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Maintenance & Service Guide
Presario 2250 Series
2510, 2410 ES & 4240 ES Personal Computers

Home  |   Preface    |   Product Description   |   Troubleshooting   |   Illustrated Parts   |    Removal & Replacement
Jumpers & Switches   |   Specifications   |   Connector Pins    |   Power Cord Requirements


Preparing the Computer

If you encounter an error condition, complete the following steps before starting problem isolation procedures:

1.Ensure proper ventilation. The computer should have a 3-inch (7.6-cm) clearance
at the back of the system unit.

2.Turn off the computer and peripheral devices.

CAUTION.GIF (182 bytes)

CAUTION:Make sure the power is off before disconnecting or reconnecting the mouse, keyboard, or any other peripheral devices. Disconnecting or connecting peripheral devices while the unit power is on can damage the system board.


3.Disconnect any peripheral devices other than the monitor and keyboard. Do not disconnect the printer if you want to test it or use it to log error messages.

4.Install loop-back and terminating plugs for complete testing.

 

 

 
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