Hello every one iam new to this community , i own a 7600 GS ( fail i know xD ) i play cod4 alot, i noticed an annoying lag so i overclocked my vga using Riva Tuner , i raised it from 450 to 480 and i did so with the memory (same ratio of increasing ) it was running fine the first few days...then yesterday i noticed a Serious lag, fps drop from 60 to 20 and 13 , even 4 and 5.. with constant RED FPs meter , i don't know what went wrong i down-clocked as soon as i saw this lag, still lagging...i re installed my drivers for the vga....nothing still lags...i scaned for viruses and i cought like 100 viruses , and stillllll nothing , it's lagging like hell, i don't know what went wrong , it migh be damaged any fixes ? thx every one