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Windows 7: Making the other 8GB of Memory available on my PC with Win 7

07 Nov 2011   #1

Windows 7
 
 
Making the other 8GB of Memory available on my PC with Win 7

I have a dell 8100 XPS and recently put in 4x 4GB 1333 Corsair DDR3 RAM to replace the 4x 2GB 1066 RAM simms. The system note says I have 16GB of RAM now with 7.99GB useable. Am I wasting the other 8GB or RAM or can I somehow get that to be useable?

My System SpecsSystem Spec
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07 Nov 2011   #2

Windows 7 Ultimate x64 SP1
 
 

Did you verify that the system is capable of handling 16 GB of memory? I hate to be the bearer of possible bad news, but unless you have a very very specific usage or application need, you'd be wasting half that memory anyway. Even high-end games right now won't tax an 8 GB system, let alone 16 GB.
My System SpecsSystem Spec
07 Nov 2011   #3

MS Windows 7 Ultimate 64-bit SP1
 
 

Your system is capable of supporting 16GB of memory.

Try msconfig on run box and go to boot tab and advanced options buttons, remove the checkmark on no of processors and maximum memory, close the two boxes and if recommended reboot the system. Now check the memory in Computer properties.
My System SpecsSystem Spec
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07 Nov 2011   #4

Windows 7 Ultimate x64 SP1, Windows 8.1 Pro x64
 
 

What version Windows 7?
My System SpecsSystem Spec
07 Nov 2011   #5

Windows 7
 
 

Windows 7 Home Premium
My System SpecsSystem Spec
08 Nov 2011   #6

Windows 7 Home Premium 64bit
 
 

Quote   Quote: Originally Posted by rraod View Post
Your system is capable of supporting 16GB of memory.

Try msconfig on run box and go to boot tab and advanced options buttons, remove the checkmark on no of processors and maximum memory, close the two boxes and if recommended reboot the system. Now check the memory in Computer properties.
Like he said.
My System SpecsSystem Spec
08 Nov 2011   #7

Windows 7
 
 

When I look into MSCONFIG - the boxes for both the number of processors and maximum memory are already unchecked. Checking 16345k and/or leaving the box unchecked still shows 16GB populated and only 7.69GB useable.
My System SpecsSystem Spec
08 Nov 2011   #8

Windows 8.1 Pro
 
 

To get a better understanding of what your system is using see this post - Memory/Ram

Then see this excellent article on RAM usage and Windows 7 - Windows 7 memory usage: What's the best way to measure? | ZDNet

And if those boxes in MSCONFIG are unticked there's no issue there.
My System SpecsSystem Spec
08 Nov 2011   #9

Windows 7
 
 

Interesting. I am showing 8253MB of hardware reserved memory! All the numbers add up to 16GB but wow, 8GB of hardware reserved memory?
My System SpecsSystem Spec
08 Nov 2011   #10

Windows 8.1 Pro
 
 

What do you have for free memory?

And can you post your resource monitor screenshot? - A Preferred Method of Uploading/Posting Screen Shots
My System SpecsSystem Spec
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 Making the other 8GB of Memory available on my PC with Win 7




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