Dell Dimension C521, Owner'S Manual

Page: 36 / 140

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.