User's Manual
Table Of Contents
- Dell™ Latitude™ D400
- Finding Information
- About Your Computer
- Using Microsoft® Windows® XP
- Dell™ QuickSet Features
- Using the Keyboard and Touch Pad
- Using the Display
- Using the Dell™ D/Bay
- Using a Battery
- Power Management
- Using PC Cards
- Using Smart Cards
- Traveling With Your Computer
- Passwords
- Solving Problems
- Power Problems
- Error Messages
- Video and Display Problems
- Sound and Speaker Problems
- Printer Problems
- Modem and Internet Connection Problems
- Touch Pad or Mouse Problems
- External Keyboard Problems
- Unexpected Characters
- Drive Problems
- PC Card Problems
- Smart Card Problems
- Network Problems
- General Program Problems
- If Your Dell™ Computer Gets Wet
- If You Drop or Damage Your Computer
- Resolving Other Technical Problems
- Using the Dell Diagnostics
- Cleaning Your Computer
- Reinstalling Software
- Adding and Replacing Parts
- Using the System Setup Program
- Alert Standard Format (ASF)
- Getting Help
- Specifications
- Appendix
- Glossary
Solving Problems 121
FI LE LOCATI ON: S:\SYSTEM S\Pebble\UG\A00\English\problems.fm
DELL CONFI DENTI AL – PRELI MI NARY 1/29/03 – FOR PROOF ONLY
NOTE: Use the
integrated keyboard when
working in MS-DOS
®
mode or when running the
Dell Diagnostics or the
system setup program.
When you attach an
external keyboard, the
integrated keyboard
remains fully functional.
CHECK THE KEYBOARD CABLE — Shut down the computer. Disconnect
the keyboard cable and check it for damage, and firmly reconnect the cable.
If you are using a keyboard extension cable, disconnect it and connect the
keyboard directly to the computer.
CHECK THE EXTERNAL KEYBOARD —
1 Shut down the computer, wait 1 minute, and turn it on again.
2 Verify that the numbers, capitals, and scroll lock lights on the keyboard blink
during the boot routine.
3 From the Windows desktop, click the Start button, point to Programs, point
to Accessories, and click Notepad.
4 Type some characters on the external keyboard and verify that they appear on
the display.
If you cannot verify these steps, you may have a defective external keyboard.
TO VERIFY THAT THE PROBLEM I S WI TH THE EXTERNAL KEYBOARD,
CHECK THE I NTEGRATED KEYBOARD —
1 Shut down the computer.
2 Disconnect the external keyboard.
3 Turn on the computer.
4 From the Windows desktop, click the Start button, point to Programs, point
to Accessories, and click Notepad.
5 Type some characters on the external keyboard and verify that they appear on
the display.
If the characters appear now but did not with the external keyboard, you may
have a defective external keyboard.
RUN THE KEYBOARD DIAGNOSTI CS TESTS — Run the PC-AT Compatible
Keyboards tests in the
Dell Diagnostics. If the tests indicate a defective external
keyboard,
contact Dell.