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Solving problems, Troubleshooting tips, Battery problems – Dell OptiPlex 740 User Manual

Page 186: Card problems

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Solving Problems

Dell™ OptiPlex™ 740 Systems 

User's Guide

 

Troubleshooting Tips

Follow these tips when you troubleshoot your computer:

l

 

If you added or removed a part before the problem started, review the installation procedures and ensure that the part is correctly installed.

l

 

If a peripheral device does not work, ensure that the device is properly connected.

l

 

If an error message appears on the screen, write down the exact message. This message may help technical support personnel diagnose and fix the

problem(s).

l

 

If an error message occurs in a program, see the program's documentation.

 

Battery Problems

Fill out the

Diagnostics Checklist

as you complete these checks.

 

 

 

Card Problems

Fill out the

Diagnostics Checklist

as you complete these checks.

 

 

  

Troubleshooting Tips

  

Battery Problems

  

Card Problems

  

Drive Problems

  

E-Mail, Modem, and Internet Problems

  

Keyboard Problems

  

Fan Problems

  

Lockups and Software Problems

  

Media Card Reader Problems

  

Memory Problems

  

Mouse Problems

  

Network Problems

  

Power Problems

  

Printer Problems

  

Restoring Default Settings

  

Serial or Parallel Device Problems

  

Sound and Speaker Problems

  

Video and Monitor Problems

CAUTION:

There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent type

recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions.

CAUTION:

Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

 

Replace the battery  —

 

If you have to repeatedly reset time and date information after turning on the computer, or if an incorrect time or

date displays during start-up, replace the battery (see

Replacing the Battery

). If the battery still does not work properly, contact Dell (see

Contacting Dell

).

CAUTION:

Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

CAUTION:

To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

NOTICE:

To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your

computer's electronic components. You can do so by touching an unpainted metal surface on the computer.

 

Check the card seating and cable  —

 

1.

 

Turn off the computer and devices, disconnect them from their electrical outlets, wait 10 to 20 seconds, and then remove the

computer cover (see

Removing the Computer Cover

for mini tower computers, or

Removing the Computer Cover

for desktop

computers).

2.

 

Ensure that each card is firmly seated in its connector. Reseat any loose cards.

3.

 

Ensure that all cables are firmly connected to their corresponding connectors on the cards. If any cables appear loose, reconnect

them.

For instructions on which cables should be attached to specific connectors on a card, see the card's documentation.

4.

 

Close the computer cover (see

Replacing the Computer Cover

), reconnect the computer and devices to electrical outlets, and then