Troubleshooting: Dell Latitude D620 User's Guide
external keyboard. Contact Dell (see
Contacting Dell
).
Run the keyboard diagnostics tests
Run the PC-AT Compatible Keyboards tests in the Dell
Diagnostics (see
Dell Diagnostics
). If the tests indicate a defective external keyboard, contact Dell (see
Contacting Dell
).
Unexpected characters
Disable the numeric keypad
Press <Num Lk> to disable the numeric keypad if numbers are
displayed instead of letters. Verify that the numbers lock light is not lit.
Lockups and Software Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety
instructions in the
Product Information Guide
.
The computer does not start up
Ensure that the AC adapter is firmly connected to the computer and to the electrical outlet.
The computer stops responding
NOTICE:
You might lose data if you are unable to perform an operating system shutdown.
Turn the computer off
If you are unable to get a response by pressing a key on your keyboard or
moving your mouse, press and hold the power button for at least 8 to 10 seconds until the computer
turns off. Then restart your computer.
A program stops responding
A program crashes repeatedly
NOTE:
Software usually includes installation instructions in its documentation or on a floppy
disk or CD.
End the program
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