External keyboard problems – Dell Vostro 500 (Mid 2009) User Manual

Page 89

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Troubleshooting

89

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, then firmly reconnect the cable.

If you are using a keyboard extension cable, disconnect it and connect the
keyboard directly to the computer.

C

HECK

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.

T

O

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.
4 From the Windows desktop, click Start → All Programs→ Accessories→

Notepad.

5 Type some characters on the internal 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. Contact Dell (see "Contacting
Dell" on page 132).

R

UN

THE

KEYBOARD

DIAGNOSTICS

TESTS

Run the PC-AT Compatible

Keyboards tests in the Dell Diagnostics (see "Dell Diagnostics" on page 75). If
the tests indicate a defective external keyboard, contact Dell (see "Contacting
Dell" on page 132).

book.book Page 89 Thursday, August 7, 2008 5:00 PM

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