Why does Windows 7 automatically shutting down when trying to start up?

Nuno.goncalves.it June 19, 2014

I have a Toshiba A300-444 core duo.  When I turn it on, Windows 7 starts to make a hard shutdown but sometimes work normally. Now the problem is more persistent. I cleaned the heat sink, make the memory and hd tests, and change the AC adapter but make the same problem.

  1. Rajaa C
    June 20, 2014 at 2:06 am

    Run a sfc /scannow.

    Here's How:

    Open Command Prompt as an administrator, often referred to as an "elevated" Command Prompt.

    Important: For the sfc /scannow command to work properly, it must be executed from an elevated Command Prompt window in Windows 8, Windows 7 and Windows Vista. This is not required in previous versions of Windows.

    Once Command Prompt is open, type the following command and then press Enter.

    Sfc /scannow
    Note: There's a space between sfc and /scannow.

    Important: If you're trying to use System File Checker from the Command Prompt available from Advanced Startup Options or System Recovery Options, see Tip #1 at the bottom of the page for some changes in how you execute sfc /scannow.

    System File Checker will now verify the integrity of every protected operating system file on your computer.

    This process to check maybe time consuming, but is worth it.

  2. Nuno.goncalves.it
    June 19, 2014 at 6:47 pm

    error voltage disk but i change the hd and problem persist i see the logs behavior

  3. Hovsep A
    June 19, 2014 at 6:42 pm

    is it the same when you boot from live cd, like hirens boot cd, ubuntu boot cd.

    • Nuno.goncalves.it
      June 20, 2014 at 12:56 am

      error voltage disk but i change the hd and problem persist i see the logs behavior

    • Hovsep A
      June 20, 2014 at 6:20 am

      try to see your hard disk health, any warnings

  4. Bruce E
    June 19, 2014 at 6:27 pm

    Open the Event Viewer and look for Warnings and Errors in the System log.

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