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Troubleshooting

This chapter describes how to troubleshoot computer problems.

Common Problems

Problems with your computer can be caused by something as minor as an unplugged
power cord or as major as a damaged hard disk drive. The information in this
troubleshooting section is designed to help you find and solve minor problems. If
you still have a problem after trying all the suggested remedies in this chapter,
contact your dealer.

The problems that you might encounter can be divided into two basic categories:
hardware and software. Hardware problems can be further divided into being of an
electrical or a mechanical nature. You will know you have a hardware problem if, for
example, the screen is blank, or the computer cannot recognize the disk drives.

Software problems can occur at several levels. Both your operating system and your
software application programs are capable of generating errors and error messages.
If you encounter a software error, try to determine if the error message is from your
operating system or from an application program, and refer to the appropriate
manual for possible remedies.

You can also refer to the Windows 98 manual or Windows Help program to solve
the problem. To access the Help program, select Help from the Start menu. It also
gives you Troubleshooting tips and an Index.

Successful troubleshooting is the result of careful observation, deductive reasoning,
and an organized approach to solving the problem. If you encounter a problem,
begin by performing a careful visual inspection. Check the exterior of the computer
first. If no lights are displayed, check the battery charge or power outlet, the plug and
power cord, and any power switches that may affect your computer. If the computer
has been connected to any peripheral devices, look for loose or disconnected cables.
You may also need to check the fuses and breakers in your electric box. A few
common problems and suggested solutions are presented in the examples which
follow.

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Summary of Contents for PC-A500

Page 1: ...tails can be found on the warranty card inserted with the documentation Copyright Copyright may exist in material you wish to record Copying or broadcasting such material without permission of the relevant licensees or owners of the copyright is prohibited by law SHARP is not in a position to authorise the copying or broadcasting of copyright materials and nothing in this OPERATION MANUAL should b...

Page 2: ...the computer from an extremely cold place to an extremely warm place A temperature difference of more than 10 C 18 F will cause condensation inside the unit which may cause damage Do not block or cover slots or openings on the cabinet These protect the computer from overheating Care should be exercised when using on heat sensitive surfaces or your lap as the base of this computer will get hot Do n...

Page 3: ... allow metal objects such as jewelry to short across the battery terminals as it could heat up and explode Do not allow liquids to come in contact with the battery pack Avoid dropping the pack or other violent shock Do not solder anything to the battery terminals Charging Charge the battery pack only with the AC adapter included with your computer Discharging Do not use the battery pack for any pu...

Page 4: ...cally designed for wet locations Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface Use caution when installing or modifying telephone lines Avoid using the telephone during a lightning storm There may be a remote risk of electric shock from lightning Do not use the telephone to report a gas leak while in the vicinity of th...

Page 5: ...other causes SHARP assumes no responsibility directly or indirectly for financial losses or claims from third persons resulting from the use of this product and any of its functions such as stolen credit card numbers the loss of or alteration of stored data etc Edition 1st Edition July 1999 Copyright 1999 SHARP Corporation This document contains or refers to proprietary information which is protec...

Page 6: ...e reference please record the following information in the spaces provided below Model Number Serial Number Date of purchase Dealer s Name Place of purchase Password The serial number is printed on a sticker located on the bottom of the computer ...

Page 7: ...sed simultaneously the key labels are separated by a plus sign Restart your computer by pressing Ctrl Alt Delete When necessary important key combinations are shown in graphics Sample Entries are shown in upper cases of different typeface In the following case press the Enter key after you type the command C DIR A Enter Words Texts on Screen such as window titles or possible parameters are italici...

Page 8: ... Windows 98 1 3 Shutting Down the System 1 4 Basic Operations Choosing Power Source 2 1 Resetting the System 2 3 Using The Glide Pad 2 4 Using The Keyboard 2 6 Using Floppy Disks 2 7 Using CD 2 12 Expansion Bay 2 15 Battery and Power Management Standard Battery Pack 3 1 Optional Battery Pack 3 6 Power Management 3 8 Peripherals Using Peripherals 4 1 Printer 4 3 Display 4 4 Keyboard Mouse 4 6 Audio...

