Weird flickering and then white screen

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  1. Posts : 10
    Windows 10
    Thread Starter
       #11

    CountMike said:
    Every computer has a way to enter BIOS, sometimes it's Esc. key or maybe F1, F2 etc. Once you enter BIOS it should stay there until you make it continue. In that case OS doesn't load yet and you can see if it's because of drivers or something else.
    What do I look for to know if it's the drivers? Sorry I'm just not the best at computers.
      My Computer

  2. CountMike's Avatar
    Posts : 18,334
    W10+Developer Insider + Linux
       #12

    Try option 2 form my answer first. If it's doing it there too than no drivers would help, besides, drivers are not some for both OSs so it wouldn't be likely problem.
      My Computers


  3. Posts : 10
    Windows 10
    Thread Starter
       #13

    CountMike said:
    Try option 2 form my answer first. If it's doing it there too than no drivers would help, besides, drivers are not some for both OSs so it wouldn't be likely problem.
    I can't switch to another monitor on this iMac there's no port to plug in a AVI or HDMI cable. It's the 2011 version.
      My Computer

  4. CountMike's Avatar
    Posts : 18,334
    W10+Developer Insider + Linux
       #14

    asffx said:
    I can't switch to another monitor on this iMac there's no port to plug in a AVI or HDMI cable. It's the 2011 version.
    Just try BIOS trick first.
      My Computers


  5. Posts : 10
    Windows 10
    Thread Starter
       #15

    CountMike said:
    Just try BIOS trick first.
    At this point, I can't even access Windows to even hold down F2 or anything to get into BIOS. Whenever I select the Windows partition and wait a few seconds, I first get a black screen (no windows logo) then this happens:

    https://pbs.twimg.com/media/CqnoLPrXEAA_sXM.jpg

    It's a blue screen with a black line it, I don't think I'll be able to fix this by myself and I think I'll have to take it in unless there is a possible fix that won't cost me.
      My Computer

  6. CountMike's Avatar
    Posts : 18,334
    W10+Developer Insider + Linux
       #16

    Yeah, you better take it in for service, some HW is bad for sure.
      My Computers


  7. Posts : 10
    Windows 10
    Thread Starter
       #17

    If anyone else who actually has seen this issue before can help me out, I'd really appreciate it. I have some important files on my computer that I'd like to keep but can't access my computer as of now.
      My Computer

  8. spunk's Avatar
    Posts : 2,836
    Windows 10 Pro 64 Bit 20H2
       #18

    Mac computer does not have a Bios, so you will not be able to boot into it on your iMac
    If this is happening while you load the Mac OS, then your Video chip, which is soldered onto the motherboard is failing.
    There are technicians that specialize in Reflowing a Video Chip. You do not have to take it to the Mac Genius. This will need this type of service
      My Computer


 
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