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Computer Does not Start (Windows 7, Vista, XP)

This document pertains to HP Notebook PCs with Windows 7, Vista, and XP.
This document lists the symptoms you see if the computer does not start, provides an overview of the complete troubleshooting process, and links to other documents with step-by-step details to restore the computer to proper operation. If your computer does not startup or boot into Windows, use this document to troubleshoot and correct the problem.
DO THIS FIRST - Perform a hard reset
If the computer suddenly fails to startup properly, perform a hard reset as the first action. Performing the hard reset will correct many problems. If the computer still does not start properly, select your symptom from the list below to guide you to the recommended corrective actions.
  1. Disconnect all peripheral devices and remove all USB devices and SD media cards.
  2. Disconnect the AC power adapter, remove the battery, and then press and hold the power button for at least 15 seconds to drain all residual power and restore default startup settings.
    If your computer has a sealed battery that cannot be removed, then perform a forced reset as shown in the HP support document, Use a Forced Reset to Resolve Hardware and Software Issues on Notebook with a Sealed Non-Removable Battery.
  3. Reconnect the AC power adapter (but do not insert the battery), press the Power button, look for glowing lights near the caps lock and num lock keys, and listen for sounds of a fan or other moving parts turning.
If the computer starts normally after performing a hard reset, you are done troubleshooting. Otherwise, select the symptom below that best describes your issue and perform the troubleshooting steps provided.


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