Hello, my laptop when I up and down the volume or brightness. The indicator at top left is not appear.
It sounds like the OSD is missing so you might need to reinstall drivers. Users are reporting that this issue was caused by Nvidia drivers and Nvidia’s sound card driver, so be sure to disable it along with your sound card.
As first you can tryto uninstall virtual sounds card software from your PC.
Note: Users reported that SRS Audio Sandbox/SRS HD Lab software and Audio Filter driver caused the issue, but bear in mind that other software can also cause the issue to appear.
If you have any virtual sound card or any other software that modifies the sound output on your PC, remove it before proceeding.
Press Windows Key + X and choose Device Manager from the list.
Locate virtual sound card in Device Manager, right-click it and choose Uninstall device from the menu.
Once you remove it, restart your PC and check if the issue is resolved.
Other option would be to disable and enable all audio devices
Open Device Manager.
Locate your audio device, right-click it and choose Disable device. Wait for a couple of moments, and enable the device by right-clicking it and choosing Enable from the menu.
Leave other audio devices disabled and check if that solves the problem.
Check the following settings aswell:
Open Start menu > Settings
Click Ease of Access > Other options
Change the drop-down box of "Show notifications for" to the preferred time.
Another possible setting is :
Open Control Panel > All Control Panel Items
Go to Ease of Access Center > Use the computer without a display
Set "How long should Windows notification dialog boxes stay open"
I hope this will help you!
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