Dell Vostro 400 (Mid 2007) - Manual (Page 66)

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Solving Problems
Keyboard Problems
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information 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
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" on page 102),
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.
E NSURE THAT THE U S B PORTS ARE ENABLED IN THE SYSTEM SETUP
PROGRAM — See "System Setup" on page 174)
R UN THE H ARDWARE T ROUBLESHOOTER — See "Restoring Your Operating
System" on page 93.
Ensure that the power cable is firmly connected to the computer and to the
electrical outlet.