Just installed 12 gigs of ram on 64 bit Vista not all showing physical Tags: Memory RAM Windows Vista Last response: February 19, 2012 6:22 PM in Memory Share BagOsnarkz February 18, 2012 7:16:36 PM Hello, I have 12 gigs of ram that I have just installed (Upgraded from 3) however now my PC is only reading it as 4 Gigs after two restarts and I am unsure why My specs: 64-Bit vista 12.0 GB Single-Channel DDR3 @ 535MHz (7-7-7-19) MSI MSI X58 PLATINUM SLI(MS-7522) I've already verified that their wasn't a limit checked in MSCONFIG and per the manufacturer website the board can support upto 24 Gigs. Any advice would be appreciated More about : installed gigs ram bit vista showing physical h3sham a b } Memory February 18, 2012 9:32:09 PM bios reads all 12? m 0 l BagOsnarkz February 19, 2012 3:07:03 AM I'm 90% sure it was (though I must admit I'm not very knowledgeable with bios configs) that said, reseating the RAM resolved the issue. m 0 l Can't find your answer ? Ask ! Get the answer h3sham a b } Memory February 19, 2012 6:22:40 PM glad you managed to fix it m 0 l Can't find your answer ? Ask ! Publish Related resources 4 gig of ram, showing ups as 3.12 in windows 7 64 bit?? Forum 64bit System wont use more than 2 to 2.25 gigs of the 12 gigs of ram a Forum SolvedJust installed 64-bit W7, coming from 32-bit Vista questions Forum SolvedASUS P6T - Windows 7 Enterprise 64bit - Only Shows 4 of 6 Gigs RAM Forum Solved Installed Memory (RAM): 12.00gb (3.25gb usable) 64-bit. Help! Forum Vista 64bit, 6 gigs ram, 85% memory used at idle??? Forum Have vista 64x put ddr2 2gig+2gig physical memory shows 2gig Forum Windows 7 64 bit, 8 gigs of ram installed, 3.99 available? Forum 12GB RAM installed and only 8GB showing in Windows 7 Ultimate x64 Forum 32 bit Win xp on 64 bit machine showing only 50% of installed RAM Forum i installed 2 X 2 gb ram but pc shows installed 6gb in windows7 64 bit Forum Windows Vista 64-bit showing 3.25GB RAM instead of 6GB Forum Vista 64-bit - 12GB of Ram Forum 12gb ram installed but only 8 physical available Forum 64bit Windows 7 only recognizing 4GB of 12GB installed RAM Forum SolvedSet VGA card to get ram from my 4gigs installed on 32 bit Windows 7 Forum Solved8GB Ram only showing 6GB 64bit Forum GA-X38-DQ6 - Vista64 - Just installed 8GB ram. System will not boot? Forum SolvedRunning windows Xperia home edition, have installed 4 gigs of ram but only 2.87 show in control panel Forum SolvedCan vista 64-bit keep up on 3Gb ram? Forum More resources Read discussions in other Memory categories Compatibility DDR2 DDR3 Dual Channel RAM Corsair G.SKILL !