Dell Inspiron 1520 (Mid 2007) - Manual (Page 125)

Troubleshooting
125
Windows Vista
1 Click Start → Control Panel→ Hardware and Sound.
2 Click Device Manager.
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 "Contacting Dell" on page 192).
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 "Contacting Dell" on
page 192).
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.
Fill out the "Diagnostics Checklist" on page 191 as you perform the various
checks.
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, then 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 then turn it on again.
2 Verify that the numbers, capitals, and scroll lock lights on the keyboard
blink during the boot routine.