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Troubleshooting 119
• Ensure that the cable is not damaged or frayed and check cable connectors for bent or
broken pins. Straighten any bent pins.
• Remove any keyboard extension cables and connect the keyboard directly to the
computer.
TEST THE KEYBOARD — Connect a properly working keyboard to the computer, then
try using the keyboard.
R
UN THE HARDWARE TROUBLESHOOTER — See "Hardware Troubleshooter" on
page 107.
Lockups and Software Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
The computer does not start up
CHECK THE DIAGNOSTIC LIGHTS — See "Diagnostic Lights" on page 100.
E
NSURE THAT THE POWER CABLE IS FIRMLY CONNECTED TO THE COMPUTER AND TO
THE ELECTRICAL OUTLET
The computer stops responding
NOTICE: You may lose data if you are unable to perform an operating system
shutdown.
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), and then restart your computer.
A program stops responding
END THE PROGRAM —
1
Press <Ctrl><Shift><Esc> simultaneously to access the Task Manager.
2
Click the
Applications
tab.
3
Click to select the program that is no longer responding.
4
Click
End Task
.
A program crashes repeatedly
NOTE: Most software includes installation instructions in its documentation or on a
floppy disk, CD, or DVD.