Hi all just wondering what i need to stop my computer from freezing and flashing at the startup LOADING just before i enter my password underneath the username on windows 7pro? i have to hold CTrl ALT + delete to force it to go out of the loading screen and into PASSWORD INCORRECT,then click ok enter my password and computer acts normal from there on in!!>?im thinking it could be my small 512ram? not too sure? Also anything i can buy to turn my pc into a good gaming PC? SYSTEM SPEC:* Motherboard:GIGABYTE/8S661fxm-rz CPU/ATS530 P/N 313790-001 CPU FAN:NMB MINEBERA Model 2806kl-04w-B89 brushless RAM/DDR333-512MB only one of these POWER SUPPLY:FANTEC Model JNP/350P 40gb hardrive + EXTENSION of 80gb Phillips DVD/RW Drive + Factory Drive from old hewlett packard system! new too this all help would be apreciated!THANKS.