Hi guys got a biostar th55 hd i5 3.2 ghz ,xfx geforce gt 240, windows 7 32 bit ,550 watt psu ,newly bought kingston hyper x green 1600 mhz 4gb stick , hd video lags . Don't know what to do ,windows experience crashes used to display windows experience at 6.9 but now to 3.8 . Do i need to make some changes on bios ??? . PLEASE HELP .Can kingston hyper x not be used with windows 32 bit is that the issue