Dell Dimension 4700 - Manual (Page 26)

26
Solving Problems
www
.dell.com | support.dell.com
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 might 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.
• Shut down the computer (see page 47), 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 — Connect a properly working keyboard to the computer, and try using the
keyboard.
R UN THE H ARDWARE T ROUBLESHOOTER — See page 46.
C HECK THE D IAGNOSTIC L IGHTS — See page 37.
E NSURE THAT THE P OWER C ABLE IS F IRMLY C ONNECTED TO T HE C OMPUTER AND TO T HE E LECTRICAL O UTLET
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. Then restart your computer.