8Gb RAM 3,325 MB Usable

PhoenixOdunen · Aug 20, 2014

So I've been having this problem for a few days now. I've tried everything I know to try to fix it and nothing has worked.
64 Bit Windows 7 Ultimate, Windows even says 8.00 GB Installed and 3.25 usable

I have a GA-78LMT-S2P (rev. 4.0) Motherboard
I have 8Gb Corsair Dominator RAM ( 1333 I believe )

I has been working fine for a year or two now and all of a sudden it is only using less than half of the RAM installed.

Things I have tried~~

Memtest
Windows Memory Diagnostic
Windows OS Repair
MS Config.
Updated BIOS
Reset CMOS
Reset BIOS to Opt. Defaults
Reseated Both Sticks
Swapped both sticks around 2-3 times
Blew all Dust out with my trusty air compressor (I even put a new heatsinc on the CPU)

I am running out of options here! I don't know what else to do! Everything has said that the RAM is fine and does not have any problems.

xBlaz3kx · Aug 20, 2014

1st Option : One of your sticks is dead.
2nd Option: One of your slots are dead.
I believe its an second option, happened to me once. Try rams on another computer, if they work properly then one of the slots is dead. Elsewhat, the stick is dead.

IInuyasha74 · Aug 20, 2014

I would double check your version of Windows as 3.25 is like exactly where you would get dropped off at if you were using 32-bit

PhoenixOdunen · Aug 20, 2014

I will take a stick out and try stick 1 in both slots, and the same with stick 2

As for the bit: http://tinypic.com/r/34takih/8 (Unless windows is lying to me)

xBlaz3kx · Aug 20, 2014

PhoenixOdunen :

Maybe try on another computer too, just to be sure.

PhoenixOdunen · Aug 20, 2014

If I had one xD

xBlaz3kx · Aug 20, 2014

PhoenixOdunen :

Well ask your friends if you can try?

PhoenixOdunen · Aug 20, 2014

If I had any xD Lol, this is starting to get embarassing

Going to test both sticks now, be back in a few mins

xBlaz3kx · Aug 20, 2014

PhoenixOdunen :

High five m8, write the results on private or post here.

PhoenixOdunen · Aug 20, 2014

Both sticks booted to windows in both slots. Though when I put stick#1 into slot #1 it fked up somehow and made my internet not work and disabled windows Aero. but when I put it into slot 2 it gave me a nice repair windows option, so I did that and my internet and aero works again.

Today the PC has been using around 92% of my RAM though, and I can not get it back down to using less than 1gb on startup

xBlaz3kx · Aug 20, 2014

You can see it yourself then. Slot #2 has few issues on chipset.

PhoenixOdunen · Aug 20, 2014

How can I fix it?

PhoenixOdunen · Aug 20, 2014

I'm guessing that I need a new Motherboard.

Trying to find one but it isn't easy finding one that Has AM3 socket, supports AMD FX 8120, and 2x4Gb 1333 RAM

xBlaz3kx · Aug 20, 2014

PhoenixOdunen :

It is.. M5A99X EVO R.2 is perfect for the price, supports up to 2133mhz ram.

modernwar99 · Aug 20, 2014

http://pcpartpicker.com/parts/motherboard/#s=4&xcx=0&sort=a8&T=16384,131072
They should all be compatible with that CPU.
If you have any questions, ask

Vic 40 · Aug 21, 2014

PhoenixOdunen :

The other stick works fine in that slot?
Did you try to bump the vram voltage a little,maybe just from 1.5 ->1.55V just to see if it stabilises things.

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8Gb RAM 3,325 MB Usable

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