Hard reset a notebook with removable battery

Use the following steps to perform a hard reset on notebooks with removable batteries.
  1. Turn off the computer.
  2. Remove the computer from any port replicator or docking station.
  3. Disconnect all external connected peripheral devices, such as USB storage devices, external displays, and printers.
  4. Unplug the AC adapter from the computer.
  5. Remove the battery from the battery compartment.
  6. Press and hold the Power button for about 15 seconds to drain residual electrical charge from the capacitors that protect the memory.
  7. Insert the battery and plug the AC adapter back in to the notebook, but do not connect any of the peripheral devices.
  8. Press the Power button to turn on the computer.
  9. If a startup menu opens, use the arrow keys to select Start Windows Normally, then press the Enter key.
  10. Reconnect each of the peripheral devices.
After you have completed these steps, run Windows Update and HP Support Assistant to update all device drivers.

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