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Troubleshooting Your Computer

3-27

Troubleshooting the Infrared Port 

This section provides a procedure for troubleshooting the 
computer’s infrared port. Make a copy of the Diagnostics 
Checklist found in Chapter 5, and fill it out as you com-
plete the following procedure.

NOTE: Before beginning this procedure, check the infra-
red settings in Windows 95. Select the Start button, and 
point to Settings and then to Control Panel. Double-click 
the Infrared icon.

1.

Check the setting for the Infrared Data Port 
option in the System Setup program. Is the setting 
correct?

For information on the System Setup program, see 
Chapter 2, “Customizing System Features.” Is the 
Infrared Data Port option set correctly for the exter-
nal device with which you are communicating? You 
may need to check the documentation that accompa-
nied the device to determine the proper setting.

Yes. Go to step 3.

No. Go to step 2.

2.

Change the Infrared Data Port option to the 
appropriate setting, and then reboot the system.

Is the problem resolved?

Yes. The problem is resolved.

No. Go to step 3.

3.

Insert the Dell Diagnostics Diskette into drive A, 
reboot the computer, and run the Serial/Infrared 
Ports test group in the Dell Diagnostics. (See Chap-
ter 4, “Running the Dell Diagnostics.”) Do the tests 
complete successfully?

The Serial/Infrared Ports test group checks the basic 
functions of the computer’s infrared logic.

Yes. The infrared ports are functioning properly. 
There may be a problem with the infrared applica-
tion program or with the external device. Check the 
documentation that came with the application pro-
gram and the external device.

No. Call Dell for technical assistance. (See Chapter 5, 
“Getting Help,” for instructions.)

Содержание Latitude CP

Страница 1: ... ZZZ GHOO FRP HOO DWLWXGH 3 5 5 1 1 7528 6 227 1 8 ...

Страница 2: ... registered service mark of Dell Computer Corporation Microsoft MS DOS Windows and Windows NT are registered trademarks of Microsoft Corporation Intel and Pentium are registered trademarks and MMX is a trademark of Intel Corporation CompuServe is a registered trademark of CompuServe Inc Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks...

Страница 3: ...y objects on them Store these drives in a safe place Do not push objects into the air intake and fan open ings of your computer Doing so can cause fire or electric shock by shorting out interior components Protect the air intake from dust and other foreign particles When you move your computer between environ ments with very different temperature and or humidity ranges condensation may form on or ...

Страница 4: ...ter set the monitor at a comfortable viewing distance usually 510 to 610 millimeters mm 20 to 24 inches from your eyes Make sure the monitor screen is at eye level or slightly lower when you are sitting in front of the monitor Use a chair that provides good lower back support Keep your forearms horizontal with your wrists in a neutral comfortable position while using the key board trackball or ext...

Страница 5: ... may have accumulated In addition to the preceding precautions you can also take the following steps to prevent damage from electro static discharge ESD When unpacking a static sensitive component from its shipping carton do not remove the component from the antistatic packing material until you are ready to install the component Just before unwrapping the antistatic packaging be sure to discharge...

Страница 6: ...viii ...

Страница 7: ...s hardware and use the Dell Diagnostics to isolate component problems Chapter 5 Getting Help describes the help tools Dell provides to assist you if you have a problem with the computer It also explains how and when to call Dell for technical assistance Appendix A Technical Specifications is intended primarily as reference material if you are interested in learning more about the details of your c...

Страница 8: ...options you purchase separately from your computer This docu mentation includes information that you need to configure and install these options in your Dell computer Readme files may be installed on your hard disk drive to provide last minute updates about technical changes to your computer or advanced technical reference material intended for experienced users or technicians Notational Conventio...

Страница 9: ...ist of a command and may include one or more of the command s possible parameters Command lines are presented in the Courier New font Example del c myfile doc Screen text is text that appears on the screen of your display or external monitor It can be a system mes sage for example or it can be text that you are instructed to type as part of a command referred to as a command line Screen text is pr...

Страница 10: ...xii ...

Страница 11: ...ormation ix Other Documents You May Need x Notational Conventions x Warnings Cautions and Notes x Typographical Conventions x Chapter 1 Introduction 1 1 Hardware Features 1 2 Available Options 1 4 Accessing Online Documentation 1 4 Getting Help 1 4 Chapter 2 Using the System Setup Program 2 1 Entering the System Setup Program 2 1 Using the System Setup Program 2 1 System Setup Options 2 5 AC 2 5 A...

Страница 12: ...Docking Status 2 8 External Cache 2 8 External Hot Key 2 8 Infrared Data Port 2 8 Infrared Mode 2 8 IntelliSpin 2 9 Internal Hard Drive 2 9 Keyboard Click 2 9 Modular Bay 2 9 Microprocessor 2 9 Parallel Mode 2 9 Pointing Device 2 10 Power Management 2 10 Primary Password 2 10 Ring Event Resume 2 10 S2D Time Out 2 10 Serial Port 2 11 Service Tag 2 11 Smart CPU Mode 2 11 Suspend Time Out 2 12 System...

Страница 13: ...p 3 15 Troubleshooting Procedures 3 16 Troubleshooting a Wet Computer 3 17 Troubleshooting a Damaged Computer 3 18 Troubleshooting a Power Failure 3 18 Total Power Failure When Using the AC Adapter 3 19 Total Power Failure When Using a Battery 3 19 No Power to a Part of the Computer 3 20 Troubleshooting the Diskette Drive 3 21 Troubleshooting the CD ROM Drive 3 21 Troubleshooting the Hard Disk Dri...

Страница 14: ...est 4 5 Select Under Subtest 4 6 Options Under Subtest 4 6 Test Limits Under Subtest 4 6 About Under Subtest 4 6 Key Help Under Subtest 4 6 Quit Menu Under Subtest 4 6 Options 4 6 Number of Times to Repeat Test s 4 7 Maximum Errors Allowed 4 7 Pause for User Response 4 7 Output Device for Status Messages 4 8 Output Device for Error Messages 4 8 Test Limits 4 8 About 4 9 Key Help 4 9 Quit 4 9 Tests...

