Windows 7 wont start after changing graphics card


  1. emboss
    Posts : 3
    Windows 7 Ultimate x64
       New #1

    Windows 7 wont start after changing graphics card


    Yesterday i have changed Nvidia gtsomething 8600 for Radeon HD 4850
    the computer was stuck at launching windows screen or just restared.
    I have decided to reinstall it. Installation is fine but when it should get me first time into desktop and complete installation procedures it just goes black screen and restart / gets stuck at launching windows screen or flashes BSOD for second
    have tried safe mode which is not working because OS is not installed properly and also not to restart when something goes wrong so i can see what does BSOD says. in that instance it just restarts anyways . Also have tried loading fail-safe defaults on bios.
    also i hope i have put it in the right thread :S
    also the motherboard is gigabyte P45
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  3. rubyrubyroo
    Posts : 1,777
    MS Windows 7 Home Premium SP1 64-bit (Family Pack Lic.) Upgrade
       New #2

    sorry no specifics, but surely a h/w confilict, with something. if its been rec'd by the MOBO mfgr, then i'd try stripping the system to bare essentials piece by piece until the card works, indicating it's likely the previously removed card/adapter,drive,etc.

    good luck
    mike:)
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  4. zigzag3143
    Posts : 28,845
    Win 8 Release candidate 8400
       New #3

    emboss said:
    Yesterday i have changed Nvidia gtsomething 8600 for Radeon HD 4850
    the computer was stuck at launching windows screen or just restared.
    I have decided to reinstall it. Installation is fine but when it should get me first time into desktop and complete installation procedures it just goes black screen and restart / gets stuck at launching windows screen or flashes BSOD for second
    have tried safe mode which is not working because OS is not installed properly and also not to restart when something goes wrong so i can see what does BSOD says. in that instance it just restarts anyways . Also have tried loading fail-safe defaults on bios.
    also i hope i have put it in the right thread :S
    also the motherboard is gigabyte P45

    Do you have the win 7 dvd to do a repair install?

    Do you have a backup to restore?
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  6. rubyrubyroo
    Posts : 1,777
    MS Windows 7 Home Premium SP1 64-bit (Family Pack Lic.) Upgrade
       New #4

    my appologies emboss, I misunderstood the explination, please disregard my previous post as it's unlikely a hardware conflict. zigzag will take care of you, sorry again dude!
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  7. emboss
    Posts : 3
    Windows 7 Ultimate x64
    Thread Starter
       New #5

    zigzag3143 said:
    Do you have the win 7 dvd to do a repair install?

    Do you have a backup to restore?
    i do not. i have changed graphics card back to the Nvidia one and everything is working fine, did clear install.
    but when radeon is in it is not working
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  8. kegobeer
    Posts : 2,913
    Windows 7 Ultimate x64 SP1
       New #6

    What is the make and model of the motherboard (and what BIOS revision) and what is the make and model of your video card (lots of manufacturers use the ATI chipset)?
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  10. emboss
    Posts : 3
    Windows 7 Ultimate x64
    Thread Starter
       New #7

    turns out i have not flashed my bios . ever
    flashed it everything works fine thanks for your time
      My Computer
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