Page 9: ...ion PC Card 6 1 Memory Module 6 3 Security Features Passwords 7 1 Preventing Infection of Computer Viruses 7 4 Security Slot 7 4 Setup Utility Running the Setup Utility 8 1 Main menu 8 3 Advanced menu 8 4 Security menu 8 5 Power menu 8 6 Exit menu 8 7 Appendixes Maintenance and Care A 1 Specifications A 3 Troubleshooting Index ...

Page 10: ...depending on the model Front Computer Floppy Disk Drive Unit Ventilation Openings Glide Pad Microphone Jack Audio Output Jack Monaural Microphone Battery Indicator Keyboard Monaural Speaker Power Switch LCD Screen CD ROM Drive Hard Disk Drive Floppy Disk Drive A N Num Lock Caps Lock Scroll lock Power Battery Power Indicators 1 2 2 6 4 7 2 7 4 7 3 2 2 4 ...

Page 11: ...e control Down Up Expantion Bay CD Tray Eject Hole Left AC Adapter Jack USB Port Modem Jack may not be available in some countries Security Slot Ventilation Openings Ventilaiton Openings PC Card Slot 2 15 5 1 5 3 6 1 7 4 4 8 1 2 2 3 T 5 ...

Page 12: ...xii Rear Parallel Port RS 232C Serial Port External Monitor Port Floppy Disk Drive Port Keyboard Mouse Port Bottom Memory Module Slot Cover Battery Pack 4 3 4 4 4 7 4 6 2 7 6 3 3 1 ...

Page 13: ...sing the computer for the first time 1 Plug the AC adapter cable into the AC adapter jack on the left side of the computer 2 Plug the AC power cord into the AC adapter Always use the AC adapter included with the computer Using other AC adapters may damage the computer Always hold the AC power cord by its plug when removing it from the wall outlet Never pull on the cord When using the computer for ...

Page 14: ... comfortable viewing position 6 Press the power switch Power Switch When you turn on the computer the power indicator turns green the computer goes through a self test to detect any problems and Windows 98 starts When using the computer for the first time a dialog box called the Windows 98 Setup Wizard appears to guide you through the Windows 98 setup See the next page ...

Page 15: ...Windows 98 setup If you turn off you cannot set up Windows 98 later Properties Dialog Box in Windows In the instructions in this manual you will often see the expression XXX Properties dialog box A dialog box is a window containing text boxes check boxes buttons etc with which you can send commands to Windows 98 or other application programs To open the properties dialog boxes click the Start butt...

Page 16: ...roperties dialog box select Advanced tab 4 Select Shutdown in When I press the power button on my computer 5 Click OK If you have not saved a file a dialog box will appear asking whether you want to save it Do not turn off or reset the computer while the hard disk floppy disk or CD ROM drive indicator is lit Doing so may damage or even wipe out the data To protect the screen always close the scree...

Page 17: ... is an internal standard battery in the computer You can use an optional battery pack adding to the standard battery See Chapter 3 for battery information About the Power Indicators The following indicators show the power status of your computer Indicator Light Meaning Battery Power On green Fully charged On orange Being charged On red Almost discharged The warning beep sounds Blinking red Almost ...

Page 18: ... 100 to 240 volts so that you can use the computer with the appropriate plug adapter The AC power cord included with the computer is appropriate for the voltage used in the area in which you purchased your computer If you attempt to connect the computer to a wall outlet other than in this area check the voltage of the outlet and use an AC power cord appropriate for the outlet Consult local service...

Page 19: ... to restart the computer Resetting may cause data loss Use the software reset only if the normal Windows 98 Shut Down does not work because of software malfunction Although resetting will not damage the system you may lose the data you are processing Power Switch You can turn off the computer with the power switch if you encounter hardware or software problems which lock up the system In this case...

