Solving Problems
39
Keyboard Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions located in the
Product Information Guide
.
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 may lose data if you are unable to perform an operating system shutdown.
C
HECK
THE
KEYBOARD
CABLE
—
• Ensure that the keyboard cable is firmly connected to the computer.
• Reconnect the keyboard cable as shown on the setup diagram for your 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.
T
EST
THE
KEYBOARD
—
Connect a properly working keyboard to the computer, then try using the
keyboard.
R
UN
THE
H
ARDWARE
T
ROUBLESHOOTER
—
See "Resolving Software and Hardware Incompatibilities"
on page 56.
C
HECK
THE
D
IAGNOSTIC
L
IGHTS
—
See "Diagnostic Lights" on page 49.
E
NSURE
THAT
THE
POWER
CABLE
IS
FIRMLY
CONNECTED
TO
THE
COMPUTER
AND
TO
THE
ELECTRICAL
OUTLET
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.
book.book Page 39 Wednesday, August 9, 2006 2:32 PM