My memory only lets me use 4g out of 8g Tags: Memory RAM Last response: September 25, 2011 5:24 PM in Memory Share bucky_338 September 17, 2011 2:31:52 PM I have a msi mother board with windows 7 it shows that my computer only uses 4 g but i have 8 is there a sulotion for this My ram is corsair xms and there is 2 4 g of ram More about : memory lets samuelspark September 17, 2011 3:32:14 PM Did you install your memory in the right slot on your motherboard? (yes it does matter in which slots you put your ram in) m 0 l bucky_338 September 17, 2011 6:14:40 PM yes the book said to install them in the black slots of a,b and the blue slots are c,d and i installed them in the black ones m 0 l Related resources 8 GB of Fully Working RAM, BIOS and Windows 8.1 64 Bit only let me use 4/3.9? - Forum Seagate 3tb drive only letting me use 746.52gb no other partition - Forum Can't find your answer ? Ask ! Get the answer DEVILVSANGEL00 September 17, 2011 6:22:22 PM what gfx card are you using? the only time ive seen memory installed but not usable is when its shared memory between gfx card and system resources, this is a unusual case for sure m 0 l bucky_338 September 17, 2011 10:29:47 PM evga nvidia geforce 9500 gt I know it is one of the cheaper ones but it worked fine with my 6g int duo and used all 6 g m 0 l bucky_338 September 25, 2011 5:24:00 PM does anyone have any other sujestions m 0 l Can't find your answer ? Ask ! Publish Read discussions in other Memory categories Compatibility DDR2 DDR3 Dual Channel RAM Corsair G.SKILL !