HP AM872A#ABA Presario Select 1200 Series Maintenance and Service Guide - Page 14

Compaq Presario Series Maintenance and Service Guide

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Presario 1200 Series Models: 1234, 1235, 1236, 1237, 1238, 1240, 1242, 1250, and 1252 Before You Begin Specifications Parts Catalog Removal Sequence Troubleshooting Battery Operations Product Description Pin Assignments Index Preliminary Steps 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. If the problem only occurs when an external device is connected to the computer, the problem may be related to the external IMPORTANT: device or its cable. Verify this by running POST with and without the external device connected. 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.

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Presario 1200 Series
Models: 1234, 1235, 1236, 1237, 1238, 1240, 1242, 1250, and 1252
Before You Begin
Specifications
Parts Catalog
Removal Sequence
Troubleshooting
Battery Operations
Product Description
Pin Assignments
Index
Preliminary Steps
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:
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.
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
.