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.
RUN THE HARDWARE TROUBLESHOOTER — See 
"Resolving Software and Hardware Incompatibilities" 
on page 54
.
CHECK THE DIAGNOSTIC LIGHTS — See 
"Power Light and Diagnostic Lights" on page 47
.
ENSURE THAT THE POWER CABLE IS FIRMLY CONNECTED TO THE COMPUTER AND TO THE 
E
LECTRICAL OUTLET
TURN 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.
END THE PROGRAM —
1
Press <Ctrl><Shift><Esc> simultaneously.
2
Click 
Applications
.
3
Click the program that is no longer responding.
4
Click 
End Task
.
CHECK THE SOFTWARE DOCUMENTATION — If necessary, uninstall and then reinstall the program.