Ieee 1394 device problems, Keyboard problems, External keyboard problems – Dell Inspiron 640M User Manual
Page 92
92
Troubleshooting
I
F
YOU
HAVE
PROBLEMS
WITH
AN
E
XPRESS
C
ARD
NOT
PROVIDED
BY
D
ELL
—
Contact the ExpressCard
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
NSURE
THAT
THE
I E E E 1 3 9 4
DEVICE
IS
RECOGNIZED
BY
W
INDOWS
—
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.
I
F
YOU
HAVE
PROBLEMS
WITH
A
D
ELL
-
PROVIDED
I E E E 1 3 9 4
DEVICE
—
Contact Dell or the IEEE 1394 device
manufacturer. See
I
F
YOU
HAVE
PROBLEMS
WITH
AN
I E E E 1 3 9 4
DEVICE
NOT
PROVIDED
BY
D
ELL
—
Contact Dell or the IEEE 1394
device manufacturer. See
E
NSURE
THAT
THE
I E E E 1 3 9 4
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.
C
HECK
THE
KEYBOARD
CABLE
—
Shut down the computer. Disconnect the keyboard cable and check it for
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
HECK
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 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.