Computer only using 3.99Gb of 4Gb installed? Tags: Chipsets RAM Motherboards Computer Last response: July 7, 2010 6:42 PM in Motherboards Share Anonymous a b V Motherboard July 7, 2010 5:53:48 PM Hello, My MSI H55M-E33 motherboard with a intel G6950 cpu with 4Gb Cosair DDr3 1333Mh ram only use 2.99Gb of Ram? More about : computer 99gb 4gb installed o1die a c 435 V Motherboard July 7, 2010 6:42:49 PM windows 32 bit operating systems only recongise about 3 gb of ram. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedWhy is my computer only using 4gb out of 8gb installed? Forum Windows 8.1 says 8.00GB of RAM installed only (3.99GB of RAM usable) Forum 6GB of RAM memory installed but only 3.99GB useable??? Forum 8GB Installed But Only Using 3.96GB (4GB Hardware Reserved Ram) Forum SolvedWindows7 64bit 6GB RAM installed, computer only detects 4GB Forum 8GB of Memory Installed, Computer only Recognizes 4GB. Forum 8GB of Memory Installed, Computer only Recognizes 4GB. Forum SolvedWindows 7 64 Bit 4GB installed but only 3.48 usable Forum Installed 4GB RAM but only 2GB is being used Forum Installed 16 gb of memory computer only using 8 Forum SolvedI have two 4GB sticks installed but it only shows 6GB in total. Forum Solved8Gb installed as Dual Channel but Windows says only 4gb is usable, why? Forum Solvedi have installed 6gb of ram one 4gb 1600mhz and another 2gb 1600mhz my pc shows total memory installed 6gb but only 3.88 usabl Forum Solved4GB of RAM installed, only 2.89GB usable Forum SolvedBIOS recognizes full 8GB RAM, Windows (my computer) only recognizes half 4GB RAM Forum SolvedZ87 PRO4 showing only 4GB memory (16 installed) Forum SolvedOnly 4GB usable of 8GB installed, tried entire checklist by now! Forum I use i3 processor and use 6gb ram but my computer shows only 4gb how i troubles Forum SolvedJust installed new RAM, only 2.87 is usable of 4gb Forum SolvedI have 6 GB ram installed, but only 4GB are shown in Windows control panel system Forum More resources Read discussions in other Motherboards categories BIOS Boot Chipsets ASRock Asus Chaintech DFI Elitegroup FIC Foxconn Gigabyte Intel MSI-Microstar !