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HP PCs - Computer Does Not Start (Windows 7)

This document applies to all HP and Compaq desktop, All-in-One, and HP TouchSmart computers that come with Windows 7.
This document provides possible solutions to many common computer startup issues. Select the symptom that most closely matches your computer’s symptom from the following list to find a solution to the problem. If you cannot find a symptom that matches your computer's symptom, then continue to Step 3 for steps to check if the hard drive is detected in BIOS.
Step 1: Removing discs and devices to test a computer that does not start
Remove any discs, any and all USB devices, and remove memory cards from the card reader slot. Disconnect all non-essential devices (printers, scanners, external hard drives, and similar). Do not have anything connected to your computer except for a keyboard and mouse.
After you have removed all discs and devices, turn on the computer. What happens?
  • If the computer starts, reconnect devices one at a time while restarting the computer to figure out which disc or device is causing the problem. You are done.
  • If the computer still does not start and exhibits the same problem, press and hold the power button to turn off the computer, do not connect anything and continue troubleshooting.
Step 2: Finding the symptom that matches your computer's symptom to troubleshoot startup issues
Read the following list of symptoms. If you find a symptom that matches your computer's symptom, click the corresponding link. This link takes you either to a support document that contains troubleshooting steps for your computer’s issue or to the general troubleshooting steps provided in Step 3. If you cannot find a symptom that matches your computer's symptom, see Step 3 for steps to check if the hard drive is detected in BIOS.
Step 3: Checking if the hard drive is detected in BIOS
Perform the following steps to determine if the hard drive is detected in BIOS:
  1. Remove any media from the floppy drives, CD/DVD drives, USB ports, and memory card reader slots, and then disconnect all non-essential devices (printers, scanners, external hard drives, and similar). Leave only the keyboard, mouse, and monitor connected to the computer.
  2. Turn on the computer, and then press the F10 key repeatedly at the first screen to open the BIOS Setup tool.
  3. Verify that a hard drive name is listed from the main screen.
    Figure : Example of a hard drive name listed in the BIOS (Western Digital)
    • If the hard drive name is listed, exit the BIOS without saving any changes, and then continue with the steps in the Hard drive is detected section.
    • If the hard drive name is missing, or the text Auto or None is listed, exit BIOS without saving any changes, and then continue with the steps in the Hard drive is not detected section.

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Country: United States

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