Ieee 1394 Device Problems; Keyboard Problems; External Keyboard Problems - Dell Inspiron 640M Owner's Manual

F Y O U H A V E P R O B L E M S W I T H A N
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manufacturer.

IEEE 1394 Device Problems

CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
E N S U R E T H A T T H E IEEE 1394
1 Click the Start button and click Control Panel.
2 Click Printers and Other Hardware.
If your IEEE 1394 device is listed, Windows recognizes the device.
F Y O U H A V E P R O B L E M S W I T H A
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"Contacting Dell" on page 135
manufacturer. See
I F Y O U H A V E P R O B L E M S W I T H A N
device manufacturer. See
Ensure that the IEEE 1394 device is properly inserted into the connector

Keyboard Problems

CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
NOTE:
Use the integrated keyboard when running the Dell Diagnostics or the system setup program. When you
attach an external keyboard, the integrated keyboard remains fully functional.

External Keyboard problems

NOTE:
When you attach an external keyboard, the integrated keyboard remains fully functional.
H E C K T H E K E Y B O A R D C A B L E
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damage, and 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
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 All Programs→ Accessories, and then
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.
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Troubleshooting
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D E V I C E I S R E C O G N I Z E D B Y
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IEEE 1394 D E V I C E N O T P R O V I D E D B Y
"Contacting Dell" on page 135
Shut down the computer. Disconnect the keyboard cable and check it for
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E L L
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W I N D O W S —
D E V I C E
IEEE 1394 — Contact Dell or the IEEE 1394 device
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Contact the ExpressCard
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E L L — Contact Dell or the IEEE 1394