Страница 15: ...btests 4 18 IDE CD ROM Drives Test Group 4 18 Why Run an IDE CD ROM Drives Test 4 18 Subtests 4 18 Serial Infrared Ports Test Group 4 18 Why Run a Serial Infrared Ports Test 4 19 Subtests 4 19 Parallel Ports Test Group 4 19 Why Run a Parallel Ports Test 4 19 Subtests 4 20 SCSI Devices Test Group 4 20 Why Run a SCSI Devices Test 4 20 Subtests 4 20 Network Interface Test Group 4 21 Why Run a Network...

Страница 16: ...t Numbers 5 7 Appendix A Technical Specifications A 1 Appendix B Diagnostic Video Tests B 1 Video Memory Test B 1 Video Hardware Test B 1 Text Mode Character Test B 1 Character Attributes Subtest 80 x 25 B 2 Character Set Subtest 80 x 25 B 2 Character Attributes Subtest 40 x 25 B 2 Character Set Subtest 40 x 25 B 2 Text Mode Color Test B 2 Color Attributes Subtest 80 x 25 B 2 Color Attributes Subt...

Страница 17: ...B Notice U S Only C 1 Modem Requirements C 2 Type of Service C 2 Telephone Company Procedures C 2 If Problems Arise C 2 Installation and Labeling C 2 Load Number C 2 IC Notice Canada Only C 2 Canadian Modem Requirements C 3 EN 55022 Compliance Czech Republic Only C 3 CE Notice C 3 VCCI Notices Japan Only C 4 Class A ITE C 4 Class B ITE C 4 Korean Regulatory Notice C 4 Class A Device C 4 Class B De...

Страница 18: ...xx Limited Three Year Warranty U S and Canada Only D 1 Coverage During Year One D 1 Coverage During Years Two and Three D 1 General D 2 Total Satisfaction Return Policy U S and Canada Only D 2 Index 1 ...

Страница 19: ...e B 1 80 Column x 25 Line Character Set Subtest Screen B 2 Figure B 2 40 Column x 25 Line Character Set Subtest Screen B 2 Figure B 3 640 x 480 2 Color Graphics Mode Screen B 4 Tables Table 2 1 System Setup Navigation Keys 2 2 Table 3 1 Boot Routine Indications 3 3 Table 3 2 System Error Messages 3 4 Table 3 3 Flash Codes 3 11 Table 3 4 IRQ Line Assignments 3 14 Table 3 5 Conventional Memory Map 3...

Страница 20: ...xxii ...

Страница 21: ...ith MMX and Peripheral Component Interconnect PCI technologies This chapter describes the major hardware and software features of your computer Figure 1 1 Front View of the Computer display power button battery bay status indicator panel display latch AC adapter connector keyboard touch pad audio jacks 3 speaker modular bay microphone touch pad buttons air intake ...

Страница 22: ...and music functions and SRS 3 D audio control Three audio jacks for connecting external speakers or headphones a microphone and a record playback device to your computer Built in microphone and two stereo speakers A modular bay that supports a CD ROM drive diskette drive or second battery To make the com puter as light as possible when you travel use the special travel module in the modular bay NO...

Страница 23: ... batteries with other computers and do not use batteries from other computers with the Dell Lati tude CP High performance parallel and serial ports and a multipurpose Personal System 2 PS 2 connector for attaching external devices There is also a moni tor connector for attaching an external monitor to your computer and a USB connector that supports standalone and hub devices An infrared port that ...

Страница 24: ...omputer from a special outlet on an airplane or from the cigarette lighter in a car Instructions for connecting or installing these options are contained in the online System User s Guide or are included in the upgrade kit you receive from Dell Accessing Online Documentation The online System User s Guide installed on your hard disk drive contains information about the following topics System feat...

Страница 25: ...lder See the topic titled Dell Control Center in the online System User s Guide for more information The Dell Control Center also contains detailed help that gives you all the information you need to set options Entering the System Setup Program Enter and use the System Setup program as follows If you are using Windows 95 press Fn F1 at any time on the built in keyboard or Scroll Lock F1 on an ext...

Страница 26: ...splays help information for the option with a cur rently highlighted field Computer data The box in the lower right corner of screens 1 2 and 4 displays information about your computer Key functions The line of boxes across the bottom of all screens lists keys and their functions within the System Setup program Production Note Table 2 1 lists the keys you use to view or change infor mation on the ...

Страница 27: ...by allowing you to map the address of the serial port or to disable the port A change to this category takes effect when you reboot Pentium 166 MMX 16 MB 2 MB 256 KB XXXXX XXXXX Microprocessor System Memory Video Memory External Cache Service Tag Asset Tag 2167 MB Modular Bay Not Installed Any Time Diskette Drive Undocked Enabled 166 MHz Diskette First Internal Hard Drive Diskette Drive A Diskette...

Страница 28: ...ll Computer Corporation www dell com Page 3 of 4 Dell Latitude CP Setup Esc exit BIOS Version AXXXXX Alt P page Additional batteries and other accessories are available from www dell com Left Battery 100 90 80 70 60 50 40 30 20 10 Battery Status Idle Battery Status Not Installed Right Battery Battery Not Installed 100 90 80 70 60 50 40 30 20 10 100 Charged Dell Computer Corporation www dell com Pa...

Страница 29: ...er detects an alarm Disabled Keeps the computer in suspend mode even if the computer detects an alarm A change to the Alarm Resume option takes effect imme diately rebooting is not required Asset Tag The Asset Tag option displays the asset tag code if you or your organization assigned one to your computer See the topic titled Asset Tag Utility in the online Sys tem User s Guide for information on ...

Страница 30: ... you turn on the computer it bootstraps itself into an operational state by loading into memory a small program which in turn loads the necessary operat ing system Boot Sequence tells the computer where to find the files that it needs to load Settings for this option are Diskette First the default Causes your computer to attempt first to boot from a bootable diskette If the computer detects no dis...

Страница 31: ...out setting may save battery power and time by minimizing the number of times the hard disk drive must power up NOTE Set Disk Time Out to Disabled if using it causes compatibility problems with your software A change to the Disk Time Out option takes effect imme diately rebooting is not required If you are not in the System Setup program you can turn off the hard disk drive immediately by pressing...

Страница 32: ...has There are no user selectable settings for the External Cache option External Hot Key External Hot Key lets you use the Scroll Lock key on an external keyboard the same way you use the Fn key on the computer s built in keyboard Set this option to Scroll Lock the default if you are using an external key board Set this option to Not Installed to disable this function on the external keyboard Infr...

