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42 Quick Reference Guide
Keyboard Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
C
HECK THE KEYBOARD CABLE —
• Ensure that the keyboard cable is firmly connected to the computer.
• Shut down the computer (see "Turning Off Your Computer"
in your User’s Guide
),
reconnect the keyboard cable as shown on the setup diagram for your computer, and
then restart the computer.
• 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, and
then try using the keyboard.
R
UN THE HARDWARE TROUBLESHOOTER — See "Restoring Your Operating System"
in your User’s Guide.
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 26.
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
.