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36 Solving Problems
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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
TEST THE KEYBOARD — Connect a properly working keyboard to the computer, and try using the
keyboard.
RUN THE HARDWARE TROUBLESHOOTER — See page 57.
CHECK THE DIAGNOSTIC LIGHTS — See 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
.