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8gb RAM, 3.99 usable

Last response: in Memory
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August 25, 2011 4:25:51 AM

Windows 7 64 bit is showing that I have 8 gigs of RAM but only 3.99 usable. Ive got a MSI 970A-G45 mobo, x4 955 BE, 2x4gb 1333 ADATA RAM.

Ive tried the RAM is both blue and black slots but get the same results each time.

More about : 8gb ram usable

a b } Memory
a b $ Windows 7
August 25, 2011 4:41:51 AM

Sounds like you've got a bunch of ram that's been reserved by hardware.
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a b } Memory
a b $ Windows 7
August 25, 2011 4:43:58 AM

Sounds like you have got yourself the famous 4 GB out of n GB usable problem. I am pretty sure this question is asked at least once a day in this forum. Anyway, here you go:

msconfig>boot>advances options

untick maximum memory
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Best solution

a b } Memory
August 25, 2011 4:45:17 AM

Things to check:

1.) Maximum Memory is unchecked. (msconfig ----> boot ----> advanced options)
2.) Memory Remapping enabled in BIOS.

Things to try:

1.) Clear CMOS
2.) Update BIOS
3.) Reseat CPU (it has helped solve this type of problem before)
4.) Make SURE that you are running 64-bit (Sorry, have to say it)

Also, did you run memtest? If not you might want to run it for a few hours. Probably not the culprit here, but if nothing else is working then you might want to.
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August 25, 2011 5:07:57 AM

no chance you're running a 32 bit os?
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September 12, 2011 3:09:54 PM

Best answer selected by xGrunt21.
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September 12, 2011 3:11:17 PM

I went to reseat the cpu and found that one of the prongs was bent, so I RMA it. Got the new one and now I have full 8 gigs of RAM usable.
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