HP Pavilion dv9400 HP Pavilion dv9000 Notebook PC - Maintenance and Service Gu - Page 48
Flowchart 2.2-No Power, Part 1, Maintenance and Service Guide, Troubleshooting
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Troubleshooting Flowchart 2.2-No Power, Part 1 No power (power LED is off). Remove from docking device (if applicable). N Power up on battery power? Y Reset power.* N Power up on battery power? Y Go to "Flowchart 2.3-No Power, Part 2." N Power up on AC power? Y Reset power.* N Power up on AC power? Y Go to "Flowchart 2.4-No Power, Part 3." Y Power up in docking Done device? N 1. Reseat the power cables in the docking device and at the AC outlet. 2. Ensure the AC power source is active. 3. Ensure that the power strip is working. Y N Power up Done in docking device? *NOTES 1. On select models, there is a separate reset button. 2. On select models, the computer can be reset using the standby switch and either the lid switch or the main power switch. Go to "Flowchart 2.8-Nonfunctioning Docking Device (if applicable)." 2-18 Maintenance and Service Guide