Dell Dimension C521 - Manual (Page 36)

36
Solving Problems
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
The computer stops responding
NOTICE:
You might lose data if you are unable to perform an operating system shutdown.
A program stops responding
A program crashes repeatedly
NOTE:
Software usually includes installation instructions in its documentation or on a floppy disk or CD.
R UN THE H ARDWARE T ROUBLESHOOTER — See "Resolving Software and Hardware Incompatibilities"
on page 54.
C HECK THE D IAGNOSTIC L IGHTS — See "Power Light and Diagnostic Lights" on page 47.
E NSURE THAT THE P OWER C ABLE IS F IRMLY C ONNECTED TO T HE C OMPUTER AND TO T HE
E LECTRICAL O UTLET
T URN THE COMPUTER OFF — If you are unable to get a response by pressing a key on your keyboard or
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.
E ND THE PROGRAM —
1 Press <Ctrl><Shift><Esc> simultaneously.
2 Click Applications.
3 Click the program that is no longer responding.
4 Click End Task.
C HECK THE SOFTWARE DOCUMENTATION — If necessary, uninstall and then reinstall the program.