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HP Pavilion g4-1064la Notebook PC support

Performing a Hard Reset or Forced Reset

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This document pertains to HP Notebook computers.
A hard or forced reset erases all information in the computer's memory which may restore functionality. Resetting your computer forces the system to clear and reestablish the software connections between the BIOS and the hardware.
Performing a hard or forced reset might fix the following conditions:
  • Windows stops responding.
  • Computer stops before Windows loads - no boot, blinking cursor on a black display, and errors relating to OS not found or a missing drive.
  • Display suddenly goes blank and stays blank.
  • Software freezes.
  • Keyboard stops responding.
  • The computer does not return from sleep or suspend mode.
  • An external device stops responding. (Turn off the power to that device in addition to performing the steps in this document.)
When performing a hard reset, you must disconnect or remove all peripheral devices. You should start and test the computer by itself, and then reconnect one peripheral device at a time. To resolve the start up or operational problem, run HP Support Assistant, or manually install all updated drivers from Microsoft and HP.
Before beginning, turn the computer over and look for a battery compartment door. If there is no battery compartment, use the steps in the sealed or non-removable battery section.

Reset a notebook with a removable battery

View a video on performing a hard or forced reset on your HP notebook with removable battery

To perform a hard reset on a computer with a removable battery, use the following steps:
  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 down the Power button for about 15 seconds to drain any residual electrical charge from the capacitors that protect the memory.
  7. Insert the battery and plug the AC adapter back into the notebook computer, 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, and then press the Enter key.
  10. After reconnecting each of the peripheral devices, run Windows Update and HP Support Assistant to update all device drivers.

Reset a notebook with a sealed or non-removable battery

View a video on performing a hard or forced reset on your HP notebook with non-removable battery

NOTE:You should not attempt to remove a sealed battery as doing so can void your warranty.
To perform a hard reset on a computer with a sealed or non-removable battery, use the following steps:
  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. For most notebooks, press and hold the Power button for 8-10 seconds. If your notebook is listed in the table, use the instructions specific to your PC.
    NOTE:The designated button combination varies by model and production date. If your computer is not listed below, see the User Guide for your specific model for the proper button combination.
    Common Model NameTypically Designated Button Combination
    HP Envy 17 2D and 3DPress and hold the Power and the Beats buttons for 8-10 seconds.
    HP Envy 15-3000 seriesPress and hold the Power and the Beats buttons for 8-10 seconds.
    HP Folio 13Press and hold the Power button for 8-10 seconds.
    HP Envy 14 SPECTREPress and hold the Power and the Mute buttons (on the right side of the palm rest) for 8-10 seconds.
  6. Plug the AC adapter back into the notebook computer, but do not connect any of the peripheral devices.
  7. Press the Power button to turn on the computer.
  8. If a startup menu opens, use the arrow keys to select Start Windows Normally, and then press the Enter key.
  9. After reconnecting each of the peripheral devices, run Windows Update and HP Support Assistant to update all device drivers.
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