Lockups And Software Problems; The Computer Does Not Start Up; The Computer Stops Responding; A Program Stops Responding - Dell Precision NT499 User Manual

• 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
try using the keyboard.
R U N T H E H A R D W A R E
page 107.

Lockups and Software Problems

CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.

The computer does not start up

H E C K T H E D I A G N O S T I C L I G H T S
C
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

The computer stops responding

NOTICE:
You may lose data if you are unable to perform an operating system
shutdown.
U R N T H E C O M P U T E R O F F
T
your keyboard or moving your mouse, press and hold the power button for at least 8 to
10 seconds (until the computer turns off), and then restart your computer.

A program stops responding

E N D T H E P R O G R A M
1
Press <Ctrl><Shift><Esc> simultaneously to access the Task Manager.
2
Click the Applications tab.
3
Click to select the program that is no longer responding.
4
Click End Task.

A program crashes repeatedly

NOTE:
Most software includes installation instructions in its documentation or on a
floppy disk, CD, or DVD.
— Connect a properly working keyboard to the computer, then
T R O U B L E S H O O T E R
— See "Diagnostic Lights" on page 100.
— If you are unable to get a response by pressing a key on
—
— See "Hardware Troubleshooter" on
Troubleshooting
119