Closed Why Window 7 x64 reports 3.93GB usable of total 6GB installed RAM? Tags: Memory X64 Last response: January 10, 2011 5:56 AM in Memory Share tomy_azfar January 2, 2011 7:05:26 PM Hello, I have installed 6GB of memory in my system, I wanted to ask that why I don't get max 6 GB in Windows 7 x64. Instead I get only 3.93GB usable memory ? My PC specification are: Intel i5-750 Processor 6GB DDR3 RAM Intel DH55HC Motherboard NVIDIA GTS 450 1GB Is there any way I can utilize my total RAM? More about : window x64 reports 93gb usable total 6gb installed ram Best solution 4745454b a b } Memory January 2, 2011 7:13:14 PM Bios issue. Change your memory remap setting. (or something that sounds like that.) tomy_azfar January 2, 2011 7:23:29 PM BIOS is reporting 6GB in DUAL Channel mode and Windows 7 x64 too, but usable is only 3.93GB( reported in Windows property ) Related resources GA-X58A-UD5 6GB ram (4GB usable ) - Forum Windows 7 x64 says RAM 4 GB but 2 GB usable - Forum 64-Bit Windows 7 Shows 2.75GB Usable Ram out of 4GB - Forum Installed 4gb of RAM memory, but BIOS says only 2.5gb are usable - Forum Usable vs. Installed RAM - Forum Can't find your answer ? Ask ! Get the answer baddad January 2, 2011 7:36:56 PM The system is using it. tomy_azfar January 9, 2011 2:33:59 PM Best answer selected by tomy_azfar. Maziar a b } Memory January 10, 2011 5:56:19 AM This topic has been closed by Maziar Can't find your answer ? Ask ! Publish Related resources: Forum2.99GB usable of 6GB total Forum6GB installed , 4GB usable = WIN x64 ForumPut 8GB of RAM into system, only getting 6GB recognized, 1.99GB usable . Simple S ForumWin 7 (pro 64bit) recognizing all 12GB but saying only 6GB is usable ?! ForumWin 7 64-bit doesnt use all installed RAM ForumOnly 2/4 GB usable on win 7 x64 core i 7 860, GB-P55-UD3R Forum6GB installed 5GB visible 2GB usable ? :( Forum6GB of RAM , Windows 7 64-bit says only 3GB is usable Forum6 GB installed ,4 gb usable and bios sees 4 gb ForumIntel i5 3550p & AS Rock Z77 PRO 3 ForumWhich RAM? ForumAsus M4A785-M has 8GB DDR2-800 RAM (4x 2GB) but only recognizes 1.75 as useable ForumMore RAM Forum8GBsCompatible RAM for Gigabyte MA790GPT-UD3H? Forum12gb of ram installed, only see's 4gb or 2gb More resources Read discussions in other Memory categories Compatibility DDR2 DDR3 Dual Channel RAM Corsair G.SKILL !