Страница 33: ...e Battery or CD ROM Drive that is installed in the modular bay If there is no device in the modular bay or if a travel bay is installed this option reads Not Installed There are no user selectable settings for this option Microprocessor Microprocessor displays the type and speed of the micro processor installed on your computer s system board There are no user selectable settings for this option P...

Страница 34: ...u boot the computer Ring Event Resume Ring Event Resume lets you determine if the computer exits suspend mode when an installed modem card receives an incoming call This feature must be supported by your modem PC Card and your operating system and must be enabled in the modem device driver Settings for this option are Enabled the default Resumes normal operation when the computer detects a modem r...

Страница 35: ... mated support telephone system direct your call more efficiently Smart CPU Mode Smart CPU Mode allows the computer to slow down the microprocessor automatically if it is not being actively used Settings for this option are Enabled Allows the computer to slow down the microprocessor when it is inactive Disabled Keeps the microprocessor running at its normal operating speed regardless of microproce...

Страница 36: ...alled in your computer There are no user selectable settings for this option The amount of memory displayed changes if you install or remove a memory module Time Time resets the time on the computer s internal clock Time is kept in a 24 hour format hours minutes seconds NOTE If a network server controls the time reflected by the Time option changing this option has no effect A change to the Time o...

Страница 37: ...lve some basic computer problems 1 Is your computer wet or damaged Yes Go to Troubleshooting a Wet Computer or Troubleshooting a Damaged Computer found later in this chapter No Continue to step 2 2 Perform the steps in the next subsection Check ing Connections Is the problem resolved Yes A connection to your computer was loose You have fixed the problem No Continue to step 3 3 Perform the steps in...

Страница 38: ...onnector has two small screws make sure the screws are tight In addition check for damaged or frayed cables Be sure the following items are properly connected or installed The AC adapter and power cable Figure 3 1 AC Adapter and Power Cable The battery Figure 3 2 Removing the Battery All cables to external devices Figure 3 3 External Cables AC adapter AC power cable to AC power source AC adapter c...

Страница 39: ...nning the Dell Diagnostics The drive access indicator The drive access indicator should flicker when you access data on the diskette drive hard disk drive or CD ROM drive If the power indicator drive access indicator and battery indi cator flash simultaneously see System Flash Codes found later in this chapter A series of flashing lights See Messages and Codes found later in this chapter An unfami...

Страница 40: ...eared and or the operating system documentation for an explanation of the message and a recommended action Table 3 2 System Error Messages Message Cause Action Auxiliary device failure The integrated touch pad or external PS 2 mouse may be faulty If you are using an external mouse only check the connection for a loose or improperly connected cable See Checking Connections found earlier in this cha...

Страница 41: ...bay The operation requires a diskette in the drive or a hard disk drive in the bay before it can continue Put a diskette in the drive or push the diskette all the way into the drive until the eject button pops out Or install a hard disk drive in the drive bay Error reading PCMCIA card The computer cannot identify the PC Card Reseat the card or try another PC Card that you know works If the problem...

Страница 42: ...er again reinstall the drive and reboot the computer If the problem persists try another drive Then run the Hard Disk Drive test group in the Dell Diagnostics For instructions see Chapter 4 Running the Dell Diagnostics Hard disk drive read failure The hard disk drive may be faulty See Troubleshooting the Hard Disk Drive found later in this chapter Invalid configura tion information please run Syst...

Страница 43: ...his chapter Memory allocation error The software you are attempting to run is conflicting with the operating system another appli cation program or a utility Turn off the computer wait 30 seconds and then restart it Try to run the program again If the problem persists contact the software company Memory data line failure at address read value expecting value An installed memory module may be fault...

Страница 44: ... If you are trying to boot from the hard disk drive see Troubleshooting the Hard Disk Drive found later in this chapter Not a boot diskette There is no operating system on the diskette Boot the computer with a diskette that contains an operating system Optional ROM bad checksum The optional ROM apparently failed Call Dell for technical assistance For instruc tions see Chapter 5 Getting Help Sector...

Страница 45: ...stopped The reserve battery that sup ports the data stored in NVRAM may be dead Connect your computer to AC power to charge the battery If the problem persists call Dell for technical assistance For instructions see Chap ter 5 Getting Help Time of day not set please run the System Setup program The time or date stored in the System Setup program does not match the system clock Correct the settings...

Страница 46: ...nostics Checklist found in Chapter 5 and then look it up in Table 3 3 If you are unable to resolve the problem by looking up the meaning of the flash code use the Dell Diagnostics to identify a more serious cause See Chapter 4 Running the Dell Diagnostics If you are still unable to resolve the problem call Dell for technical assis tance See Chapter 5 Getting Help for instructions Table 3 3 lists t...

Страница 47: ... Getting Help 1 3 1 through 2 4 4 An installed mem ory module is not being properly iden tified or used Make sure a memory module is installed in one of the memory module sockets on the system board The computer will not function unless there is at least one installed memory module If there is a memory module installed see Trouble shooting Memory found later in this chapter 3 1 1 Slave DMA registe...

Страница 48: ...ostics 3 4 2 Display retrace test failure Run the Video test group in the Dell Diagnostics For instructions see Chapter 4 Running the Dell Diagnostics 4 2 1 No timer tick Call Dell for technical assistance For instructions see Chapter 5 Getting Help 4 2 2 Shutdown failure Call Dell for technical assistance For instructions see Chapter 5 Getting Help 4 2 3 Gate A20 failure Call Dell for technical a...

Страница 49: ...ing system parameters starting memory resident programs and loading device driver software If you experience program conflicts or memory error messages check the commands for memory resident programs in the initialization or startup files of your operating system If a program or peripheral does not work correctly check the documentation that came with the product to see if you need to modify these...

Страница 50: ...The default address of your computer s serial port is COM1 To view IRQ line assignments in the Windows 95 operat ing system select the Start button and point to Settings and then to Control Panel Double click the System icon Select the Device Manager tab and then double click Computer Table 3 4 IRQ Line Assignments IRQ Line Reserved Available IRQ0 Reserved generated by the system timer IRQ1 Reserv...

Страница 51: ...mory address reserved by the system change the address of the device NOTE To view I O addresses in Windows 95 select the Start button and point to Settings and then to Control Panel Double click the System icon Select the Device Manager tab and then double click Computer IRQ14 Reserved generated by the hard disk drive to indicate that the drive requires the attention of the microprocessor IRQ15 Re...

