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104 Troubleshooting
Keyboard Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
Fill out the "Diagnostics Checklist" on page 163 as you perform the various
checks.
NOTE: Use the integrated keyboard when running the Dell Diagnostics or the
system setup program. When you attach an external keyboard, the integrated
keyboard remains fully functional.
External Keyboard problems
NOTE: When you attach an external keyboard, the integrated keyboard remains
fully functional.
C
HECK THE KEYBOARD CABLE — Shut down the computer, disconnect the
keyboard cable and check it for damage, and then 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 then 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
Start
→
All Programs
→
Accessories
→
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 IS WITH THE EXTERNAL KEYBOARD, CHECK THE
INTEGRATED KEYBOARD —
1
Shut down the computer.
2
Disconnect the external keyboard.
3
Turn on the computer.
book.book Page 104 Tuesday, October 7, 2008 6:00 PM