Unexpected Characters - Dell Inspiron 4150 User Manual

Solving Problems: Dell Inspiron 4150
HINT: When you attach an external keyboard, the integrated keyboard remains fully
functional.
Check 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.
Check the external keyboard —
1. Shut down 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.
To 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 the Start button, 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 the characters appear now but did not with the external keyboard, you may have a
defective external keyboard. Contact Dell. See your Owner's Manual for contact
information.

Unexpected Characters

Disable the numeric keypad —
are displayed instead of letters. Verify that the numbers lock light is not lit.
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Shut down the computer. Disconnect the keyboard cable
Press to disable the numeric keypad if numbers