Dell Dimension 5100, Руководство пользователя

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Using the Keyboard and Touch Pad 53
External Keyboard Problems
NOTE: When you attach
an external keyboard, the
integrated keyboard
remains fully functional.
C
HE C K T H E K EY B O AR D C AB L E
— Shut down the computer (see page 40).
Disconnect the keyboard cable and check it for damage. Firmly reconnect the cable.
If you are using a keyboard extension cable, disconnect it and connect the keyboard
directly to the computer.
C
HE C K T H E EX T E R NA L KE Y B OA R D
—
1
Shut down the computer (see page 40), 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 All 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.
T
O V E R IF Y T H A T T H E P R O BL E M IS W I T H T H E EX T E R N AL K E YB O A RD
,
C HE C K T H E I NT E G R A T ED K EY B O AR D
—
1
Shut down the computer (see page 40).
2
Disconnect the external keyboard.
3
Turn on the computer.
4
From the Windows desktop, click the Start button, point to All 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. Contact Dell (see page 126).
Unexpected Characters
D
IS AB L E T H E N UM ER I C K E YP A D
—
P
ress to disable the numeric
keypad if numbers are displayed instead of letters. Verify that the numbers lock light
is not lit.