Keyboard Problems
CAUTION:
Product Information Guide.
C
HECK THE KEYBOARD CABLE
• Ensure that the keyboard cable is firmly connected to the computer.
• Shut down the computer (see page 18), reconnect the keyboard cable as shown on the setup diagram for
your computer, and then restart the computer.
• Check the cable connector for bent or broken pins and for damaged or frayed cables. Straighten bent
pins.
• Remove keyboard extension cables and connect the keyboard directly to the computer.
T
EST THE KEYBOARD
If the new keyboard works, the original keyboard is faulty.
C
HECK FOR INTERRUPT REQUEST CONFLICTS
Lockups and Software Problems
CAUTION:
Product Information Guide.
The computer does not start up
HECK THE
IAGNOSTIC
C
D
NSURE THAT THE
E
The computer stops responding
NOTICE:
T
URN THE COMPUTER OFF
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.
24
Solving Problems
Before you begin any of the procedures in this section, follow the safety instructions in the
—
— Connect a properly working keyboard to the computer, and try using the keyboard.
— See page 44.
Before you begin any of the procedures in this section, follow the safety instructions in the
IGHTS
— See page 35.
L
OWER
ABLE IS
IRMLY
ONNECTED TO
P
C
F
C
You might lose data if you are unable to perform an operating system shutdown.
— If you are unable to get a response by pressing a key on your keyboard or
HE
OMPUTER AND TO
HE
LECTRICAL
T
C
T
E
UTLET
O