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Monitor blinking (blacks out for a short time then returns) !!

Dear everyone

I have recently built a PC which has the following parts:
1- i7-6700K 2- 16 GB HyperX Ram 2133 Mhz 3- Asus Z170 Pro Gaming MoBo
4- EVGA Platinum Rated 850P2 PSU 5- TP-LINK N900 Wireless Dual Band PCIe 6- Corsair H100i V2 CPU Liquid cooling 7- Samsung Evo 250GB SSD

I have a BenQ GL2460HM Black 24 monitor that I bought along with the PC parts, as well as an old Funai TV which used to be used as a monitor in a studio, then I got it some time ago to use it as a monitor as well.

I have suffered from a blinking and image shaking issues in my monitors with my PC. I tried both monitors, especially the BenQ on my laptop and a PS4, both work fine as intended. The problem happens when I connect the PC to the monitors via HDMI. After use for some time (usually less than an hour), the monitor blacks out totally for a few seconds then it returns quickly. This especially annoying when I game (no so often), or when I work and type reports (I do that most of the time). I did not notice these issues in VGA. Sometimes (this is happening while I typing this thread), the image shown on the display shake horizontally a little bit for a second, then the monitor recovers.

Any thoughts on the issue, as I tried multiple HDMI cables, which are proven to be working (some were used as cables for PS3 & PS4, as well as my link my laptop to the old Funai monitor) ?!?

Please help, as I spend about 25$ every time I got to a computer shops for the supposed solutions and inspection services they offer, and I go back to where I started from once I bring my devices back home.

Sorry for the very long thread

Thanks in advance & Regards

Amyrro
2 answers Last reply Best Answer
More about monitor blinking blacks short time returns
  1. as both monitors don't have that issue when connected to the laptop & ps4 then not a monitor issue. can you try using a dvi cable which both the monitor & motherboard have to see if still have that issue?
  2. Best answer
    ffg7 said:
    as both monitors don't have that issue when connected to the laptop & ps4 then not a monitor issue. can you try using a dvi cable which both the monitor & motherboard have to see if still have that issue?


    Hello mate,

    It turned out to be an issue in the electrical circuit that cover my room, as it was extended by to cover an extra room. There could have been an issue in the wiring. This issue affects digital devices, and computers are the most sensitive in this regard, besides smart TVs. The solution that someone I know has suggested to use a UPS. I have tried that still, but it sound logical, as laptops do not suffer from any symptoms of the problem as long as they have their batteries attached.

    Cheers.
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