Dell Latitude XPiCD Reference Manual

Also see for Latitude XPi CD: Manual User guide Service manual

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Dell Latitude XPiCD Reference Manual Manual pdf 64 page image

3-24 Dell Latitude XPi CD Reference and Troubleshooting Guide1. Reboot the computer by pressing<CTRL><ALT><DEL>. Does the hard-disk drive/CD-ROM drive access indicator blink during the bootroutine, and does the drive boot the operatingsystem?Yes. If a message appears on the display, seeTable 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 driveA, and reboot the computer.3. Type c: and press <ENTER>. Then type dir andpress <ENTER>. Does MS-DOS display the rootdirectory contents for drive C?Yes. Go to step 5.No. Continue to step 4.4. If your hard-disk drive has more than one logicaldrive, type d: and press <ENTER>. Then type dirand press <ENTER>. Does MS-DOS display the rootdirectory contents for drive D?Yes. Continue to step 5.No. You may have a corrupted boot sector or fileallocation table (FAT) on drive C. Go to step 8.5. Rename your autoexec.bat and config.sys files,remove the operating system diskette from drive A,and reboot the computer. Does the operating systemload now?Yes. You have an error in your autoexec.bat or con-fig.sys file. Use a text editor to examine the contentsof these files and locate the error. For information onthe correct syntax for commands in these files, seethe documentation that accompanied your operatingsystem.No. Continue to step 6.6. Insert your diagnostics diskette into drive A, andreboot the computer. Then run the Hard-DiskDrive Test Group. Does your drive pass all thetests?Yes. Continue to step 7.No. Go to step 8.7. Replace your diagnostics diskette with the operat-ing system diskette, and reboot the computer.Does the operating system load now?Yes. The hard-disk drive may contain a corruptedoperating system or it may have bad sectors. Re-install the operating system as described in thedocumentation that accompanied your operating sys-tem. If reinstalling the operating system does notcorrect the problem, continue to step 8.No. Continue to step 8.8. Call Dell for technical assistance.See Chapter 5, “Getting Help,” for instructions.Troubleshooting an External Keyboardor External KeypadDuring POST, the computer checks to see if an externalkeyboard or keypad is connected. If an external keyboardis connected, the computer recognizes both the built-inand the external keyboards. If an external keypad is con-nected, the computer recognizes the external keypad andthe built-in keyboard, but does not recognize the embed-ded numeric keypad. If an attached external keyboard orkeypad does not work when you boot the computer, make acopy of the Diagnostics Checklist found in Chapter 5 and fillit out as you complete the following procedure.NOTES: If you use a PS/2 “Y” adapter to connect anexternal device to the computer’s PS/2 connector, thedevice does not work.Before you begin this procedure, make sure that the SYS-TEM SWITCH option in the System Setup program is set toON/OFF. For instructions, see “Using the System Setup Pro-gram” in Chapter 2.1. Make sure the cable from the external keyboardor keypad is firmly connected to the external key-board/keypad/mouse connector on the back of thecomputer. (See “Checking Connections” foundearlier in this chapter.)2. If you are using a keyboard with various switchsettings, make sure the switch is set to “PS/2,”“Enhanced XT/AT,” or “PC/AT.”The switch settings are usually on the bottom of thekeyboard, sometimes behind a panel tab.