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Diagnosing and recovering from problems
10-7
Solving hardware and software problems
Solving hardware problems
Table 1: Hardware problems
If the problem is: Here's what to do:
Screen is black (no error
code); beep during power
on self-test (POST).
If you installed memory modules or adapter cards, make
sure you installed them correctly. For instructions on
installing memory modules on your system board, see
”Installing memory modules” on page 9-9. For instructions
on installing adapter cards in your system unit, see ”Adding
and removing adapter cards” on page 8-4.
Error code (and
description), more than
one beep in self-test, or
continuous beep occurs
If an error code or message appears, refer to the section
”Error codes and messages” on page 10-17.
Computer turns off without
warning
1. If mouse movement wakes the monitor, your monitor
was in standby.
2. If computer power on light is blinking, your system is in
Standby mode. Press the power on button to take the
system out of Standby mode.
3. Make sure that the system unit and monitor power
cords are securely plugged into electrical outlets.
4. Make sure that the cables are correctly and securely
connected to the system unit.
5. Check for a blown fuse, tripped circuit breaker, or
power failure.
6. Unplug the system unit power cord from the electrical
outlet, wait 10 seconds, and then plug the power cord
back into the electrical outlet. If the computer does not
start immediately, push the power button on the
system unit.
7. If you have added hardware inside the system unit,
make sure the power cable connectors are securely
attached.
Note:
If any of these problems continue after taking the actions listed, see "HelpWare
support and services" on page 2-1 for information on obtaining service.