Compaq 1245 Presario 1245 Series Maintenance and Service Guide - Page 87
Preliminary Steps, If the problem only occurs when an external device is connected to the computer
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Maintenance & Service Guide Presario 1200 Series Model: 1245 | 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. 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 that 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 these preliminary steps are completed, you are ready to run POST. Return to Troubleshooting index page.