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Windows 7: 6 GB RAM (4 GB usable)

21 Oct 2010   #1

Win64
 
 
6 GB RAM (4 GB usable)

I have win64 installed on a system with 6 GB RAM. But when I click on Computer Properties, it says only 4 GB of the RAM are usable. I understand that 32 bit windows only recognizes 4 GB of RAM but in a 64 bit system why would the extra 2 GB not be usable?

My System SpecsSystem Spec
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21 Oct 2010   #2

W7 Professional x64
 
 

1. Click Start, type msconfig in the Search programs and files box, and then click msconfig in the Programs list.
2. In the System Configuration window, click Advanced options on the Boot tab.
3. Click to clear the Maximum memory check box, and then click OK.
4. Restart the computer.

See if that clears things up.

By the way, your system specifications are incredibly unhelpful.
My System SpecsSystem Spec
22 Oct 2010   #3

Win64
 
 

The Maximum memory box was unchecked. When I checked it 6144 popped into the window. I re-booted and went back to this window and it said 2048. What is going on here?

btw I filled in my system specs
My System SpecsSystem Spec
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22 Oct 2010   #4

W7 Professional x64
 
 

make sure the box is still unchecked.

If that did not fix the issue, check to see if your settings in BIOS are correct, or maybe your bios is outdated.
My System SpecsSystem Spec
22 Oct 2010   #5

Windows 7 x64
 
 

Or it is likely that one or more of your memory modules is bad. I would suggest run a memtest on it. I had a similar issue and after replacing the memory modules, all is fine.
My System SpecsSystem Spec
22 Oct 2010   #6

 
 

What graphics card do you have and does it use 'shared' memory? If so then the 2GB could be used/reserved for GFX usage. You can normally change the setting in the BIOS.


OS
My System SpecsSystem Spec
22 Oct 2010   #7

Operating System : Windows 7 Home Premium Edition 6.01.7600 SP1 (x64)
 
 

hi every one
i use this good program to check the ram PassMark RAMMon - Identify RAM type, speed & memory timings
if you hit the windows key and r and type resmon you can see what windows has allocated to ram
also check your bios setings and make sure the ram is seated proper with the *click sound*


Attached Thumbnails
6 GB RAM (4 GB usable)-rammonscreenshot.jpg   6 GB RAM (4 GB usable)-resmon-sunday.png  
My System SpecsSystem Spec
22 Oct 2010   #8

Windows 7 Ultimate (x64)
 
 

I have recently added 2 GB to my RAM. I did not know whether the DIMMs that I bought would be recognized by the system, so the only way was to try. In the end it went well, but the first attempt was unsuccessful.

Here's what should be happening: first and foremost, the memory should be recognized by the BIOS. Therefore, restart your computer and enter BIOS. See how much memory is reported there. If you see all 6 GB, then you can proceed with the above advice of how to make Windows to recognize the memory. But if the BIOS does not see it, then you should check the DIMMs individually, and if they are OK, then proceed with a BIOS update, if one is available or check with the manufacturer on the overall memory limit imposed by the motherboard and/or BIOS.
My System SpecsSystem Spec
22 Oct 2010   #9

Windows 7 Ultimate 32bit
 
 

I would not recommend any bios update activity..You HAVE to know what your doing there.. Trust me!!!
My System SpecsSystem Spec
22 Oct 2010   #10

Operating System : Windows 7 Home Premium Edition 6.01.7600 SP1 (x64)
 
 

windows 7 should allocate the ram auto if the ram is seated properly after reboot check this> windows key + r type resmon then enter and see whats allocated.
In msconifg (windows key + r type misconfig press enter) In the System Configuration window, click Advanced options on the Boot tab the box in Maximum memory should be empty so windows can allocate the max ram , and then click OK.
Restart the computer.
My System SpecsSystem Spec
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 6 GB RAM (4 GB usable)




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