i have a custom built pc with a p5g43t-m pro motherboard with 2 ram slots i have installed 32 bit windows 7 and with a 2gb stick in a paticular slot all is well, but when i tried to install another 2gb stick the pc wnt load , if i put each stick in the paticular slot which works on their own they both work bt together they wnt work at all ,its like 1 of my ram slots is inactive :/ will installing 64 ibt solve this?? cheers , pcktwtch