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Windows 7: Only 2.5 GB available RAM out of 4 GB 64 bit OS

20 Dec 2010   #1

Windows 7 Home Premium 64bit OEM
 
 
Only 2.5 GB available RAM out of 4 GB 64 bit OS

Hi

I have installed windows 7 HP 64 bit on a machine with 4 GB of DDR3 RAM, although in msinfo32.exe it says that i have only 2.50 GB available.



Hopefully I have attached a screenshot of the msinfo32 window (I am not sure if it worked or not) to let you see the problem.

The total physical memory seems correct yet the available memory should be more, shouldn't it?

Thanks
Attached Thumbnails
Only 2.5 GB available RAM out of 4 GB 64 bit OS-msinfo32.jpg  
My System SpecsSystem Spec

20 Dec 2010   #2

Win7 Enterprise, Win7 x86 (Ult 7600), Win7 x64 Ult 7600, TechNet RTM on AMD x64 (2.8Ghz)
SomeWhere in the HOT Arizona Desert !
 
 

Start system configuration Boot Advanced options

Only 2.5 GB available RAM out of 4 GB 64 bit OS-system_config_memory.jpg


Set Maximum Memory to ZERO (0)

Save & reBoot computer

Then what do you get ?
My System SpecsSystem Spec
20 Dec 2010   #3

Windows 7 Home Premium 64bit OEM
 
 

Whenever I set it to 0 and go back in, it has changed to 256 mb. I don't want to restart yet in case it has to boot with 256 mb ram
My System SpecsSystem Spec
.


20 Dec 2010   #4
whs

Vista, Windows7, Mint Mate, Zorin, Windows 8
Florida in winter, Black Forest/Germany
 
 

Take a snip of the color bar in Resource Monitor > Memory tab and post it here Then we will see clearer.
My System SpecsSystem Spec
20 Dec 2010   #5

Windows 7 Home Premium 64bit OEM
 
 

This is the Resource Monitor bar
Attached Thumbnails
Only 2.5 GB available RAM out of 4 GB 64 bit OS-ram_in_resmon.jpg  
My System SpecsSystem Spec
20 Dec 2010   #6
whs

Vista, Windows7, Mint Mate, Zorin, Windows 8
Florida in winter, Black Forest/Germany
 
 

Well, it adds up to 4GB. The number you showed earlier is what is currently available (which is the dark and light blue).
My System SpecsSystem Spec
20 Dec 2010   #7

Windows 7 Home Premium 64bit OEM
 
 

I am such an idiot...

I noticed that as soon as I posted the screenshot...
My System SpecsSystem Spec
20 Dec 2010   #8

Win7 Enterprise, Win7 x86 (Ult 7600), Win7 x64 Ult 7600, TechNet RTM on AMD x64 (2.8Ghz)
SomeWhere in the HOT Arizona Desert !
 
 

What does Control Panel System show ?
Attached Thumbnails
Only 2.5 GB available RAM out of 4 GB 64 bit OS-cp_system_memory.jpg  
My System SpecsSystem Spec
20 Dec 2010   #9

Windows 7 Home Premium 64bit OEM
 
 

BTW after changing the system config to 0 RAM and rebooting, windows couldn't start so I changed it back in safe mode.
Attached Thumbnails
Only 2.5 GB available RAM out of 4 GB 64 bit OS-system.jpg  
My System SpecsSystem Spec
20 Dec 2010   #10
whs

Vista, Windows7, Mint Mate, Zorin, Windows 8
Florida in winter, Black Forest/Germany
 
 

Quote   Quote: Originally Posted by ratman View Post
I am such an idiot...

I noticed that as soon as I posted the screenshot...
You said that - LOL. But I am glad you are happy now, at least I hope.
My System SpecsSystem Spec
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 Only 2.5 GB available RAM out of 4 GB 64 bit OS problems?



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