Lockups And Software Problems; The Computer Does Not Start Up; The Computer Stops Responding; A Program Stops Responding - Dell Dimension C521 Owner's Manual

R U N T H E H A R D W A R E
on page 54.

Lockups and Software Problems

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

The computer does not start up

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

The computer stops responding

NOTICE:
You might lose data if you are unable to perform an operating system shutdown.
T U R N T H E C O M P U T E R O F F
moving your mouse, press and hold the power button for at least 8 to 10 seconds until the computer
turns off, 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.
2
Click Applications.
3
Click the program that is no longer responding.
4
Click End Task.

A program crashes repeatedly

NOTE:
Software usually includes installation instructions in its documentation or on a floppy disk or CD.
C H E C K T H E S O F T W A R E D O C U M E N T A T I O N
36
Solving Problems
T R O U B L E S H O O T E R — See "Resolving Software and Hardware Incompatibilities"
L I G H T S — See "Power Light and Diagnostic Lights" on page 47.
O W E R C A B L E I S F I R M L Y
— If you are unable to get a response by pressing a key on your keyboard or
— If necessary, uninstall and then reinstall the program.
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