Windows 10: 2nd screen randomly flickering really strong (attached image)

Discus and support 2nd screen randomly flickering really strong (attached image) in Windows 10 Graphic Cards to solve the problem; Hey guys, so my setup is fairly new and sometimes on startup my 2nd screens looks like in the attached image. I only found the solution to just... Discussion in 'Windows 10 Graphic Cards' started by Quartuccio, Jun 24, 2019.

  1. 2nd screen randomly flickering really strong (attached image)


    Hey guys, so my setup is fairly new and sometimes on startup my 2nd screens looks like in the attached image. I only found the solution to just restart. But to not have this on startup is just luck I guess. The screen still gets detected tho. I can even drag programms there, I just can't see them behind all the flickering.
    My main screen is attached via HDMI, the 2nd one via DVI, if that's any help

    Thanks in advance

    :)
     
    Quartuccio, Jun 24, 2019
    #1

  2. Screen flickering in Windows 10 safe mode

    I haven't made any changes on my device. This screen flickering is only happening in Safe Mode.
     
    AdhipBanerjee, Jun 24, 2019
    #2
  3. Arjay Dom Win User
    Screen flickering in Windows 10 safe mode

    Hi Adhio,

    Screen flickering can be caused by hardware or application issue.

    To better assist you, please answer the following questions:

    • Is the issue only happening in Safe Mode?
    • Have you made any changes on your device prior to the issue?

    In the meantime, we suggest following the troubleshooting steps on this article:

    Troubleshoot screen flickering in Windows 10
    to resolve screen flickering issues on Windows 10.

    We're looking forward to your reply.
     
    Arjay Dom, Jun 24, 2019
    #3
  4. 2nd screen randomly flickering really strong (attached image)

    Radeon HD4850: randomly flickering screen

    Hi guys, I guess that after several attempts to fix the issue myself, my trusty Sapphire Radeon HD4850 (cooled by a Scythe Musashi) still seems to randomly cause screen flickering (i.e. getting black for roughly a second). Randomly? Yes, it even stayed away more or less, for roughly two weeks (though I haven't been using the pc much, during the weekends due to not being in my student city (-->something with parents *Wink 2nd screen randomly flickering really strong (attached image) ;) )).
    Overview on the matter, as far as I can give it:
    • It started with getting BSODs when gaming. I reapplied thermal grease and the card seemed to be fine.
    • While BSODs stayed away, I had some screen flicker (don't remember for sure whether I had them during the BSOD period too), and did a driver reinstall.
    • The problem persisted, as it seemed a while later so I updated them to Cat 11.4.
    • Update to Cat 11.5
    • As it did not help, I tried swapping the PSU (OCZ ModXstream Pro 600w) for my Corsair VX550. Oddly enough, when I wanted to stress the pc with OCCT I noticed weird CPU clock speeds (lower idle and load speeds being reported while this was not the case before with the same tool). I therefore went into the BIOS and chose to reload the defaults, to set them at the correct values afterwards. This solved the clock speed mess-up.
    • I have a few suspects: Graphics card, motherboard (maybe I should flash the BIOS?), my monitor and the Belkin power socket box that I have (a Belkin Surgemaster).
    Does anyone have a clue?
     
    Peter1986C, Jun 24, 2019
    #4
Thema:

2nd screen randomly flickering really strong (attached image)

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