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Windows 7: W7 64 bit only detecting 3GB out of 4GB


23 Aug 2009   #1

Windows 7 64bit
 
 
W7 64 bit only detecting 3GB out of 4GB

Hey there,

I recently installed a 4GB DDR2 800Mhz and under Control Panel\All Control Panel Items\System i can see that installed memory 4.0GB (2.94 usable) so i have 1 GB of ram missing !

anyone?

My System SpecsSystem Spec
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23 Aug 2009   #2

Windows 7 RC 7100 64 bit
 
 

I had the same exact problem. It is a motherboard limitation. You need to go into your BIOS and enable "Memory Remapping". If I remember correctly, it's in the Northbridge settings.
My System SpecsSystem Spec
23 Aug 2009   #3

Windows 7 64bit
 
 

Hey Haastrain i did that and its working now thanks alot
My System SpecsSystem Spec
.


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 W7 64 bit only detecting 3GB out of 4GB




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