Question i have lag in games on 144hz

[GeorgeGod]

i have lag in games on 144hz i downscale to 120 hz witch is fine by me and i dont have but when i alt+tab is goes to black screen for a second why

 

[SteveRX4]

PC specs?
How long has this happened?
Have you changed anything lately?
How fast is your internet? Speedtest it
Is your CPU or GPU getting hot?

 

[Eric Baker]

when i alt+tab is goes to black screen for a second why

Because of RAM unloading
And pls give us your PC specs

 

[SteveRX4]

Have you got a laggy monitor?