If your mouse stops working in the menus, the InputMod or SilentPatch usually resolves this "Windows 10/11 bug." 4. Why Use a "Fix" File?
Using the ThirteenAG Widescreen Fix corrects the aspect ratio and scales the interface perfectly to 16:9 or 21:9 monitors. gta-san-andreas-1080p-resolution-fix-file
Open the game, go to Options > Display Setup > Advanced , and you should now see 1920x1080 available in the resolution list. 3. Pro-Tips for the Best Experience If your mouse stops working in the menus,
The gold standard for this issue is the GTA SA Widescreen Fix. It doesn't just unlock 1080p; it fixes the UI scaling so your map and health bar aren't stretched horizontally. gta-san-andreas-1080p-resolution-fix-file