Dell Inspiron 4100 - Manual (Page 48)

48 So l v i n g P r o bl e m s
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External Keyboard Problems
T O V E RI FY TH AT T HE PR O BL E M I S W IT H T HE MO U S E , CH E CK TH E
T OU CH PA D
1 Turn off the computer.
2 Disconnect the mouse.
3 Turn on the computer.
4 At the Windows desktop, use the touch pad to move the cursor around, select
an icon, and open it.
If the touch pad operates correctly, the mouse may be defective.
R E INS T A LL TH E TO UC H PA D DR I VE R — See page 58.
C HE CK T HE KE Y B OA R D CA B LE — Shut down the computer (see page 24).
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.
C HE CK T HE EXT E RN A L K EY B O A RD
1 Turn off the computer, wait 10 to 20 seconds, 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 XP desktop, click Start, point to All Programs, point to
Accessories, and click Notepad.
4 From the Windows Me or Windows 2000 desktop, click Start, point to
Programs, point to Accessories, and click Notepad.
5 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.
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