External Keyboard Problems - Dell Inspiron 4100 Solution Manual

2H767bk0.book Page 48 Friday, September 28, 2001 1:37 PM
48 So l v i n g P r o bl e m s
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O V E R I FY TH A T T HE P R O B L E M I S W I T H T HE M O U S E
T
T O U C H PA D
Turn off the computer.
1
Disconnect the mouse.
2
Turn on the computer.
3
At the Windows desktop, use the touch pad to move the cursor around, select
4
an icon, and open it.
If the touch pad operates correctly, the mouse may be defective.
R E I NS T A LL TH E TO UC H P A D D R I V E R

External Keyboard Problems

C H E C K T HE KE Y B O A R D C A B LE
Disconnect the keyboard cable and check it for damage. For PS/2 cables, check
the cable connector for bent or broken pins. Firmly reconnect the cable.
If you are using a keyboard extension cable, disconnect it and connect the
keyboard directly to the computer.
H E C K T HE E X T E R N A L K E Y B O A R D
C
Turn off the computer, wait 10 to 20 seconds, and turn it on again.
1
Verify that the numbers, capitals, and scroll lock lights on the keyboard blink
2
during the boot routine
From the Windows XP desktop, click Start, point to All Programs, point to
3
Accessories, and click Notepad.
From the Windows Me or Windows 2000 desktop, click Start, point to
4
Programs, point to Accessories, and click Notepad.
Type some characters on the external keyboard and verify that they appear on
5
the display.
If you cannot verify these steps, you may have a defective external keyboard.
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C H E C K TH E
,
— See page 58.
— Shut down the computer (see page 24).