Screen flickering in multiple games when playing fullscreen

[crillox11]

I use a laptop and have a screen but it flickers
i use a benq xl2411p screen
and a lenovo y50-70 laptop and HDMI

video of screen flickering
https://www.youtube.com/watch?v=Vlt2kdoHV-M&feature=youtu.be

 

[NerdyComputerGuy]

Try re-installing your GPU graphics drivers.

https://pcsupport.lenovo.com/gb/en/products/laptops-and-netbooks/lenovo-y-series-laptops/y50-70-notebook-lenovo/downloads

Install all the drivers under Display and Video Graphics (3)