But for the sake of trying fix this i dairy farmer christmas gifts disabled the second monitor and the problems were still there.
The custom size was the problem.I normally use two monitors (1:, hdmi - 2: 1600*900, DVI).Edit: I found a solution!In windowed mode the cursor is at the right place but the window is much larger in size.Andreas, multiplayer Win 10 Fix nab rewards platinum Bug, mouse Camera FIX GTA San Andreas - PC Working 2018.Scaling performed by: Application.Windows 10 - Steam Fix Bug, Gta samp - Mouse Y-axis.Mouse Fix GTA San Andreas, how to Fix Mouse Problem of GTA San Andreas in Windows 7,8,8.1,10 (Easy Way).
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How to fix GTA: SA Mouse problem in Window 8,8.1,10.GTA San Andreas Windows 10 - Steam Fix Bug.Windows 10 Fix Bug, Gta San.In fullscreen mode the cursor is not at the same place as the actual mouse pointer.It is unplayable at full sceen mode and if i want to play in windowed mode i have to set it to a very low resolution.A window will not fit on my screen.Things are back to normal now, but the devs should disable scaling by default.