If you don't want to download third-party files, you can use a manual workaround, though you’ll have to do it every time you play: Launch GTA San Andreas. Minimize the game ( Alt + Tab ). Open ( Ctrl + Shift + Esc ). Go to the Details tab and find gta_sa.exe . Right-click it and select Set Affinity . Uncheck "All Processors" and select only CPU 0 .
This comprehensive guide will explain why this bug happens, where to safely get the fix, and how to install it step-by-step. Why Does the Mouse Stop Working in GTA San Andreas?
Check the box at the bottom for . Click Apply and OK . Method 3: Change CPU Affinity Manually gta san andreas windows 88110 mouse fixzip
The most effective permanent solution for the mouse bug in Grand Theft Auto: San Andreas
C:\Program Files\Rockstar Games\Grand Theft Auto San Andreas If you don't want to download third-party files,
put this file in your Windows system folders; it only belongs in the game folder. Launch the game : The mouse should now work every time you play. Method 2: Set Processor Affinity (Temporary)
A wrapper that forces the game to use updated input handling mechanisms. Go to the Details tab and find gta_sa
Some versions (like the Jessyy/gtasa-dll-windowmode-mousefix on GitHub ) allow you to run the game in windowed mode alongside the fix.
Even after applying all these fixes, some players may still experience issues. Here are additional troubleshooting steps:
Open the unzipped folder, select all the files and folders inside (usually including SilentPatchSA.asi , scripts , and other files), copy them, and then paste them into your GTA: San Andreas root folder (the one with gta_sa.exe ). Make sure the files are placed directly in the game root, not in a sub-folder.