HP Nw9440 HP Compaq nx9420 and nx9440 Notebook PC - Maintenance and Service Gu - Page 40
Flowchart 2.2-No Power, Part 1
UPC - 882780782174
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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. Reset the power cables in the docking device and at the AC outlet. 2. Be sure the AC power source is active. 3. Be sure that the power strip is working. *NOTES 1. On select computer models, there is a separate reset button. 2. On select computer models, the computer can be reset using the standby switch and either the lid switch or the main power switch. Done Y N Power up in docking device? Go to "Flowchart 2.8-Nonfunctioning Docking Device (if applicable)." 2-12 Maintenance and Service Guide