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Windows 7: 3 GB visible of 4 GB Ram on 64-bit Windows

2 Weeks Ago   #1
matharoo

windows 7 32bit
 
 
3 GB visible of 4 GB Ram on 64-bit Windows

I recently upgraded my 32-bit installation of Windows 7 to a 64-bit one. I changed my RAM setup from 3(2+1)GB to 4(2+2)GB. But, Windows just shows 3 GB Ram. It doesn't say it like "4 GB (3 GB usable)". No. It just shows me 3 GB, as if that's how much RAM I've installed, even dxdiag. However, if I open CPU-Z, it shows me the correct information - that I have 4 GB of RAM in a (2+2) mode.




So, what's going wrong? I'd really appreciate some help.


My System SpecsSystem Spec
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2 Weeks Ago   #2
samuria

win 8 32 bit
 
 

Some may have gone on video or other use often this is a setting in the BIOS
My System SpecsSystem Spec
2 Weeks Ago   #3
MilesAhead

Windows 7 32 bit
 
 

I never heard of this before, but according to the page below if the ram is not fully seated when inserted you can get a situation where hw detection software can see it but Windows won't:

windows 7 - How can I get my 64-bit computer to recognize all of my RAM - Super User

But then again I am not a system builder so that could explain not seeing it up until now.
My System SpecsSystem Spec
.

2 Weeks Ago   #4
Megahertz07

Windows 7 HP
 
 

Shut down, disconnect the power cord from the power supply, wait 1/2 a minute and take off the two memory stick and clean the contacts.
Run this hardware monitor - https://www.hwinfo.com/
It will give you all hardware information.
My System SpecsSystem Spec
2 Weeks Ago   #5
mjf

Windows 7x64 Home Premium SP1
 
 

Another thing to check:
1) Go to start and run msconfig.exe
2) Go to the Boot tab
3) select advanced options
4) uncheck the box for "maximum memory" if it is checked
My System SpecsSystem Spec
2 Weeks Ago   #6
samuria

win 8 32 bit
 
 

There is nothing wrong with the RAM if it's reporting all 4 gigs it being used by system video or other
My System SpecsSystem Spec
2 Weeks Ago   #7
MilesAhead

Windows 7 32 bit
 
 

Quote   Quote: Originally Posted by samuria View Post
There is nothing wrong with the RAM if it's reporting all 4 gigs it being used by system video or other
My reading of the OP is that it is not reporting ram being used by the hardware and subtracting that from the total usable by programs. Just the opposite. It states that 3 GB is reported total with no smaller amount designated as "usable." That's why I thought the page germane where the hw utility software detects the ram properly but Windows does not.

Edit: OK I think I see what you mean now. We are dealing with a video interface that borrows main memory rather than just mapping its own dedicated ram into the address space.
My System SpecsSystem Spec
2 Weeks Ago   #8
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

Open Task Manager, then click Resource Monitor, then click the memory tab and post a snip.

Example:


Attached Thumbnails
3 GB visible of 4 GB Ram on 64-bit Windows-capture.jpg  
My System SpecsSystem Spec
2 Weeks Ago   #9
matharoo

windows 7 32bit
 
 

Hey samuria, it's nice to see you again.

Resource Monitor:


HW Monitor:


HW Monitor again:


I did search for some relevant settings in the BIOS, but I don't think I saw anything that could solve this, though I probably could've missed it. I don't know anything about the BIOS settings. I did see something like "DVMT" which had the options "DVMT / Fixed / Both", and DVMT was selected, with its size being 128MB. There were other options too, all under a "VGA" heading. Could this be relevant?

My GPU has 1 GB memory of its own but dxdiag shows me around 2.2 GB.

Hope you guys can help me. Thanks.
Also, what if I take shots of all my BIOS screens and post 'em here, so you can tell me what options will help?
My System SpecsSystem Spec
2 Weeks Ago   #10
samuria

win 8 32 bit
 
 

If the video is showings extra memory and you add the extra to what Windows is reporting that seems to account for it all
My System SpecsSystem Spec
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 3 GB visible of 4 GB Ram on 64-bit Windows




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