 C 41 to 109 F Relative Humidity Operating1 8 to 95 Operating2 8 to 80 Maximum altitude 3048 m 10000 ft 3 Maximum temperature at 3048 m 10000 ft 31 3 C 88 F Heat output Approximately 136 5 Briti...

Page 268: ...el blade grounding type attachment plug rated 15 amperes 125 volts For units intended to be operated at 230 volts in the U S Use a UL listed and CSA certified cord set consisting of a minimum 18 AWG T...

Page 269: ...of America Venezuela 25H2219 Thailand 25H2209 Austria Belgium Bulgaria Czech Republic Egypt Finland France Germany Greece Hungary Iceland Indonesia Netherlands Norway Poland Portugal Romania Slovakia...

Page 270: ...titute X3 137 ISO International Standards Organization 8860 ECMA European Computer Manufacturers Association 100 2MB 3 5 inch unformatted diskette ANSI X3 171 ISO 9529 ECMA 125 Note In some country 4M...

Page 271: ...service designated for the Machine and will manage and install engineering changes that apply to the Machine IBM or your reseller will specify the type of service For a feature conversion or upgrade I...

Page 272: ...BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE HOWEVER SOME LAWS DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES IF THESE LAWS APPLY THEN ALL EXPRE...

Page 273: ...es This warranty gives you specific legal rights and you may also have other rights which vary from jurisdiction to jurisdiction Appendix E Product Warranties and Notices 257 All manuals and user guid...

Page 274: ...for the Machine and will manage and install engineering changes that apply to the Machine IBM or your reseller will specify the type of service For a feature conversion or upgrade IBM or your reselle...

Page 275: ...NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE HOWEVER SOME LAWS DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES IF THESE LAWS APPLY THEN ALL EXPRESS AN...

Page 276: ...warranty gives you specific legal rights and you may also have other rights which vary from jurisdiction to jurisdiction 260 IBM ThinkPad 755CX User s Guide All manuals and user guides at all guides...

Page 277: ...Corporation 500 Columbus Avenue Thornwood NY 10594 U S A Trademarks The following terms used in this publication are trademarks of the IBM Corporation in the United States or other countries or both...

Page 278: ...y Services Inc QSound QSound Inc Sharp Sharp Corporation Sound Blaster Creative Labs Inc UL Underwriters Laboratory Western Digital Western Digital Corporation Windows Microsoft Corporation Wizard Sha...

Page 279: ...difications could void the user s authority to operate the equipment This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause...

Page 280: ...eller or the IBM Corporation for information 8 The modem may not be used on coin service provided by the telephone company Connection to party lines is subject to state tariffs Contact your state publ...

Page 281: ...four seconds duration each should be inserted between the initial PSTN access digit and the number to be dialled This is to avoid interference to the BT network 6 If a modem is to be used with a PBX...

Page 282: ...CX is approved separately and has its own independent approval number This modem supplied by IBM does not contain excessive voltages An excessive voltage is one which exceeds 42 4 v peak ac or 60 v dc...

Page 283: ...on application programs must be designed with the following considerations Auto Calling 1 Network addresses When using the auto calling to initiate outgoing calls to the PSTN the user must ensure all...

Page 284: ...tempt 1 minute 2 minutes 10 minutes 5th repeat attempt End of sequence See note 1 2 minutes 10 minutes 6th repeat attempt 2 minutes 10 minutes 7th repeat attempt End of sequence See note 1 10 minutes...

Page 285: ...In multimedia applications a form of graphics in an area of computer memory or storage that can be displayed as an image boot To prepare a computer system for operation by loading an operating system...

Page 286: ...puter is automatically turned off to save power When power is turned on again the computer immediately restores the same data and applications as when hibernation started without restarting the operat...

Page 287: ...or line at or near the top of the screen reboot Restart all operations of the computer as if the power were just turned on resume To begin computer operations again from suspend mode ROM Read only mem...

Page 288: ...272 IBM ThinkPad 755CX User s Guide All manuals and user guides at all guides com...

Page 289: ...ttery pack life 103 problems 211 replacing 95 battery pack continued storage switch 21 battery power status indicator 16 96 bidirectional parallel 43 boot diskette 79 boot selectable 47 brightness con...

Page 290: ...taching 172 speaker volume control using Fn key 49 external devices Dock I or II 172 external devices continued external display 165 external keyboard 163 external numeric keypad 159 external unit 172...

Page 291: ...134 intermittent problems 220 internal devices in diskette drive compartment 150 securing 130 interrupt level IRQ 227 IR infrared communication 72 IRQ 227 K Kensington lock keyhole 5 13 using 131 keyb...

Page 292: ...online book 29 operating systems installing DOS 176 OS 2 176 Windows 177 option cover option cover continued installing 153 location and function 15 removing 150 options DIMM 137 installing 138 remov...

Page 293: ...e 238 using 61 PC Card Director PC Card Director continued installing for DOS 186 installing for OS 2 185 installing for Windows 187 using 62 PCMCIA card See PC Card PCMCIA device driver installing fo...

Page 294: ...vices getting service 223 HelpClub 224 identification numbers 222 resource map utility 229 restart menu Easy Setup 46 resume function 50 RPL remote program load 47 S safe suspend 54 screen messages da...

Page 295: ...machine specifications 249 system expansion connector 5 location and function 15 system status indicators 16 battery charging status 16 battery power status 16 caps lock 17 diskette drive in use 16 ha...

Page 296: ...l screen 38 volume control location and function 13 W warranties and notices product 255 weight machine specifications 251 Windows Version 3 11 or later installing 177 280 IBM ThinkPad 755CX User s Gu...

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