Page 20: ...incorrectly Using the Glide Pad Take a moment to become familiar with how the glide pad works Place Your Fingertip Place your left or right hand next to the glide pad resting your wrist naturally in a relaxed manner Place your thumb or finger on the glide pad Move Your Fingertip The rectangular pad of the glide pad acts like a miniature duplicate of the display As you slide your fingertip across t...

Page 21: ...n the object reaches its destination Scroll You can scroll through information in a list or in a document by using the glide pad To view information vertically place your finger on the most right part of the glide pad and slide your finger up and down To view information horizontally place your finger on the bottom part of the glide pad and slide your finger left or right This procedure works in l...

Page 22: ...s set specific system parameters This combination is sometimes referred to as hot keys Switches the display output between the LCD screen and external monitor if connected See the Display section in Chapter 4 for details Decreases the LCD screen brightness Increases the LCD screen brightness Turns off the battery warning beep You cannot turn off Windows 98 battery warning beep Turns the screen bac...

Page 23: ... installed into the floppy disk drive box Turn off the computer before connecting the floppy disk drive box otherwise the floppy disk drive unit may not be recognized Do not place the floppy disk drive box on its side or upside down Do not press on the floppy disk drive box It may damage the drive or cause malfunction Do not place the AC adapter on the floppy disk drive box It may cause the drive ...

Page 24: ...and pulling it out Installing Floppy Disk Drive Unit into Expansion Bay Remove the floppy disk drive unit from the floppy disk drive box before installing the unit into the expansion bay of your computer Removing Floppy Disk Drive Unit from Floppy Disk Drive Box 1 Turn off the computer 2 Remove the floppy disk drive box from the computer 3 Turn over the box 4 Slide the lever and pull out the flopp...

Page 25: ...bay with projection part facing up 5 Slide the lock Lock Projection For more information see the section of Expansion Bay of this chapter Installing Floppy Disk Drive Unit into Floppy Disk Drive Box To use the floppy disk drive unit installed in the floppy disk drive box 1 Turn over the floppy disk drive box 2 Slide the lever and insert the floppy disk drive unit with the projection part facing up...

Page 26: ...r place heavy objects on a disk Do not spill liquid onto a disk Inserting and Removing a Floppy Disk Inserting Hold the floppy disk with the arrow facing up and towards the drive Slide the disk into the drive until it locks into place Always insert a floppy disk straight into the floppy disk drive When inserting the disk make sure it is not upside down Do not use excessive force when inserting the...

Page 27: ... insert it into the floppy disk drive 2 Double click My Computer on the desktop 3 Click 3 Floppy A From the File menu select Format 4 From the capacity drop down list select 1 44MB or 720KB 5 Click Start to start formatting When you format a floppy disk all data previously stored on the disk is lost Backing Up Data We recommend that you regularly backup the data on your hard disk drive Windows 98 ...

Page 28: ...e Do not mark this surface Keep your discs away from direct sunlight heat and excessive moisture Always hold the CDs by the edges Fingerprints dirt or water on the CDs can cause noise or mistracking If a CD is dirty or does not play properly clean it with a soft dry cloth wiping straight out from the center along the radius Inserting a CD You can operate the CD ROM drive only when the computer is ...

Page 29: ...the tray Do not leave the CD tray open Also avoid touching the lens in the tray If the lens becomes dirty the CD ROM may malfunction Do not wipe the lens with materials with rough surface such as paper towels Instead use a cotton swab to gently wipe the lens FDA regulations require the following statement for all laser based devices Caution Use of controls or adjustments or performance of procedur...

Page 30: ... tray back into the computer When opening the CD tray if the CD is still spinning wait until it has stopped then remove it Do not remove the CD if the CD ROM indicator LED is still lit otherwise the computer may malfunction Maximum output and wavelength of the laser 4 3mW 780nm CLASS1LASER PRODUCT LASER KLASSE1 For uninstalling and reinstalling the CD ROM drive see the section of Expansion Bay ...

