Only showing 2gb out of 4gb Tags: Memory BIOS Dual Channel DDR Last response: August 28, 2010 3:39 PM in Memory Share newbosaurusrex August 28, 2010 12:02:56 AM My bios and windows 7 (64) only shows 2gb out of 4gb bios reads DDR 333 Dual Channel 128 bit ive switched the sticks around and all are working also the bios was recently updated to 1013 anything i should change in the bios? or anything else i can try? THANKS SPECS: AMD Athalon 64 3200 ASUS A8N-E mobo 4 sticks of: Patriot Signature Series 1GB (2 x 512MB) 184-Pin DDR SDRAM DDR 400 (PC 3200) Dual Channel Kit System More about : showing 2gb 4gb Maziar a b } Memory August 28, 2010 10:10:36 AM Go to msconfing>boot>advanced options and make sure "Maximum memory" is unchecked. daship August 28, 2010 3:39:05 PM All you have is 2G or ram there bro. You have 4 sticks. What you have is 4 512 sticks that equals 2G. You bought the wrong kit for 4G, you should have: Patriot Signature Series 2GB (2 x 1G) x2 or Patriot Signature Series 4GB (2 x 2G) Your sticks are 512MB, put only one in and look in the bios, it will say 512. The first clue should have been the price Can't find your answer ? Ask ! Publish Related resources: ForumI have 4Gb of ram my windows xp is showing only 2gb ? ForumI have 4Gb of ram my windows xp is showing only 2gb ? Forum4 x 2GB RAM & only 4GB is recognized. Help! Forum4gb of physical ram - BIOS only shows 2Gb ?????? please help ForumMobo doesn't say 4GB Ram - Only 2Gb - Windows 764bit Says 4Gb ? Forum4GB installed but only 2GB enabled..HELP Forum8gb ddr3 on board only 4gb showing Forum4Gb of DDR3 ram, only 2Gb is Usable ForumI have 3gb RAM, but XP only showing 2Gb ? Forum4GB of RAM, but only 2GB usable? ForumOnly 2gb working (shows in system & bios) have 4gb installed? ForumAge old question of why only 2GB showing ForumStrange Boot situation on Z77 Forum[Solved] Pricing on 6 X 4GB vs. Two Sets of 3 X 4GB ForumHDD not showing in bios Forum6GB of RAM, Windows 7 64-bit says only 3GB is usable ForumAdded 1GB DDR memory but only 5GB showing ForumCant install 4GB ram on my asus a8v-vm Forum6Gb (4gb usabled)? Forum6GB installed 5GB visible 2GB usable ? :( More resources Read discussions in other Memory categories Compatibility DDR2 DDR3 Dual Channel RAM Corsair G.SKILL !