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8gb RAM, 3.99 usable

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Last response: September 12, 2011 3:11 PM in Memory

xGrunt21

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

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abekl

Memory Master

Windows 7 Expert

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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Pyree

Memory Expert

Windows 7 Expert

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

jsanthara

Memory Expert

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.