Страница 52: ...able 3 7 I O Memory Map Address Device 0000 001F DMA controller 1 0020 003F Interrupt controller 1 0040 005F System timers 0060 006F Keyboard controller 0070 007F RTC and NMI enable 0080 009F DMA page registers 00A0 00BF Interrupt controller 2 00C0 00DF DMA controller 2 00F0 00FF Math coprocessor 0170 0177 CD ROM controller 01F0 01F7 Hard disk drive controller 0210 0217 Audio controller 0220 022F ...

Страница 53: ...urself again by touching the unpainted metal surface of the I O panel 8 Reinstall the memory modules into their sockets on the system board Then replace the options cover on the bottom of the computer To reinstall a memory module align the memory module s edge connector with the slot in the center of the memory module socket Press the memory module s edge connector firmly into the socket Pivot the...

Страница 54: ...peripherals to AC power and turn them on 8 Run the Dell Diagnostics to verify that the computer is operating properly See Chapter 4 Running the Dell Diagnostics for instructions 9 If the computer does not operate properly make a copy of the Diagnostics Checklist found in Chapter 5 and fill it out Then call Dell for techni cal assistance For instructions see Chapter 5 Getting Help Troubleshooting a...

Страница 55: ...7 Connect the AC adapter to a different AC power source and turn on the computer Does the green power indicator light up Allow one minute for the computer to initialize its components before checking for signs of power Yes The problem is resolved No Continue to step 8 8 Call Dell for technical assistance See Chapter 5 Getting Help for instructions Total Power Failure When Using a Battery If an AC ...

Страница 56: ...onnected to the computer and to AC power or confirm that a fully charged battery is properly seated in its compartment 3 Turn on the computer Is the display on Allow one minute for the computer to initialize its components before checking for signs of power Yes The entire computer is receiving power the problem is resolved No Adjust the brightness of the display If the dis play still does not show...

Страница 57: ...ng Help for instructions Troubleshooting the CD ROM Drive During POST the computer checks the CD ROM drive comparing its characteristics with the system configura tion information The drive access indicator blinks as the computer performs this check NOTE Check the config sys and autoexec bat files before using the following procedure If necessary add the following statement to the config sys file ...

Страница 58: ...nk during the boot routine and does the drive boot the operating system Yes If a message appears on the display see Table 3 2 for an explanation of the message and pos sible corrective actions Then go to step 6 No Continue to step 2 2 Insert your operating system diskette into drive A and reboot the computer 3 Check drive C in the Windows 95 Explorer Are the root directory contents for drive C dis...

Страница 59: ...e built in keyboard Allow one minute for the computer to initialize its components Then use the computer s built in keyboard to type some characters Do the characters appear on the display Yes The external keyboard may be defective Run the Keyboard test group in the Dell Diagnostics See Chapter 4 Running the Dell Diagnostics for instructions If you cannot isolate the problem after running the diag...

Страница 60: ...d in Chap ter 5 and fill it out as you complete the following procedure NOTES The highest video resolution supported by the built in display on the Dell Latitude CP M133ST M166ST and M233ST is 800 x 600 pixels The highest resolution supported by the built in display on the Dell Latitude CP M233XT is 1024 x 768 pixels If your application program requires a higher resolution attach an external monit...

Страница 61: ...n Chapter 5 and fill it out as you complete the following procedure 1 Make sure the external monitor s video cable is firmly connected to the computer s monitor con nector and verify that the monitor s power cable if it has one is firmly plugged into an AC power source Make sure the monitor is turned on 2 Reboot the computer and then adjust the monitor s brightness controls Is the monitor readable...

Страница 62: ...to step 3 No Continue to step 2 2 Change the Serial Port and Parallel Mode options to the appropriate settings then reboot the system Is the problem resolved Yes You have fixed the problem No Continue to step 3 3 Check the contents of the initialization and start up files See Installing and Configuring Software found earlier in this chapter Are the port configuration commands correct Yes Go to ste...

Страница 63: ... communicating You may need to check the documentation that accompa nied the device to determine the proper setting Yes Go to step 3 No Go to step 2 2 Change the Infrared Data Port option to the appropriate setting and then reboot the system Is the problem resolved Yes The problem is resolved No Go to step 3 3 Insert the Dell Diagnostics Diskette into drive A reboot the computer and run the Serial...

Страница 64: ...3 28 Dell Latitude CP Reference and Troubleshooting Guide ...

Страница 65: ... also control the sequence in which the tests are run The diagnostic test groups or subtests also have these helpful features Options that let you run tests individually or collectively An option that allows you to choose the number of times a test group or subtest is repeated The ability to display test results print them or save them in a file Options to suspend testing when an adjustable error ...

Страница 66: ...nstall a CD ROM drive in the modular bay For instructions see the topic titled CD ROM Drive in the online System User s Guide 2 Attach the diskette drive to the parallel port con nector on the back of the computer For instructions see the topic titled Diskette Drive in the online System User s Guide 3 Turn off the computer 4 Place the Dell Diagnostics Diskette in the diskette drive and boot the co...

Страница 67: ...c test groups in the order they will be run if you select Run and then All Press the up or down arrow key to highlight a test group On the right side of the screen the System Configu ration area lists the computer s current hardware settings On the lower right side of the screen the IDE Drive Information area displays information about your hard disk drive The menu area is at the bottom of the scr...

Страница 68: ...ter Instead the printer is listed as a parallel port The computer recognizes the parallel port as LPT1 which is an address that tells the computer where to send outgoing information and where to look for incoming information Because your printer is a parallel communications device the computer recognizes the printer by its LPT1 address and identifies it as a parallel port RAM System Set Video Keyb...

Страница 69: ...oup using the Select or Subtest option respectively as described in the following subsections If you select All all of the subtests in all of the test groups are run The test groups or subtests are run in the same order as they are listed The Key help option displays a list of key controls available for the selected option The Quit Menu option returns you to the Main menu Select Select allows you ...

Страница 70: ...in the same manner as the Options option in the Main menu For information on that option see Options found later in this section Test Limits Under Subtest The Test Limits option in the Subtest menu functions in the same manner as the Test Limits option in the Main menu For information on that option see Test Limits found later in this section About Under Subtest The About option in the Subtest men...

