Windows 10: monitor is blinking and screen goes black Solved

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  1. Caledon Ken's Avatar
    Posts : 9,740
    Windows 10 Pro x64 Build 1803
       22 Oct 2017 #31

    I don't think I would get new hardware for this issue.

    Others are having so I wouldn't be surprised to see a fix although I in no way can influence except through wishes.

    One sure fire way to enter bios is to take coin battery out of holder on motherboard.

    I got this from Lenovo, please review.

    https://www.youtube.com/watch?v=iKKvOS6NE1k
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  2.    31 Oct 2017 #32

    My PC doesnt want to power on anymore. Im guessing its the mainboard. The battery was tough to get out as well. The lenovo guide didnt help to get into bios. What would be best to do from this point? A new mainboard for my computer is really expensive if i buy it from lenovo.
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  3. COMPUTIAC Guest
       31 Oct 2017 #33

    Cerawy said: View Post
    My PC doesnt want to power on anymore. Im guessing its the mainboard. The battery was tough to get out as well. The lenovo guide didnt help to get into bios. What would be best to do from this point? A new mainboard for my computer is really expensive if i buy it from lenovo.
    In what way was the battery tough to get out ?
    Can you explain this more as in how you tried to remove the battery ?

    Have you put the battery back in again ?
    Last edited by COMPUTIAC; 31 Oct 2017 at 18:50.
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  4.    31 Oct 2017 #34

    Think its either F1 or F12 for a Lenovo bios.
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  5.    02 Nov 2017 #35

    COMPUTIAC said: View Post
    In what way was the battery tough to get out ?
    Can you explain this more as in how you tried to remove the battery ?

    Have you put the battery back in again ?
    No, I have thrown out the lenovo mainboard. I don't know how to explain but it seems like the battery wasn't meant to be taken out. I have bought a new mainboard though, asus H81M-K. So im using my PC again. But the issue with my gfx card is still the same. I think at this point its safe to say that its the gfx card that is causing the problems.

    P.S with my old lenovo mainboard, windows would show 2 monitors and 2 gfx cards in device manager. 2 standard pnp-monitors, 1 intel gfx card and 1 nvidia gfx card. Regardless of how many times i removed the intel gfx card drivers, it would reinstall itself again.
    Last edited by Cerawy; 12 Nov 2017 at 01:42.
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  6.    02 Nov 2017 #36

    Cerawy said: View Post

    P.S with my old lenovo mainboard, windows would show 2 monitors and 2 gfx cards in device manager. 2 standard pnp-monitors, 1 intel gfx card and 1 nvidia gfx card. Regardless of how many times i removed the intel gfx card, it would reinstall itself again.
    This might seem rather obvious but just in case, you were just plugging both monitors into the graphics card and not one on the motherboard socket?
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  7.    02 Nov 2017 #37

    clam1952 said: View Post
    This might seem rather obvious but just in case, you were just plugging both monitors into the graphics card and not one on the motherboard socket?
    Yes.
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  8.    12 Nov 2017 #38

    I got a new gfx card, asus gtx 1050. It works well. But the issue with the monitor persists. So it must be the monitor itself. Is there any fix for this? I like my monitor and I really don't want to buy a new one. I have my calibration set up and everything looks great.
    Last edited by Cerawy; 12 Nov 2017 at 01:43.
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  9.    12 Nov 2017 #39

    Monitors blinking or turning off, if not a bad cable, can often be a defective capacitor or switch, power supply probably fixable or worse, the LED backlight is about to fail, often not so easy to replace.
    Normal first step would be to try the monitor in a different PC, however you have effectively done this by changing the motherboard and GPU and have the same problem.
    Unless you are good with electronics I wouldn't attempt it but get someone who is to look at it.
      My ComputersSystem Spec

  10.    21 Nov 2017 #40

    I'm marking this as solved since we figured out the problem.

    P.S the soluton was to buy a new power adapter for my monitor. As stupid as it sounds, the problem was a defective power adapter for my LG screen. I wish I had knew that beforehand.
    Last edited by Cerawy; 27 Dec 2017 at 23:18.
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