![]() Press the Power button to turn on the computer.Insert the battery and plug the AC adapter back into the notebook computer but do not connect any of the peripheral devices.Press and hold down the Power button for about 15 seconds to drain any residual electrical charge from the capacitors that protect the memory.Remove the battery from the battery compartment.Unplug the AC adapter from the notebook computer.Disconnect all external connected devices: USB storage devices, external displays, printers, etc.Remove the computer from any port replicator or docking station.To perform a hard reset, use the following steps: To resolve the start up or operational problem, you should run the HP Support Assistant, or manually install all updated drivers from Microsoft and HP. You should start and test the computer by itself, and then reconnect one peripheral device at a time. When performing a hard reset, you must disconnect or remove all peripheral devices. An external device stops responding (turn off power to the device in addition to performing the steps in this document).The computer does not return from sleep or suspend mode. ![]() ![]()
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