Maintenance & Service Guide

Presario 1660 Model

MSG Index Home Page Notice Preface Product Description Troubleshooting Illustrated Parts Catalog Removal & Replacement Procedures Specifications Pin Assignments Battery Pack Operations

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

IMPORTANT: 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.

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HP 1660 manual Preliminary Steps, Run Computer Checkup