DELL inspiron 4100 User Manual

Solving Problems: Dell Inspiron 4100

 Shut down the computer. 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.

 

1.  Turn off the computer, 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 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. 

 

1.  Turn off the computer. 

2.  Disconnect the external keyboard. 

3.  Turn on the computer. 

4.  From the Windows desktop, click the Start button, point to Programs, point to 

Accessories, and click Notepad. 

5.  Type some characters on the integrated 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.

When you attach an external keyboard, the integrated keyboard remains fully 

functional. 

 Press 

 to disable the numeric keypad if numbers 

are displayed instead of letters. Verify that the numbers lock light is not lit.

.

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