Question Weird flashing effect

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XenatoR

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Dec 21, 2021
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There's this weird flashing effect on my monitor that happens when my pc gets under load or on some games' loading screens and in one game it even drops my fps but I've only seen that in cs go when I havent played the game in a long time. Its very hard to explain and if I could put a video I would but it doesn't seem to catch on camera. I have a lenovo g27c-10 monitor with freesync. I found out that disabling freesync resolves the issue but isn't freesync supposed to make the movements on the screen look smoother?
Any help is appreciated

System specs:

CPU: intel core i5 6600 3.30Ghz
RAM: Ballistix 2x8gb 3000Mhz
GPU: AMD Radeon RX 570 gaming X 4gb
Motherboard: ASUS Z170 PRO GAMING
SSD #1: Kingston 250 gb
SSD #2: Integral performance SSD 250gb

OS information:

Windows 10 Pro
Version: 21H2
OS build: 19044.1682
 
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Update your post to include full system hardware specs and OS information.

Include PSU: make, model, wattage, age, condition (original, new, refurbished, used).

Disk drive(s): make, model, capacity, how full?

Try using another known working monitor on your pc.

Corrected: Try using the flashing monitor on another known working pc.

Determine if the flashing problem follows the monitor or stays with the PC.
 
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Ralston18 said:
Update your post to include full system hardware specs and OS information.

Include PSU: make, model, wattage, age, condition (original, new, refurbished, used).

Disk drive(s): make, model, capacity, how full?

Try using another known working monitor.

Try another known working monitor on your pc.

Determine if the flashing problem follows the monitor or stays with the PC.
Click to expand...
the post is updated and i dont know whats my pcu nor how to find out, the only thing i know its that my psu is used because my pc is second hand. I tried it on another monitor and there was no issues.
 
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Okay - if another monitor worked on your pc then that may eliminate your pc as the source of the problem.

Caveat being that nothing else was changed.

Now try the flashing monitor on another known working pc. If the flashing continues then monitor is suspect.

However, some monitors now have their own drivers and, if that is so with respect to your monitor, a driver update may solve the problem.

Note: I also made a correction to my original post. Left out a few critical words. Apologies.
 
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Ralston18 said:
Okay - if another monitor worked on your pc then that may eliminate your pc as the source of the problem.

Caveat being that nothing else was changed.

Now try the flashing monitor on another known working pc. If the flashing continues then monitor is suspect.

However, some monitors now have their own drivers and, if that is so with respect to your monitor, a driver update may solve the problem.

Note: I also made a correction to my original post. Left out a few critical words. Apologies.
Click to expand...
No problem, but there's the thing i dont have a second pc to try out the monitor. I have a dell inspiron 1545 but this laptop is that old that it doesnt have an hdmi port. Ill have to look for the drivers then
 
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Ralston18 said:
Okay - if another monitor worked on your pc then that may eliminate your pc as the source of the problem.

Caveat being that nothing else was changed.

Now try the flashing monitor on another known working pc. If the flashing continues then monitor is suspect.

However, some monitors now have their own drivers and, if that is so with respect to your monitor, a driver update may solve the problem.

Note: I also made a correction to my original post. Left out a few critical words. Apologies.
Click to expand...
I searched for drivers in the manufacturer's site but didnt found them. Any other suggestions?
 
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There are still things you can do:

Disk drives - specs noted. 250 GB each - how full?

Run Task Manager and Resource Monitor to observe system performance. Use both tools but only one tool at a time.

First observe while not gaming and doing other activities that do not cause the flashing effect.

Then game etc. to create or cause the flashing effect.

Watch the resources: What resource is being used, to what extent ( % ) is that resource being used, and what is using the resource.

May take a bit of trial and error to understand the tools and what you can do so take your time and just watch what happens. Do not react to any immediate changes. Key is to ensure that what you are seeing is consistent and that you can "create" the flickering by some means. Playing a specific game for example.

Next you can try running the built in Windows troubleshooters. The troubleshooters may find and fix something.

Likewise "sfc /scannow" and "dism".

FYI:

https://www.lifewire.com/how-to-use-sfc-scannow-to-repair-windows-system-files-2626161

https://www.windowscentral.com/how-use-dism-command-line-utility-repair-windows-10-image

However, we must keep in mind "I found out that disabling freesync resolves the issue but isn't freesync supposed to make the movements on the screen look smoother? "

Freesync could be the issue: buggy/corrupted, or simply causing some graphics related conflict making things worse instead of smoother.
 
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Ralston18 said:
There are still things you can do:

Disk drives - specs noted. 250 GB each - how full?

Run Task Manager and Resource Monitor to observe system performance. Use both tools but only one tool at a time.

First observe while not gaming and doing other activities that do not cause the flashing effect.

Then game etc. to create or cause the flashing effect.

Watch the resources: What resource is being used, to what extent ( % ) is that resource being used, and what is using the resource.

May take a bit of trial and error to understand the tools and what you can do so take your time and just watch what happens. Do not react to any immediate changes. Key is to ensure that what you are seeing is consistent and that you can "create" the flickering by some means. Playing a specific game for example.

Next you can try running the built in Windows troubleshooters. The troubleshooters may find and fix something.

Likewise "sfc /scannow" and "dism".

FYI:

https://www.lifewire.com/how-to-use-sfc-scannow-to-repair-windows-system-files-2626161

https://www.windowscentral.com/how-use-dism-command-line-utility-repair-windows-10-image

However, we must keep in mind "I found out that disabling freesync resolves the issue but isn't freesync supposed to make the movements on the screen look smoother? "

Freesync could be the issue: buggy/corrupted, or simply causing some graphics related conflict making things worse instead of smoother.
Click to expand...
the first drive has 51gb free and the second one 45gb free. I recently did the observing of system perfomance and as far as i can see everything is normal. Ive tried using windows built in troubleshooters such as "sfc /scannow" and "DISM" but they didnt help. I guess the problem is coming from freesync, I cant see any difference whenever freesync is on or off whatsoever
 
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Ralston18 said:
I took a quick look at a few links regarding Free Sync.

For example (randomly picked):

https://www.digitaltrends.com/computing/what-is-freesync/

May be worth a bit more effort to ensure that FreeSync etc. is all properly configured - at least doublecheck as applicable.

Otherwise, if there no apparent benefits ("differences") provided by FreeSync then uninstall FreeSync.
Click to expand...
There's really no settings in my monitor's menu for freesync, I can only choose to turn it on or off. Well imma keep it off as I said I see no difference. Thanks for your help!
 
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