Ram Problems. high percentage and saying im not using all of the ram.

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luckytjones

Honorable
Jan 29, 2014
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10,510
I have suddenly had problems with my ram. I got a brand new motherboard gigabyte 990fx
i have ripjaw 2x4gb ram. 1833mhz. when i turn my computer on and its idle my ram percentage is very high which it never use to do. also when i go onto my system properties it says RAM:8gb total (3.98gb usable) and im wondering if this is the problem. as its only using half the amount of ram i have. and thats why the speeds are so slow. expecially when gaming. if i have one game open like "rift" an mmo its running at 80-90% which is not normal even on my old motherboard which was way worse. also my graphics card is nividea 7870 tahiti adition. and proccesser is fx4300 3.8ghz
 
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Ubrales

Ubrales

Polypheme
Dec 3, 2009
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By any chance are you using a 32-bit Operating System? Because, if you are, 32-bit OS can address only 4 GBs of RAM regardless of how much more is installed. Your board can handle a total of 32 GBs of RAM.- DDR3 2000(O.C.)/1866/1600/1333/1066 (32 GBs for 64-bit OS)
 
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Ubrales

Ubrales

Polypheme
Dec 3, 2009
13,234
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61,465
With your board and 64-bit OS you should have the capability of a total of 32 GBs od RAM.

You say that you have 2x4 GBs of RAM, and I assume that these two modules are a matched set.

Start by testing the modules one module at a time in slot #1 (check and verify from the motherboard manual which is slot 1). This will explain how to do the test: http://windows.microsoft.com/en-us/windows7/diagnosing-memory-problems-on-your-computer

There is also another memory test: http://www.memtest.org/
 
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luckytjones

Honorable
Jan 29, 2014
5
0
10,510
I will do these suggestions and let you know what will I find wrong. ? And they are a matching set and are both in matching colours in the motherboard and probably inserted.
 
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Ubrales

Ubrales

Polypheme
Dec 3, 2009
13,234
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61,465


Good to know! Let's hope that both modules test good! One module at a time.
 
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luckytjones

Honorable
Jan 29, 2014
5
0
10,510
I have done the test on both ram sticks individually and in different slots and it says there are no errors. And when I go system properties it just says 4gb nothing in brackets and when I then put them both back it goes back to 8gb (3.98gb) usable ? Any ideas I have also tested them
With them both in and it comes up with no errors.
 
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Ubrales

Ubrales

Polypheme
Dec 3, 2009
13,234
8
61,465


That's encouraging!

Here are some things to do:

http://support.microsoft.com/kb/259184

http://www.sevenforums.com/performance-maintenance/235210-physical-memory-usage-increases-over-time.html (Anti Virus scans suggested here).

http://askville.amazon.com/increase-Physical-Memory-computer-Ram-311-45-90/AnswerViewer.do?requestId=8680248 (Some good info here)
 
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