fullscreen lags i need help

[adrian1225]

it was fine before i need some help

[Ad Bot]

[Drydess]

can you elaborate on what you mean

[Office-Pirate]

alt tab out and back in

[phflack]

what changed since it was fine?
revert the changes and see if it's better

[Goth77]

Normally u want vsync enabled when running BL is full-screen to prevent mipmap tearing, but if it's just laggy when in full screen, try turning the resolution down