Dell Inspirion 510m Owner's Manual: External Keyboard Problems

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External Keyboard Problems

NOTE:
When you attach an external keyboard, the integrated keyboard remains fully functional.
C
HECK THE KEYBOARD CABLE
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
H E C K T H E E X T E R N A L K E Y B O A R D
Turn off the computer, wait 1 minute, 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
3
Accessories, and click Notepad.
Type some characters on the external keyboard and verify that they appear on the
4
display.
If you cannot verify these steps, you may have a defective external keyboard.
T
O V E R I F Y T H A T T H E P R O B L E M I S W I T H T H E E X T E R N A L K E Y B O A R D
C H E C K T H E I N T E G R A T E D K E Y B O A R D
Turn off the computer.
1
Disconnect the external keyboard.
2
Turn on the computer.
3
From the Windows desktop, click the Start button, point to Programs, point to
4
Accessories, and click Notepad.
Type some characters on the external keyboard and verify that they appear on the
5
display.
If the characters appear now but did not with the external keyboard, you may
have a defective external keyboard. Contact Dell (see page 127).
Unexpected Characters
D
ISABLE THE NUMERIC KEYPAD
keypad if numbers are displayed instead of letters. Verify that the
numbers lock light is not lit.
58
Using the Keyboard and Touch Pad
— Shut down the computer (see page 39). Disconnect
®
desktop, click the Start button, point to Programs, point to
Press <Num Lk> to disable the numeric
,

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