Keyboard Problems; Lockups And Software Problems - Dell precision t7400 Quick Reference Manual

Windows Vista:
Start
Click
1
Click Device Manager.
2
If your IEEE 1394 device is listed, Windows recognizes the device.
E
N S U R E T H A T T H E
E
N S U R E T H A T T H E
B O A R D C O N N E C T O R A N D T H E C O N N E C T O R O N T H E F R O N T I
I
F Y O U H A V E P R O B L E M S W I T H A
(see "Contacting Dell" in your User's Guide).
I
F Y O U H A V E P R O B L E M S W I T H A N
Contact the IEEE 1394 device manufacturer.

Keyboard Problems

CAUTION:
safety instructions in the
C
H E C K T H E K E Y B O A R D C A B L E
• Ensure that the keyboard cable is firmly connected to the computer.
• Shut down the computer (see "Turning Off Your Computer" in your User's Guide),
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.
T
E S T T H E K E Y B O A R D
then try using the keyboard.
R H
U N T H E A R D W A R E
in your User's Guide.

Lockups and Software Problems

CAUTION:
safety instructions in the
The computer does not start up
C
H E C K T H E D I A G N O S T I C L I G H T S
E
N S U R E T H A T T H E P O W E R C A B L E I S F I R M L Y C O N N E C T E D T O T H E C O M P U T E R A N D T O
T H E E L E C T R I C A L O U T L E T
42
Quick Reference Guide
→ Control Panel→ Hardware and Sound.
I E E E 1 3 9 4
C A R D I S P R O P E R L Y S E A T E D
I E E E 1 3 9 4
C A B L E I S C O N N E C T E D S E C U R E L Y T O T H E S YS T E M
D
E L L
I E E E 1 3 9 4
Before you begin any of the procedures in this section, follow the
Product Information Guide
—
— Connect a properly working keyboard to the computer, and
T
R O U B L E S H O O T E R
Before you begin any of the procedures in this section, follow the
Product Information Guide
— See "Diagnostic Lights" on page 26.
I E E E 1 3 9 4
D E V I C E
D E V I C E N O T P R O V I D E D B Y
.
— See "Restoring Your Operating System"
.
/
O P A N E L
— Contact Dell
D
E L L
—