Dell PP20L Laptop User Manual


 
90 Solving Problems
IF YOU HAVE PROBLEMS WITH AN IEEE 1394 DEVICE NOT PROVIDED BY DELL Contact Dell or the IEEE
1394 device manufacturer. See "Contacting Dell" on page 133.
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.
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.
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
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.
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
Accessories
, and click
Notepad
.
5
Type some characters on the internal 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 "Contacting Dell" on page 133.
RUN THE KEYBOARD DIAGNOSTICS TESTS
Run the PC-AT Compatible Keyboards tests in the Dell
Diagnostics
(see "Dell Diagnostics" on page 79)
. If the tests indicate a defective external keyboard, contact
Dell.
See "Contacting Dell" on page 133.
book.book Page 90 Friday, June 29, 2007 4:59 PM