[Lordzy]

Try this

[FOR WINDOWS 7/VISTA]

Код:

1)Click start.
2) Choose control panel.
3) Choose  System and Maintenance.
4) View Computer details.
5) Click Advanced System Settings.
6) Choose settings.
7) Select adjust for best performance option.
8) Click apply button.
Your theme will be classic.
9) Close every thing .

[FOR WINDOWS XP]

Код:

1) Right click on my computer.
2) Choose properties.
 A dialog box will appear.
3) Click on advanced tab.
4)Click properties button.
 A new box will appear.
5) Choose adjust for best performance option.
6) Click apply.
After applying your windows view will be fully classic,but your speed will increase.
7) Close all programs.

[AFTER DOING ONE OF THOSE ABOVE,DO THIS]

Код:

1) Open gta sanandreas [NOT SA-MP].
2) Choose options.
3) Choose display settings.
4) Choose Advanced.
Now you must configure some settings.
5) Change the Draw Distance to lowest bar.
6) Change Wide Screen setting to OFF.
7) Change Visual FX Quality to Low.
8) Change Anti-Aliasing to OFF.
9) Change Resolution to 640+480+32.
10)Connect to SA-MP server.

Hope this works.