Page 31: ...mputer before changing units or the computer may malfunction Be careful of the direction of units 1 Turn off the computer and remove the AC adapter and all peripheral devices 2 Turn the computer upside down on a flat surface 3 Slide the lock then slide the lever and remove the unit from the bay Lock Lever 4 Insert the other unit with projection part facing up and slide the lock Lock Projection ...

Page 32: ...ery is less than what the battery indicator lights suggest as per the procedure on page 3 3 Turn off your computer when you are not using it The duration a battery charge will last will depend on the computer usage Applications which heavily use the peripherals will experience shorter power duration When the battery is not charged your computer may not operate properly Connect the AC power to char...

Page 33: ...ree on 51 75 All on 76 100 Battery Indicator Status Capacity Remaining All off One blinking Nearly 0 Empty 0 Empty This battery indicator turns on automatically while the battery is being charged when connected to AC power When the battery is fully charged the battery indicator turns off The battery power remaining is an approximate figure The remaining operating time expected may be different fro...

Page 34: ... management in this chapter Charging the Battery Pack 1 Connect the AC adapter to the computer While the battery is being charged the battery power indicator is orange and the battery indicator turns on 2 When the battery is fully charged the battery power indicator turns green and the battery indicator turns off Charging time may vary according to the status of the computer When the battery is ho...

Page 35: ... when you initialize the standard battery pack Installing and Uninstalling Standard Battery Pack Installing Standard Battery Pack 1 Shut down the computer and disconnect AC adapter and peripheral devices 2 Close the LCD screen and turn over the computer 3 Insert the projected parts of the battery pack into the notched parts of the computer 4 Insert the battery pack until you hear the clicking soun...

Page 36: ...3 5 3 3 Slide the lever and push the latch of the standard battery lever latch 4 Remove the battery pack ...

Page 37: ...pack Checking the Battery Level You can check the battery level of the optional battery pack in the same way as the standard battery pack See page 3 2 You can also check with the battery indicator of the optional battery pack The battery indicator status is same as that of the standard battery pack See page 3 2 Battery Indicator Charging Optional Battery Pack You can charge the optional battery pa...

Page 38: ...dard battery pack is installed Remove the standard battery pack before starting to initialize the optional battery pack 1 Connect the computer to AC power and turn on the computer 2 When the message Press F2 to enter Setup Utility appears press F2 to open the Setup Utility 3 Press Esc to open Exit menu 4 Select Secondary Battery Calibration and press Enter 5 Type Y and press Enter 6 When initializ...

Page 39: ...uto Play is functioning Stopping Power Supply to the Hard Disk 1 In the Power Management Properties dialog box select Power Schemes tab 2 Set Turn off hard disks to an appropriate value and click OK Stopping Power Supply to the Display This procedure is also effective for an attached external monitor complying with power management 1 In the Power Management Properties dialog box select Power Schem...

Page 40: ... Mode below Selecting System Standby Mode If your battery becomes completely discharged during Standby you will lose unsaved data and will need to reboot your computer Therefore if you are planning to leave your computer powered by battery for long periods of time we recommend Hibernation 1 From the Start menu select Settings Control Panel 2 Double click Power Management icon 3 In the Power Manage...

Page 41: ...Select Hibernate or Standby in When I close the lid of my portable computer 3 Click Apply 4 Click OK You press the power switch The above functions if you perform the followings 1 In the Power Management Properties dialog box select Advanced tab 2 Select Hibernate or Standby in When I press the power button on my computer 3 Click Apply 4 Click OK You press Fn F12 The above functions if you perform...

Page 42: ...not operate the keyboard glide pad or mouse while the system is resuming Hibernation If sufficient battery power does not remain your computer will not resume from Hibernation To resume it connect the computer to AC power When the system resumes from Hibernation you can see some flicker on the display This is not a malfunction Your computer resumes from Hibernation if you press the power switch Di...

