Why does that happen?
it’s possible for you to try the next solution whatever the cause is.
It is possibly the bad contact that makes the screen flash when adjusting volume.
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Besides, the devices can degrade over time and you should replace with new one when needed.
They are adaptive synchronization technology for liquid-crystal displays.
There may be compatibility issues with your monitor.

you’re able to kick off the NVIDIA Control Panel and uncheck theEnable G-SYNCoption.
If you are using Radeon Software, turn off theAMD FreeSyncoption fromAMD Radeon options.
you’re able to configure a suitable refresh rate for your monitor.
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Try this method and see if the screen still flashes black when adjusting volume.
Step 1: OpenSettingsby pressingWin + Iand clickSystem > Display.
Step 2: Scroll down to clickAdvanced display settingsand adjust the refresh rate until the flickering stops.

If it cant work, you could revert it to the recommended rate.
Are you bothered by black screen after changing refresh rate on your system?
If yes, try these solutions to get this issue fixed.
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yo follow the steps.
Step 1: Right-punch theStarticon to chooseDevice Manager.
Step 2: Locate and expandDisplay adaptersand right-press the item below to chooseUninstall unit.
Then follow to confirm your selection and uninstall this driver.
After that, power cycle your PC and Windows should load the required graphics driver automatically.
Now you’re able to see if the flickering issue persists.
Fix 5: Check Your Graphics Card
Are your graphics drivers seated properly?
Has your equipment been hit or shaken violently?
These situations can make your drivers dislocated from the right place.
you’ve got the option to remove the monitor cable and try it on another motherboard.
If the flickering stops, the built-in graphics card may be dislocated or corrupted.
The complication of the motherboard may make you confused and some mistakes can lead to unexpected issues.
GPU ensures that you’re free to enjoy stunning visuals on your system.
How to check GPU health?
In this post, you’ve got the option to get multiple methods on that!
Bottom Line
How to fix the screen flickering when adjusting volume issue?
This article has listed multiple solutions and you might try them in turn.
Some of them can help resolve your concerns.