Compaq.com - Compaq Presario Maintenance and Service Guide - 2250, 2410 ES, 2510, and 4240 ES Series
United States December 10, 2002
Maintenance & Service Guide
Presario 2250 Series
2510, 2410 ES & 4240 ES Personal Computers
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Preparing the Computer
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
: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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