Page 43: ...ct Settings Control Panel 2 Double click Power Management icon 3 Select Alarms tab 4 Check the box of the preferable battery alarm state 5 Set the battery level at which the alarm is activated and click Alarm Action 6 In Low Battery Alarm Actions dialog box Check the preferable notification status in Notification 7 Check When the alarm goes off the computer will if you want your computer to go on ...

Page 44: ...devices shown on the next page For the details refer to the section explaining each device and contact your dealer Be sure to turn off the computer and the peripheral device before connecting them except when connecting USB Some devices have to be turned on after the computer is turned on Some devices require that you install drivers before use Connecting Peripheral Device 1 Turn off the computer ...

Page 45: ...4 2 4 Peripheral Connection Overview Audio Equipment Microphone USB Device Keyboard Mouse External Monitor RS 232C Device Printer ...

Page 46: ...he Start menu select Settings Printers 2 Double click Add Printer The Add Printer Wizard appears 3 Click Next 4 Select Local printer or Network printer according to your printer status 5 Select the manufacturer and the printer and click Next If you cannot find the model name of your printer you have to install the printer driver included with your printer See your printer manual for details 6 Sele...

Page 47: ...nitor tab and click Change 3 Click Next 4 Select Display a list of all the drivers in a specific location so you can select the driver you want then click Next 5 Select Show all hardware 6 Select the manufacturer and the model and click Next twice 7 Close the dialog box following the instructions on the screen Switching the Display 1 In the Display Properties dialog box select Settings then Advanc...

Page 48: ...0 x 600 256 64K 16M 256 64K 16M 256 64K 16M 1024 x 768 Not available 256 64K Not available 1280 x 1024 Not available 256 Not available 1600 x 1200 Not available 256 Not available The number of colors in this mode is made using a Dithering algorithm on the internal LCD only You cannot switch to a display resolution and number of colors that are not available In the Color Palette High Color 16 bit m...

Page 49: ... to the RS 232C serial port of the rear side of your computer Before using a serial mouse set the COM1 port to Auto or Enabled in the Advanced menu of the Setup Utility If you want to disable the glide pad set Pointing Device to Disabled Using a USB mouse keyboard You can connect the USB mouse keyboard to the USB port of the left side of your computer Using a mouse and a keyboard simultaneously Co...

Page 50: ...e of over 8 Ω Connecting Microphone You can input sound using an external microphone connected to the microphone jack You can connect an electret condenser microphone with the impedance of under 2k Ω and the allowable voltage of 5 V RS 232C Device You can use RS 232C devices such as a modem or a terminal adapter with your computer RS 232C port is available on the rear side of your computer To use ...

Page 51: ...8 4 USB Device USB port is available on the left side of your computer You can connect disconnect USB peripherals without turning off the computer See also the manuals of peripheral devices supporting USB ...

Page 52: ...flat surface 2 Place the target device so that its IR port is in line with that of your computer 3 Adjust the distance between the IR ports to be less than 20 inches 50 cm When using a Sharp electronic organizer make sure the two IR ports are within 12 inches 30 5cm Setting for Infrared Communication 1 In the Advanced menu of the Setup Utility make sure the IR Mode is IrDA 2 Disable System standby...

Page 53: ... IR devices If necessary you can temporally disable this emission 1 From the Start menu select Settings Control Panel 2 Double click the SHARP IR icon 3 Check Turn off infrared communication and click OK Communicating with Windows 98 Personal Computer To communicate with a personal computer installed with Windows 98 1 Right click the file you want to send 2 Select Send To Infrared Recipient The fi...

Page 54: ...f the device Before connecting to a PBX consult the PBX maintenance staff or its service company If the electric characteristics of your PBX are different from those of a regular analog line the modem will not function properly If you connect the modem to a digital PBX both the modem and the PBX may be damaged Connecting the Modem to a Telephone Line 1 Turn off your computer 2 Connect the end near...

