If the mouse stops working suddenly while playing, try these quick steps: I'm having trouble with san andreas and my mouse. : r/GTA
: Launch GTA SA, and your mouse should now function correctly every time you play. Alternative Method: Set CPU Affinity
: Drag and drop the downloaded dinput8.dll file into the main folder where gta_sa.exe is located.
The most effective way to solve this issue permanently is to use a community-made fix that replaces the bugged input method with modern raw input.
Open (Ctrl+Shift+Esc) and go to the Details tab. Right-click gta_sa.exe and select Set Affinity . Uncheck All Processors and select only CPU 0 .
: Right-click the GTA SA shortcut on your desktop and select Open file location .
Return to the game. You may need to repeat this every time you launch the game unless you create a custom batch file to automate it.
If you don't want to download third-party files, you can manually force the game to run on a single CPU core, which is often the cause of the glitch. Launch GTA San Andreas and out of the game.