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Before running POST, complete the following preliminary steps: |
1. If a power-on password
has been established, type the password and press the Enter key. If the
password is not known, clear the password . |
2. Run Computer
Checkup. |
3. Turn off the computer and
its external devices. |
4. Disconnect any external
devices that you do not want to test. Do not disconnect the printer if you want to test it
or use it to log error messages. |
IMPORTANT: |
IMPORTANT:
If the problem only occurs when an external device is connected to the computer,
the problem may be related to the external device or its cable. Verify this by running
POST with and without the external device connected.
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5. Install
loopback plugs in the serial and parallel connectors if you would like to test these
ports. |
6. Ensure
the hard drive is installed in the computer. |
7. Ensure
that the battery pack is inserted in the computer and the computer is connected to an
external AC power source. |
When the
preliminary steps are completed, you are ready to run POST. |