HP Presario 1600 Presario 1600XL Series Maintenance and Service Guide - Page 84

Preliminary Steps

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Presario 1600 Series Models: 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144, 1600-XL145, 1600-XL146, 1600-XL147, and 1600-XL150 Before You Begin Specifications Removal Sequence Product Description Battery Operations Troubleshooting Parts Catalog Pin Assignments MSG Index Preliminary Steps Clearing the Power-On Password Power-On Self Test (POST) Compaq Diagnostics Diagnostic Error Codes Troubleshooting Without Diagnostics Solving Minor Problems Contacting Compaq Support Troubleshooting 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 IMPORTANT: 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.

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Presario 1600 Series
Models: 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143,
1600-XL144, 1600-XL145, 1600-XL146, 1600-XL147, and 1600-XL150
Before You Begin
Product Description
Parts Catalog
Specifications
Battery Operations
Pin Assignments
Removal Sequence
Troubleshooting
MSG Index
Preliminary
Steps
Clearing the
Power-On
Password
Power-On Self
Test (POST)
Compaq
Diagnostics
Diagnostic
Error Codes
Troubleshooting
Without
Diagnostics
Solving Minor
Problems
Contacting
Compaq
Support
Troubleshooting
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
.