Страница 71: ...ion Set this parameter to No when you want to bypass subtests that require user interaction such as when you run the diagnostics overnight Table 4 1 Option Parameters Option Limit Possible Values Number of Times to Repeat Test s 0001 through 9999 or 0000 which loops indefinitely until you press the Ctrl and Break keys The default is 1 Maximum Errors Allowed 0000 through 9999 where 0000 means that ...

Страница 72: ...pear on the display After running particular diagnostic tests and viewing the status messages generated by the tests in the result file you can delete the contents of the file so that it is empty for the next set of messages generated Otherwise the next mes sages are added to the end of the previous ones in the file Output Device for Error Messages Ordinarily all error messages appear only on the ...

Страница 73: ...ategory Press Esc to return to the main Test Limits menu The values you selected under Test Limits remain in effect until you change them or exit the diagnos tics The values are reset to their defaults when you restart the diagnostics About About in the Main menu displays information about the highlighted test group such as limits and parameters and how to set them Key Help Key Help displays a lis...

Страница 74: ...the system board Tests the computer s USB connector Video Video Memory Test Video Hardware Test Text Mode Character Test Text Mode Color Test Text Mode Pages Test Graphics Mode Test Color Palettes Test Solid Colors Test Tests the display by checking various aspects of video output Keyboard Keyboard Controller Test Keyboard Key Sequence Test Keyboard Interactive Test Stuck Key Test Tests the keyboa...

Страница 75: ...Test Parallel External Loopback Test Parallel External Interrupt Test Parallel Printer Pattern Test Tests the components through which peripherals that use the parallel port such as printers send and receive data SCSI Devices Internal Diagnostic Test Seek Test Read Test Write Test Audio Output Test Eject Removable Media Test Display Information Test Tests the SCSI controller in the C Port Advanced...

Страница 76: ...ble 4 3 can be added to the end of the ramtest command line The switches can be used in any order but they must be separated by a space For example to run the RAM comprehensive subtest 10 times without pausing stopping at a maximum of 20 errors and outputting the results to a file named ramtst rpt type the following command line at the MS DOS prompt and press Enter ramtest r10 np m20 oframtst rpt ...

Страница 77: ...rify that the dynamic RAM DRAM is being recharged properly System Set Test Group The subtests in the System Set test group check the com puter s basic system board components and verify their related functions Why Run a System Set Test The System Set subtests double check many system board components such as the computer s I O circuitry that are tested by other test groups or subtests in the diagn...

Страница 78: ...device A spreadsheet program or other type of mathemati cal application runs abnormally slow generates error messages concerning calculations or operations runs incorrectly or generates incorrect results or a proven piece of the program appears to malfunction and you confirm that the software itself is not at fault You can confirm that the software is not at fault by moving the program to another ...

Страница 79: ...ode Character Test Text Mode Pages Test and Graphics Mode Test If the color on the display or external monitor is intermittent or not displayed at all run the Text Mode Color Test Color Palettes Test and Solid Colors Test If your display or external monitor malfunctions in one mode but works fine in another for example text is displayed correctly but graphics are not run the Text Mode Character Te...

Страница 80: ...er chip to communicate with the keyboard and confirms the programming of the controller chip Keyboard Key Sequence Test Verifies that the keys on the keyboard function cor rectly when you press them in a predefined order Keyboard Interactive Test Checks the internal microcode of the keyboard and the external interface of the keyboard controller chip for a malfunctioning key Stuck Key Test Checks t...

Страница 81: ...ines on the diskette cable Seek Test Checks the drive s ability to search for a specified track on the diskette and to position the read write heads of the drive to all tracks Read Test Positions the read write heads at each cylinder of the diskette and verifies that all tracks on the diskette can be read correctly Write Test Positions the read write heads at each cylinder of the diskette and veri...

Страница 82: ...er a problem while using an application program on a CD the problem could result from the disc or from the drive When you encounter problems first try using a different CD If the problem recurs run the IDE CD ROM Drives test group These are the most common symptoms that might prompt you to test an IDE CD ROM drive Seek errors are reported by the operating system or application programs An error me...

Страница 83: ...tions Serial Infrared Baud Rate Test Checks the baud rate generator in each serial com munications chip against the computer s clock Serial Infrared Interrupt Test Checks the serial port s ability to send IRQs to the microprocessor Serial Infrared Internal Transmission Test Checks several internal functions of the serial port using the internal loopback mode of the serial com munications chip Seri...

Страница 84: ...d the SCSI devices attached to either These tests run only if the computer is docked NOTES Before conducting these subtests on an external SCSI CD ROM drive insert into the drive a CD with audio and data tracks such as a multimedia CD The Audio Output Test requires a CD with audio tracks all other subtests require a CD with data tracks If the external CD ROM drive is empty or if it contains a CD t...

Страница 85: ...r in a network environment Most network failures are caused by one of the following Poor network connections Failure in the network controller Interrupt conflict the controller trying to use the same IRQ line as another device Software configuration error If a problem occurs while using the computer in a net work environment the network connection should be inspected If the connection is good run ...

Страница 86: ...tem chip set and determines if the DMA controller and the audio controller can exchange signals FM Sound Playback Test Tests whether the system can synthesize sounds and play them through the built in speakers Analog Sound Playback Test Tests whether the system can play sampled sounds through the built in speakers Record and Playback Test Checks the ability of the audio controller to generate a sa...

Страница 87: ...stics for your Dell computer See Chapter 5 Running the Dell Diagnostics for instructions on using the Dell Diagnostics program 4 Make a copy of the Diagnostics Checklist found later in this chapter and fill it out NOTE Save the Diagnostics Checklist in this chap ter as a master so you can use it to make copies as needed On your copy of the Diagnostics Checklist docu ment any error messages or beep...

Страница 88: ...ion instructions Online System User s Guide Reference and Troubleshoot ing Guide technical support service AutoTech service Interrupt maps TechFax service Ordering parts Technical support service TechConnect BBS Software update information TechFax service System board layouts TechFax service system documentation Technical notes on system compatibility and revisions TechFax service Technical traini...

Страница 89: ...psupport dell com for Asian Pacific countries only Electronic Quote Service sales dell com apmarketing dell com for Asian Pacific coun tries only Electronic Information Service info dell com Commercial Online Services Dell can be accessed electronically via CompuServe by typing GO DELL Dell Diagnostics Program Every Dell computer comes with the Dell Diagnostics a program that can help you determin...

