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Windows 7: Installed 4Gb Ram, only 2 Gb usable


19 Dec 2011   #1

Windows 7 Ultimate x64
 
 
Installed 4Gb Ram, only 2 Gb usable

Hi, new to the forums and I've been using my gaming rig for a while now. My motherboard is the ASUS Maximus III Formula, using Intel Core I5 760. And I recently did a dual boot on my system. One copy of Windows 7 Ultimate x64 on my original hard drive, and a Windows 7 Home premium x64 bit on another hard drive ( Hitachi ) and after a month or two, I had to format that ( Hitachi ) hard drive as I needed it for extra storage and now I'm getting only 2 Gb usable RAM but I installed 4Gb.

Please help

My System SpecsSystem Spec
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19 Dec 2011   #2

Windows 7 Ultimate x64
 
 

additional information

My System SpecsSystem Spec
19 Dec 2011   #3

Windows 7 Pro x64
 
 

Strange, I would try clearing the CMOS, let us know if that works or not.
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19 Dec 2011   #4
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Do you have the same situation with the other OS? If not, it is an OS problem we have to look for.
My System SpecsSystem Spec
19 Dec 2011   #5

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by mgp1964 View Post
Strange, I would try clearing the CMOS, let us know if that works or not.
I cleared a few times, nothing worked
My System SpecsSystem Spec
19 Dec 2011   #6

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by whs View Post
Do you have the same situation with the other OS? If not, it is an OS problem we have to look for.
I only have windows vista Ultimate 64 bit, should I install on another hard drive?
My System SpecsSystem Spec
20 Dec 2011   #7
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Quote   Quote: Originally Posted by OCModderz View Post
Quote   Quote: Originally Posted by whs View Post
Do you have the same situation with the other OS? If not, it is an OS problem we have to look for.
I only have windows vista Ultimate 64 bit, should I install on another hard drive?
No, I don't think that would help. You could try a live Linux disk and see whether that is the same.

Also, check in msconfig > Boot tab > Advanced options. Click the little box "Maximum Memory" - what does it say there and what happens when you set it to 4GBs
My System SpecsSystem Spec
20 Dec 2011   #8

Windows 7 Ultimate x64
 
 

When I checked the maximum memory box, it writes 4096
My System SpecsSystem Spec
20 Dec 2011   #9
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

So there does not seem to be any physical problem - like bad connection. Do you have any idea what piece of hardware could be using the 2GBs all of a sudden.
My System SpecsSystem Spec
20 Dec 2011   #10

Windows 7 Ultimate x64
 
 

Hmm, I might just found the cause of all this, I have a faulty DIMM slot but I don't know if I should RMA my motherboard because Im using a LGA1156 mobo. But thanks for the given suggestions and help
My System SpecsSystem Spec
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 Installed 4Gb Ram, only 2 Gb usable




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