Page 55: ... to COM3 if you have not changed the settings in the Advanced menu of the Setup Utility 2 Set parameters such as modem speed baud rate and line type pulse dialing or tone dialing See also the manual or online help of the software you are using Do not enter System standby while using communication software The communication speed may vary depending on the traffic local telecommunications infrastruc...

Page 56: ...I ZV port compliant or CardBus compliant PC card Before inserting a PC card into your computer refer to its manual PC card does not work in MS DOS mode Inserting PC Card 1 Make sure that PC card eject button does not pop out 2 Insert the card into the slot with the label face up until it locks into place You do not have to power down the computer to insert remove PC cards when using Windows 98 Eje...

Page 57: ...screen Ejecting PC Card Some PC cards may become hot after long use Be sure to use the procedure below when ejecting a PC card Otherwise the system may not work properly 1 In the PC Card Properties dialog box click on the icon of the PC card you want to eject 2 Click Stop 3 When the message prompts you to eject the card click OK 4 Gently push in the PC card eject button The PC card will be pushed ...

Page 58: ... Before installing the memory module carefully discharge static electricity from your body by touching an unpainted metal area Avoid touching the integrated circuits on a memory module Handle all components by the edges Keep the memory module in the anti static wrapping until you are ready to install it 1 Turn off the computer and disconnect the AC adapter and peripheral devices 2 Close the LCD sc...

Page 59: ...RAM Board Slot Cover Hard Disk 5 Remove the RAM board slot cover 6 Align the memory module as shown below matching the notched part of the memory module with the projected part of the memory socket on the computer Notched part Projected Part ...

Page 60: ...t firmly at an angle of about 20 degrees 20º 8 Gently push the memory module down until you hear a clicking sound Projected Part Notched part 9 Replace the RAM board slot cover Make sure two marks face each other then slide the cover to the left ...

Page 61: ... Screws 11 Turn on the computer and check the memory size with the procedure in the previous section Uninstalling the Memory Module 1 Follow steps 1 5 above 2 Slightly bend the two latches outward until the memory module is released 3 Remove the memory module and follow steps 9 10 above ...

Page 62: ...mes the message System Disabled appears Press the power switch to turn off the computer and after 5 second turn it on again and enter the correct password Supervisor Password and User Password Two types of passwords limit the access at different levels To set the user password you always have to set the supervisor password When you set the two passwords a person who knows only the user password ha...

Page 63: ... Setting Changing the Password If you lose your password you will be unable to access the computer or change the configuration Make sure you select a password you will never forget and write it down and save it in a secure place Otherwise you will have to contact your dealer for assistance 1 In the Security menu of the Setup Utility select Set Supervisor Password or Set User Password and press Ent...

Page 64: ...administers the computer sets both supervisor and user passwords and lets the other people know only the user password Deleting the Password 1 In the Security menu of the Setup Utility select the password item you want to delete and press Enter 2 Type your current password and press Enter 3 Without typing any characters press Enter 4 Press Enter again 5 When the confirmation message appears press ...

Page 65: ...set the item Boot Sector Virus Protection to Enabled in the Security menu of the Setup Utility You cannot prevent infection of all types of viruses with the above operation Even if a warning message appears the system may not be infected in some cases Security Slot You can prevent theft by using a security cable and the security slot on the left side of your computer ...

Page 66: ...ea called CMOS RAM which the system reads every time you turn on the computer Contents of the Setup Utility The Setup Utility consists of five menu pages as follows Main Basic system configuration Advanced Device interface configuration I O ports etc Security Password settings Power Power management battery saving settings Exit Exit the Setup Utility or return to the default values Entering and Ex...