Страница 90: ...upgrades Download updates For the BBS telephone number see Dell Contact Num bers found later in this chapter NOTE The TechConnect BBS is not always available in all locations outside the continental U S Please call your local Dell representative for information on availability Automated Order Status System You can call this automated service to check on the status of any Dell products that you hav...

Страница 91: ...very C O D packages are not accepted Returns that are missing any of the preceding require ments will be refused at our receiving dock and returned to you Before You Call Keep a record of your diagnostic and troubleshooting activities by photocopying the Diagnostics Checklist in Figure 5 1 and filling it out whenever you experience a problem with the computer NOTE Be sure to save the checklist in ...

Страница 92: ...____________________________________________________________ ____________________________________________________________________________________________ Are you connected to a network yes no Network version and network card _______________________________________________________________ Programs and versions __________________________________________________________________________ ______________...

Страница 93: ...local number as shown in the following illustration To place a long distance call within your own country use area codes instead of international access codes country codes and city codes For example to call Paris France from Montpellier France dial the area code plus the local number as shown in the following illustration The codes required depend on where you are calling from as well as the dest...

Страница 94: ... Prague 00 420 2 Denmark Horsholm 009 45 Not required Finland Helsinki 990 358 9 France Paris Montpellier 00 33 1 4 Germany Langen 00 49 6103 Hong Kong 001 852 Not required Ireland Bray 16 353 1 Italy Milan 00 39 2 Japan Kawasaki 001 81 44 Korea Seoul 001 82 2 Luxembourg 00 352 Macau 853 Not required Malaysia Penang 00 60 4 Mexico Colonia Granada 95 52 5 Netherlands Amsterdam 00 31 20 New Zealand ...

Страница 95: ...nds Vasby 009 46 8 Switzerland Geneva 00 41 22 Taiwan 002 886 Thailand 001 66 U K Bracknell 010 44 1344 U S A Austin Texas 011 1 Not required Table 5 2 International Dialing Codes continued Country City International Access Code Country Code City Code ...

Страница 96: ...chboard 491 04 0 Technical Support 0660 8779 Belgium Brussels Customer Technical Support 02 4819288 Sales toll free 0800 16884 SalesFax 02 4819299 Switchboard 02 4819100 Fax 02 4819299 Brunei NOTE Customers in Brunei call Malaysia for sales customer and tech nical assistance Customer Technical Support Dell Dimension systems only Penang Malaysia 810 4946 Customer Technical Support Other systems Pen...

Страница 97: ...iago NOTE Customers in Chile call the U S A for sales customer and tech nical assistance Sales Customer Support and Technical Support toll free 1230 020 4823 China Beijing NOTE Customers in China call Malaysia for customer assistance Customer Service Penang Malaysia 810 4949 Sales 6846 1122 extensions 8309 to 8314 Czech Republic Prague Technical Support 02 8728 221 Customer Service and Sales 02 87...

Страница 98: ...g Kong call Malaysia for technical assistance for Dell Dimension sys tems and for customer assistance Technical Support Dell Dimension systems only Penang Malaysia 810 4948 Technical Support Other systems toll free 800 96 4107 Customer Service Penang Malaysia 810 4949 Transaction Sales toll free 800 96 4109 Corporate Sales toll free 800 96 4108 Ireland Bray Customer Technical Support 1 850 543 543...

Страница 99: ...omer Service Austin Texas U S A 512 728 3883 Sales Austin Texas U S A 512 728 4397 SalesFax Austin Texas U S A 512 728 4600 728 3772 Luxembourg NOTE Customers in Luxembourg may call Belgium for sales customer and technical assistance as well as the SalesFax service and they call the Netherlands for the TechFax and TechConnect BBS services Customer Technical Support Brussels Belgium toll free 0800 ...

Страница 100: ...call the U S A for access to the Automated Order Status System and AutoTech Automated Order Status System Austin Texas U S A 512 728 0685 AutoTech Automated technical support Austin Texas U S A 512 728 0686 Customer Technical Support 525 228 7870 Sales 525 228 7811 toll free 91 800 900 37 toll free 91 800 904 49 Customer Service 525 228 7878 Main 525 228 7800 Netherlands Amsterdam Customer Technic...

Страница 101: ...for customer assis tance Technical Support Dell Dimension systems only Penang Malaysia 04 810 4947 Technical Support Other systems toll free 800 6011 051 Customer Service Penang Malaysia 04 810 4949 Transaction Sales toll free 800 6011 054 Corporate Sales toll free 800 6011 053 South Africa Johannesburg Switchboard 011 709 7700 Technical Support 011 709 7710 Fax 011 706 0495 For technical assistan...

Страница 102: ...902 100 185 Switchboard 91 329 10 80 Sweden Upplands Vasby Technical Support 08 590 05 199 Customer Care 08 590 05 169 TechConnect BBS 08 590 05 591 Sales 08 590 05 185 Switzerland Geneva Technical Support Swiss French 022 979 01 50 Technical Support Swiss German 022 979 01 55 TechConnect BBS 022 979 01 88 979 01 89 Customer Service 022 979 01 50 For technical assistance in this country after norm...

Страница 103: ... 07 Customer Service Penang Malaysia 810 4949 Sales toll free 0880 060 06 U K Bracknell Customer Technical Support Dell Dimension systems 01344 720109 Customer Technical Support Other systems 01344 723723 Customer Care 01344 720110 TechFax 01344 723178 TechConnect BBS 01344 723858 Sales 01344 720000 For technical assistance in this country after normal working hours use one of the following number...

Страница 104: ...echnical Support toll free 1 800 433 9005 Sales Catalogs toll free 1 800 426 5150 Spare Parts Sales Dell Direct1 toll free 1 800 274 1490 Major Accounts2 toll free 1 800 357 3355 Fax toll free 1 800 727 8320 TechFax toll free 1 800 950 1329 TechConnect BBS 512 728 8528 Switchboard 512 338 4400 1 Use this telephone number if your call is about a system purchased for home personal or small business ...

Страница 105: ...l Latitude CP M133ST and M166ST 256 KB pipelined burst SRAM Dell Latitude CP M233ST and M233XT 512 KB pipelined burst SRAM Math coprocessor internal to the microprocessor Chip Set and Bus System chip set Intel Mobile 430TX PCIset Microprocessor data bus width 64 bits DRAM bus width 64 bits Address bus width 32 bits Flash EPROM 2 Mbits Local bus 66 MHz PCI bus 33 MHz NOTE For the full name of an ab...

