Dell Dimension C521 - Manual (Page 35)

Solving Problems
35
Keyboard Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions located in the
Product Information Guide.
A REQUIRED . D L L FILE WAS NOT FOUND — The program that you are trying to open is missing an
essential file. To remove and then reinstall the program:
1 Click the Start button, click Control Panel, and then click Add or Remove Programs.
2 Select the program you want to remove.
3 Click the Change or Remove Program icon.
4 See the program documentation for installation instructions.
drive letter :\ IS NOT ACCESSIBLE . T HE DEVICE IS NOT READY — The drive cannot read the disk.
Insert a disk into the drive and try again.
I NSERT BOOTABLE MEDIA — Insert a bootable floppy disk or CD.
N ON - SYSTEM DISK ERROR — Remove the floppy disk from the drive and restart your computer.
N OT ENOUGH MEMORY OR RESOURCES . C LOSE SOME PROGRAMS AND TRY AGAIN — Close all
windows and open the program that you want to use. In some cases, you might have to restart your
computer to restore computer resources. If so, run the program that you want to use first.
O PERATING SYSTEM NOT FOUND — Contact Dell (see "Contacting Dell" on page 108).
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 59), 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 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.