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Dell Dimension C521 Manual de usuario Pagina 35

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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 .DLL 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. THE DEVICE IS NOT READY — The drive cannot read the disk.
Insert a disk into the drive and try again.
INSERT BOOTABLE MEDIA — Insert a bootable floppy disk or CD.
NON-SYSTEM DISK ERROR — Remove the floppy disk from the drive and restart your computer.
NOT ENOUGH MEMORY OR RESOURCES. CLOSE 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.
OPERATING SYSTEM NOT FOUND — Contact Dell (see
"Contacting Dell" on page 108
).
CHECK 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.
TEST THE KEYBOARD — Connect a properly working keyboard to the computer. Then, try using the
keyboard.
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3com 3CNJ100-CRM-20 manuals

Owner’s manuals and user’s guides for Network switches 3com 3CNJ100-CRM-20.
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Table of contents

IntelliJack

1

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INTELLIJACK

4

SWITCH F

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