Operating System Not Found

  1.    05 Sep 2008 #1
    Join Date : Sep 2008
    Posts : 1
    Vista Basix 32bit
    Local Time: 03:26

    Operating System Not Found


    i have a Windows Vista Basic laptop, i've had it for a year now and no problems but a few days ago it was working all good until i shut it down. properly.
    and then when i turned it on it only comes in a blank black screen only saying Operating system not found.

    if u know how to fix it please post in the forums

    Thank you
      My System SpecsSystem Spec

  2.    05 Sep 2008 #2
    Join Date : Apr 2007
    Texas, USA
    Posts : 32,007
    64-bit Windows 10 Pro
    Local Time: 11:26
    usa us oklahoma


    Re: Operating System Not Found

    Hello Rsaya1, and welcome to Vista Forums.

    You might try a doing a Startup Repair to see if it can fix the problem.

    Startup Repair

    Hope this helps,
      My System SpecsSystem Spec

  3.    05 Sep 2008 #3
    Join Date : Apr 2007
    Posts : 190
    Win XP Pro / Win Vista Ultimate
    Local Time: 11:26


    Re: Operating System Not Found

    well, you need to post your computer's brand, model and specifications.
    "operating system not found" could be a RAID setting disabled or enabled in the BIOS, depending on your configuration. could be a broken RAID, loose hard drive, defective hard drive.
    check if your hard drive is detected in the BIOS, and check the RAID settings.
    other than that try a checkdisk, or reinstall windows.
      My System SpecsSystem Spec

  4.    05 Sep 2008 #4
    Join Date : Mar 2008
    Doncaster, UK
    Posts : 2,760
    Windows 8.1 Pro RTM x64
    Local Time: 18:26
    england uk yorkshire


    Re: Operating System Not Found

    Hi rsaya1,

    When your power up your laptop, enter your BIOS by pressing 'Esc', 'Del' or 'F2' (these are the typical keys) - check the manual to see which key to press. Check the system time. Is it correct, and is it maintaining the correct time or is it resetting to an arbitrary time and date each time you power up your system? If it is failing to keep the correct time then that means the small button battery on your motherboard has failed and that the CMOS has lost its settings. Usually, the BIOS will revert back to using default settings, but if the settings have to be changed from their defaults to allow your laptop to function then this could be where the problem lies. Refer to the manual for details on how to change this battery, but if you are unsure about how to proceed you will need to entrust your laptop to someone with more experience in this sort of thing.
      My System SpecsSystem Spec

  5.    06 Sep 2008 #5
    Join Date : Dec 2007
    Posts : 618
    Vista Ultimate 64 bit
    Local Time: 12:26


    Re: Operating System Not Found

    Before you do anything, check if there is bad contact at the hd connector.
      My System SpecsSystem Spec

  6.    16 Sep 2008 #6
    Join Date : Sep 2008
    Posts : 1
    Vista Ultimate x64
    Local Time: 11:26


    Re: Operating System Not Found

    i'm also have a same problem... and i did what u suggest but it still happen... any suggestion about this..?

    my brand Laptop is compaq
    model is compaq presario v3000 (v3119au)
    my operating system is vista Ultimate x64
      My System SpecsSystem Spec

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