Страница 106: ...e sockets two Memory module capacities and type 16 32 and 64 MB 3 3 V EDO SODIMMs 1 Standard RAM one 16 MB memory module or one 32 MB memory module Maximum RAM 128 MB Memory access time tRAC 60 ns tCAC 15 ns BIOS address F000 0000 F000 FFFF Connectors Serial DTE one 16 550 compatible 16 byte buffer connector Parallel one unidirectional bidirectional or ECP connector Video one connector 1 The Dell ...

Страница 107: ...nctions Audio controller Crystal 4237B Stereo conversion 16 bit analog to digital and digital to analog FM music synthesizer 20 voice 72 operator Interfaces Internal ISA bus External stereo line in minijack microphone in minijack headphones speakers out minijack Speakers two 8 ohm speakers Internal speaker amplifier 1 W into 8 ohms stereo Controls volume can be controlled through key combina tions...

Страница 108: ...gonal 307 5 mm 12 1 inches Maximum resolution colors 800 x 600 pixels 16 million colors Response time typical 50 ms Operating angle 0 closed to 180 Dot pitch 0 31 mm Power consumption Panel typical 0 6 W Backlight 2 4 W Controls brightness can be controlled through a key combi nation the Display window in the Dell Control Center or the System Setup program NOTE For the full name of an abbreviation...

Страница 109: ...pical 1 7 W Backlight 2 6 W Controls brightness can be controlled through a key combi nation the Display window in the Dell Control Center or the System Setup program Keyboard Number of keys 87 U S Canada Korea Thailand and locations that use traditional Chinese 88 Europe 90 Japan Key travel 3 0 mm 0 5 mm 0 2 mm 0 12 inch 0 02 inch 0 0008 inch Key spacing 19 05 mm 0 3 mm 0 75 inch 0 012 inch NOTE ...

Страница 110: ...ours Computer off 1 hours Life span approximate 2 500 discharge charge cycles Temperature range Charge 0 to 40 C 32 to 104 F Storage 20 to 60 C 4 to 140 F 2 Battery performance features such as charge time and life span can vary according to the condi tions under which the computer and battery are used NOTE For the full name of an abbreviation or acronym used in this table see the Glossary in the ...

Страница 111: ...ntinuous Rated output voltage 20 0 VDC Height 27 94 mm 1 1 inches Width 58 42 mm 2 3 inches Depth 133 35 mm 5 25 inches Weight with cables 0 4 kg 0 9 lb Temperature range Operating 0 to 40 C 32 to 104 F Storage 20 to 60 C 4 to 140 F NOTE For the full name of an abbreviation or acronym used in this table see the Glossary in the online System User s Guide Table A 1 Technical Specifications continued...

Страница 112: ...isk drive two batteries and one memory module The minimum weight is 2 3 kg 5 2 lb which includes a hard disk drive a battery in the battery bay the travel bay in the modular bay and one memory module 4 Weight shown is with a hard disk drive a battery in the battery bay a diskette drive in the modular bay and one memory module Your computer might weigh more or less depending on its configuration Th...

Страница 113: ... vibrationspectrumthat simulates air truck shipment Maximum shock 5 Operating 152 4 cm sec 60 0 inches sec less than or equal to a pulse width of 2 ms Storage 203 2 cm sec 80 inches sec less than or equal to a pulse width of 2 ms Altitude maximum Operating 18 to 3048 m 59 to 10 000 ft Storage 18 to 10 600 m 59 to 35 000 ft 5 Measured with the hard disk in head parked position NOTE For the full nam...

Страница 114: ...nt Width sensor active area 61 8 mm 2 43 inch at bottom 58 6 mm 2 31 inch at top Height 48 8 mm 1 92 inch rectangle Weight 8 g 0 28 oz 0 5 g 0 02 oz Power Supply voltage 5 V 10 Supply current 2 75 mA maximum operating ESD 12 kV applied to front surface NOTE For the full name of an abbreviation or acronym used in this table see the Glossary in the online System User s Guide Table A 1 Technical Spec...

Страница 115: ...are interactive These interactive tests display images on the display or monitor and require you to respond with the following steps 1 Examine a displayed image for correctness 2 If an image is correct type y 3 If an image is incorrect type n The following sections describe each of the tests in the Video test group Video Memory Test The Video Memory Test verifies the integrity of the video memory ...

Страница 116: ...r attributes subtest displays four lines of text in 40 column by 25 line double wide text mode that demonstrate normal intensity video reverse video intensified video and blinking video Character Set Subtest 40 x 25 The 40 column x 25 line character set subtest displays all 256 characters in the ASCII character set in 40 column by 25 line double wide text mode Figure B 2 shows part of the 40 colum...

Страница 117: ...e rows of numbers on each screen are dis played correctly otherwise type n Graphics Mode Test The Graphics Mode Test checks the video subsystem s ability to present graphics mode data and colors This test displays a number of different screens each of which allows you to check some aspect of graphics mode data and colors The following subsections describe the Graphics Mode Test screens in the orde...

Страница 118: ...pe y if all the stars are the correct colors otherwise type n 320 x 200 256 Color Graphics Mode Screen The 320 x 200 pixel 256 color graphics mode screen displays a series of squares in 256 different color hues and intensities Type y if all the squares are the correct colors otherwise type n 640 x 480 256 Color Graphics Mode Screen The 640 x 480 pixel 256 color graphics mode screen displays a seri...

Страница 119: ...lows you to test the ability of the display or monitor to increase or decrease the intensity of the three basic colors The RGB color combination screen displays an RGB box in the top center of the screen with individual red green and blue boxes beneath it Underneath the individual color boxes are three lines that show the intensity of each color Type r g or b to adjust the intensity of the corresp...

Страница 120: ...B 6 Dell Latitude CP Reference and Troubleshooting Guide ...

Страница 121: ...ve of Dell Computer Corporation or an experienced radio television technician for additional suggestions You may find the following booklet helpful FCC Interference Handbook 1986 available from the U S Government Printing Office Washington DC 20402 Stock No 004 000 00450 7 Note that FCC regulations provide that changes or modi fications not expressly approved by Dell Computer Corporation could voi...

Страница 122: ...u will be notified as soon as possible When you are notified you will be given the opportunity to cor rect the problem and informed of your right to file a complaint with the FCC If repairs are needed on your Dell notebook modem they should be performed by Dell Computer Corporation or an authorized representative of Dell Computer Corporation To return products you must call Dell customer service a...

