i have a cpu intel pentium 4 ht 630 3 ghz and i have an integrated intel card all games was lagging so i bought a new gpu and it was ati radeon saphiere 5450 1 gb and the gaming is better but lags each 2 min in low and high in all games even silkroad and crossfire and nfsmw 2005 and this games doesnt need high graphics and i found on internet that my cpu will bottleneck the gpu but if cpu bottleneck the gpu then the game must lag all time but the game lags each 2 min i can play nfsmw for 4 hours and dont lag and and i can play for half an hour and lag all time so what is the problem i know my cpu is old but we are talking about silkroad .league of legends in this game i have fps dropfrom 80 to 5 and at the same time of fps drop the cpu get 100 % usage how can this be possible we are talking about silkroad and i have the lastest drivers for every thing i have windows 732 bit and 2 gb ram i tried every thing i have more words but this enough last thing in hwmonitor it aid i must have +12 volt i have 11.5 and +5 ihave 4 and +3 i have 2 i have a stable ghz for cpu and temp is good for every thing the porblem is fps drop and cpu usage 100 5 at same time and fps drop from 80 to 5 please help me . intel corporation doesnot know what to say to me they couldnot help they told me they havenot a solution for me so help me please