Page 67: ...following keys Moves the cursor from one menu to another Moves the cursor from one item to another in a menu Space bar Increases the numeric value or changes an item to the next value Decreases the numeric value or changes an item to the previous value Enters the Exit menu When a sub menu is open this key closes the sub menu Replaces the settings on the current menu with their default values date ...

Page 68: ...k Leave it as a default during normal use Primary Slave Specifies whether CD ROM drive is installed in your computer None means CD ROM drive is not installed Large Disk Access Mode Selects the operating system Set to DOS during normal use If you use another operating system such as UNIX select Other Boot Device Priority Specifies the sequence in which the boot program looks for operating system fi...

Page 69: ...ns that the base I O address is automatically assigned Disabled means that you cannot use the port LPT Mode Specifies the LPT port mode Standard Bi directional ECP Extended Capabilities Port mode or EPP Enhanced Parallel Port mode Floppy Disk Controller Defines whether to use the floppy disk drive To use it set this item to Enabled Pointing Device Enables or disables the glide pad External PS 2 Mo...

Page 70: ...he supervisor password If you lose your password you will be unable to access the computer or change the configuration Make sure to select a password you will never forget or write it down and protect it in a secure place Otherwise you will have to contact your dealer for assistance Password on boot Defines whether the system requires passwords during the boot process Enabled means that you need t...

Page 71: ...pply for the hard disk stops automatically Video Power Down After Defines the duration of non access to the screen after which the power supply for the screen stops automatically Suspend Data To Defines which mode the system enters when the system is in System standby Auto Suspend After Defines whether the system enters System standby when you do not operate the computer for the specified length o...

Page 72: ...gs you have changed Get Default Values Returns the values of all items to default To exit select one of the above items Load Previous Values Returns the values of all items to the values you last saved Save Changes Saves the settings you have changed Battery Calibration Initializes the standard battery pack Secondary Battery Calibration Initializes the optional battery pack ...

Page 73: ...emical agents that may damage the cabinet Never clean the computer while it is powered on Ventilation Openings Wipe the ventilation openings with a soft dry cloth Dust on the ventilation openings may cause overheating of the computer Screen The surface of the screen may become smeared and accumulate dust during use Avoid touching the screen with your fingers when using the system Gently wipe the s...

Page 74: ... or other external media Bring an extra copy of your backup data Do not travel with a floppy disk or CD ROM inserted in the drive Do not travel with the computer powered on This may result in loss of data and or damage to the hard disk drive Disconnect any peripheral devices and the AC adapter from the computer Fully charge the standard battery pack and bring the AC adapter and the AC power cord A...

Page 75: ...oard mouse port USB port external floppy disk drive port modem jack Infrared IR port IrDA 115Kbps 4Mbps SHARP ASK 9600bps Modem may not be available in some countries Data 56Kbps receive 33 6Kbps send Fax 14 4Kbps Power AC adapter 100 240V 50 60 Hz Battery Rechargeable lithium ion battery Battery life Approximately 2 5 hour standard battery only Approximately 5 hours when optional battery installe...

Page 76: ...pable of generating errors and error messages If you encounter a software error try to determine if the error message is from your operating system or from an application program and refer to the appropriate manual for possible remedies You can also refer to the Windows 98 manual or Windows Help program to solve the problem To access the Help program select Help from the Start menu It also gives y...

Page 77: ... check whether the Diskette Drive is set to the first in Boot Device Priority in the Main menu of the Setup Utility Question Why do I get a non system disk or disk error message You may have inserted a non bootable disk in the floppy disk drive either a defective disk or one without an installed operating system Remove the disk If this message is issued when you attempt to boot from your hard disk...

Page 78: ...he screen If you still have the problem after trying the above press the power switch for more than four seconds to turn off the system Five seconds later turn the computer on If you cannot power off the system with above procedures insert a fine rod into the reset switch on the right side of the computer refer to page 2 3 Wait five seconds and turn the computer back on Question Why does the exter...