Страница 123: ... compliance of this Dell portable computer to the EMC Electromagnetic Compatibility directive of the European Community Such marking is indicative that this Dell portable com puter meets or exceeds the following technical standards EN 55022 Limits and Methods of Measurement of Radio Interference Characteristics of Information Technology Equipment NOTE EN 55022 emissions requirements provide for tw...

Страница 124: ...ion read the appropriate VCCI notice Note that VCCI regulations provide that changes or modifications not expressly approved by Dell Computer Corporation could void your authority to operate this equipment Class A ITE This is a Class A product based on the standard of the Voluntary Control Council for Interference for informa tion technology equipment If this equipment is used in a domestic enviro...

Страница 125: ...MB BTJMBK DFHP HOJB ELB LUÍSF QPXJOOP OBKEPXBÀ TJÄ X QPCMJ V VS E FOJB J CZÀ BUXP EPTUÄQOF OBL CF QJFD FËTUXB QPUXJFSE B HPEOPvÀ VS E F OJB XZNBHBOJBNJ CF QJFD FËTUXB V ZULPXBOJB BXBS UZNJ X 1 5 J 1 1P PTUB F JOTUSVLDKF CF QJFD FËTUXB JF OBMF Z V ZXBÀ XUZD FL BEBQUFSPXZDI MVC VTV XBÀ LP LB PCXPEV PDISPOOFHP XUZD LJ F FMJ LPOJFD OF KFTU V ZDJF QS FE V BD B UP OBMF Z V ZÀ QS FE V BD B Z PXFHP QSBXJE...

Страница 126: ...82 Importer Dell Computer de México S A de C V Rio Lerma No 302 4 Piso Col Cuauhtemoc 16500 México D F Ship to Dell Computer de México S A de C V al Cuidado de Kuehne Nagel de México S de R I Avenida Soles No 55 Col Peñon de los Baños 15520 México D F Supply voltage 100 250 VAC 10 Frequency 50 60 Hz Current consumption 0 8 0 4 A Exportador Dell Computer Corporation One Dell Way Round Rock TX 78682...

Страница 127: ...pair or replace products covered under this lim ited warranty that are returned to Dell s facility To request warranty service you must call Dell s Customer Technical Support within the warranty period Refer to Chapter 5 Getting Help or to the section titled Contacting Dell in your online System User s Guide to find the appropriate telephone number for obtaining customer assistance If warranty ser...

Страница 128: ...E STATES OR JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE PRECEDING EXCLUSION OR LIMITATION MAY NOT APPLY TO YOU These provisions apply to Dell s limited three year warranty only For provisions of any service contract covering your system refer to the separate service contract that you will receive If Dell elects to exchange a system or compon...

Страница 129: ...tery 1 3 BIOS upgrade 2 6 version 2 6 boot device selecting 2 6 boot routine about 3 1 booting the computer 2 6 bulletin board service See TechConnect BBS C C Port Advanced Port Replicator 1 3 cables shielded cables C 1 troubleshooting 3 2 cache memory 1 3 calling Dell 5 7 card See PC Cards cautions x CD ROM drive about 1 2 troubleshooting 3 21 central processing unit CPU See microprocessor comput...

Страница 130: ... test group 4 18 starting 4 2 system configuration information 4 4 System Set test group 4 13 tests 4 9 using 4 3 Video test group 4 15 B 1 when to use 4 1 Dell Q A 5 3 device drivers 3 14 diagnosing problems 5 1 diagnostic video tests B 1 Diagnostics Checklist 5 6 diagnostics program See Dell Diagnostics disk See diskette drive hard disk drives CD ROM drive diskette drive failure during POST 3 21...

Страница 131: ... 4 1 Dell diagnostics program 5 3 Dell Q A 5 3 TechConnect BBS 5 4 TechFax service 5 4 user s documentation 5 3 I I O connectors 1 2 I O functions 3 26 I O map 3 16 I O panel 1 2 IDE CD ROM Drives test group Dell Diagnostics 4 18 indicator panel 1 1 infrared port about 1 3 location 1 1 1 2 mapping 2 8 mode selection 2 8 troubleshooting 3 27 input output See I O interrupt request See IRQ interrupts...

Страница 132: ...cessor boot speed 2 6 slowing the microprocessor 2 11 speed 1 2 2 9 monitor external errors during POST 3 25 monitor connector 1 3 Mouse test Dell Diagnostics 4 16 N Network Interface test group Dell Diagnostics 4 21 nonvolatile random access memory See NVRAM notational conventions x notes x NVRAM 2 1 3 9 O operating systems supported 1 3 Options option in Dell Diagnostics 4 6 options 1 4 Other te...

Страница 133: ...rocessor product information 5 5 Program Diskette Maker 1 4 program See system utilities PS 2 connector 1 3 Q Quit option in Dell Diagnostics 4 9 R RAM test group in Dell Diagnostics 4 12 random access memory See RAM regulatory notices C 1 return policy D 2 returns 5 5 Run option in Dell Diagnostics 4 5 S safety instructions ESD prevention vii general v working inside your computer vi SCSI Devices...

Страница 134: ...5 Alarm Resume option 2 5 Asset Tag option 2 5 Audio Mode 2 5 Battery option 2 6 Battery Status option 2 6 BIOS version option 2 6 Boot Sequence option 2 6 Boot Speed option 2 6 Brightness option 2 6 Click Volume option 2 7 copying or printing screen information 2 1 Date option 2 7 Disk Time Out option 2 7 Diskette Drive A option 2 7 Diskette Drive B option 2 7 Diskette Reconfig 2 7 Display Close ...

Страница 135: ...rd keypad 3 23 external monitor 3 25 flash codes 3 4 hard disk drive failure during POST 3 22 I O functions 3 26 infrared port 3 27 IRQ conflicts 3 14 messages 3 4 monitor 3 25 parallel port 3 26 power failure 3 18 serial port 3 26 software errors 3 13 visual signs of problems 3 3 water damage 3 17 TSR programs 3 12 3 13 typographical conventions x U upgrade options 1 4 upper memory map 3 15 user ...

Страница 136: ...8 Dell Latitude CP Reference and Troubleshooting Guide W warnings x warranty information ix D 1 warranty repair or credit 5 5 water damage 3 17 X XGA display 1 2 ...

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