Keyboard Problems - Dell Vostro 420 Service Manual

NOTE:
Your computer supports only IEEE 1394a standard.
N S U R E T H A T T H E C A B L E F O R T H E
E
T H E D E V I C E A N D I N T O T H E C O N N E C T O R O N T H E C O M P U T E R
N S U R E T H A T T H E
E
"System Setup Program" on page 129 for assistance.
N S U R E T H A T T H E
E
Windows XP:
1
Click Start and click Control Panel.
2
Under Pick a Category, click Performance and Maintenance
→
Properties Hardware
Windows Vista:
Start
1
Click
2
Click Device Manager.
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
I
"Contacting Dell" on page 137).
F Y O U H A V E P R O B L E M S W I T H A N
I
Contact the IEEE 1394 device manufacturer.

Keyboard Problems

CAUTION:
safety instructions that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
H E C K T H E K E Y B O A R D C A B L E
C
• Ensure that the keyboard cable is firmly connected to the computer.
• Shut down the computer (see "Before Working on Your Computer" on page 35),
reconnect the keyboard cable as shown on the setup diagram for your computer, and
then restart the computer.
• Ensure that the cable is not damaged or frayed and check cable connectors for bent or
broken pins. Straighten any bent pins.
• Remove any keyboard extension cables and connect the keyboard directly to the
computer.
E S T T H E K E Y B O A R D
T
22
Troubleshooting
D E V I C E I S E N A B L E D I N S YS T E M S E T U P
IEEE 1394
D E V I C E I S R E C O G N I Z E D B Y
IEEE 1394
→
Device Manager.
→ Control Panel→ Hardware and Sound.
E L L
D
IEEE 1394
Before you begin any of the procedures in this section, follow the
—
— Connect a properly working keyboard to the computer, and
D E V I C E I S P R O P E R L Y I N S E R T E D I N T O
IEEE 1394
D E V I C E
IEEE 1394
D E V I C E N O T P R O V I D E D B Y
— See
I N D O W S
W —
→ →
System System
— Contact Dell (see
E L L
D —