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Solving Problems 49
Keyboard Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide.
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.
External Keyboard Problems
NOTE: When you attach an external keyboard, the integrated keyboard remains fully functional.
A REQUIRED .DLL FILE WAS NOT FOUND — The program that you are trying to open is missing an
essential file. Remove and then reinstall the program.
1
Click the
Start
button and click
Control Panel
.
2
Click
Add or Remove Programs
.
3
Select the program you want to remove.
4
Click
Remove
or
Change/Remove
and follow the prompts on the screen.
5
See the program documentation for installation instructions.
<DRIVE LETTER>:\ IS NOT ACCESSIBLE. THE DEVICE IS NOT READY — Insert a disk into the drive
and try again.
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.