sorry if this has been identified, i saw a lot about this but nothing that hits my same criteria... I have a custom built PC and both the motherboard, and vista support 8gigs of ram however if i put more than 2 in it wont boot or gives me BSOD. with 2 gigs in it runs like a champ.. i have updated all the drivers through windows and tried tweaking with my bios. I need help, i bought 8 gigs and even though it may be overkill i want to see if i can get it to work, so if you need any more info on my system or have any ideas please let me know.. Thanks.