How do you fix a scratched ps2 disc

Replace it Few home remedies work and while you could get it professionally polished that does not mean it will work
To get rid of light or deep scratches on a ps2 disc is, put 2 dabs of toothpaste on the disc and rub it around the whole disc rub lightly. wait 5-6 minutes then wash the toothpaste of with a wet wash cloth. then use a dry paper towel to get rid of any wet spots. next test the game if it doesn't work then try the method again . if it still doesn't work put it in the freezer over night like 7-8 hrs.
then try it will work
The related link describes a process to clean and repair a scratched PS2 disc. The first steps involve washing the disc in warm soapy water with dish detergent, rinse it, letting it air dry, Use baking soda toothpaste with cotton ball using circular motion, rinse it to remove toothpaste and let air dry. See related link




Other suggestions are to use regular CD ROM cleaners found at office supply stores