Page 79: ...is set to Auto Confirm the surface of the glide pad is completely dry and free from dirt and grease Trouble with Floppy Disks Question Why can t I use a floppy disk Confirm the floppy disk is inserted correctly Confirm the drive or the file name is correct The floppy disk may not be formatted or could be corrupted If you cannot write to a floppy disk the disk may be write protected Eject the disk ...

Page 80: ... paper clip into the CD tray eject hole on the right side of your computer For the location of the hole see the section Overview of the Computer Question If the message requiring Windows 98 CD ROM appears Type C WINDOWS OPTIONS CABS in Copy files from dialog box Trouble with Hard Disk Question Why can t I read or write data to from the hard disk Confirm the drive and file names are correct Confirm...

Page 81: ...Settings Printers to confirm your printer is installed here If not click Add Printer to install your printer See also the Windows Help Question Why doesn t the device connected to the RS 232C serial port function Confirm the device is correctly connected to the computer with an appropriate cable Confirm the application program is compliant with the RS 232C standard interface Confirm the COM1 port ...

Page 82: ...ter is lined up with the IR port of the other device These ports should be no more than 20 inches 50 cm apart without any obstacles Confirm that IR communication is not turned off in the Sharp IR dialog box Confirm the item IR Mode is set to IrDA in the Advanced menu of the Setup Utility Confirm System standby is set to Never in the Power Schemes tab of the Power Management Properties dialog box I...

Page 83: ...et appropriately Confirm System standby is set to Never in the Power Schemes tab of the Power Management Properties dialog box If the modem is connected to a PBX it may not work properly Connect it directly to the telephone line Other Troubles Question Why is the battery discharged so quickly Initialize the battery pack Question Why is the date and or time incorrect Correct the date and time using...

Page 84: ...evice Make sure the hardware device is not crossed out with an X mark using the following procedure 1 In the System Properties dialog box select Device Manager 2 Select the device you cannot use 3 Click Properties and uncheck Disable in this hardware profile ...

Page 85: ... switching 4 4 E expantion bay 2 15 F floppy disk formatting 2 11 handling 2 10 inserting 2 10 removing 2 11 floppy disk unit installing into expantion bay 2 8 installing into floppy disk drive box 2 9 removing from floppy disk drive box 2 8 floppy disk drive box connecting to computer 2 7 removing 2 8 G glide pad 2 4 changing the configuration 2 5 using 2 4 H Hibernation 3 9 selecting 3 9 enterin...

Page 86: ...ower source 2 1 power switch X 1 2 2 3 properties dialog box 1 3 R reset switch 2 3 resetting 2 3 RS 232C device 4 7 S security slot 7 4 setting up Windows 98 1 3 Setup Utility Advanced menu 8 4 entering and exiting 8 1 Exit menu 8 7 Main menu 8 3 Power menu 8 6 running 8 1 Security menu 8 5 using 8 2 shutting down the system 1 4 supervisor password 7 1 Standby 3 9 entering 3 9 resuming from 3 11 ...

Page 87: ...you operate too quickly an error message may appear In this case return to the first step and repeat the installation Use the Product Recovery CD ROM only for your computer Unless otherwise specified the instructions in this booklet assume that you are installing Windows 98 into the C WINDOWS directory In the re installation procedures use only AC power If you use the battery and the battery power...

Page 88: ...Power Power Management Disabled 7 Press Esc then Enter twice The system restarts 8 Read the message and press Enter 9 Follow the instruction on the screen 10 After the hard disk is recovered remove the Product Recovery CD ROM and press any key The system restarts 11 Set up Windows 98 following the instructions on the screen 12 After the setup is completed select Shut Down from the Start menu 13 In...

Page 89: ...store the computer in the future Some brochures or supplements may be contained other than the above Your computer and its accessories come securely packaged in a cardboard shipping carton As you unpack your computer please be sure to check for all of the following items which should be included Notebook Computer Windows 98 Pack AC Adapter Operation Manual AC Power Cord Re installation Instruction...

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