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Windows 7: Windows 7 64bit cutting ram in half

18 Apr 2014   #1
moonman94

windows 7 Ultimate x64
 
 
Windows 7 64bit cutting ram in half

Hello,
I have been dealing with this issue for a while now. I installed 8gb of ram, and was running Ubuntu all was fine and dandy, but for work i need windows for most things, so i did a nice fresh install on another hard drive. I was doing some work one day when i saw windows say "8gb install (3.99gb usable)" Now the installation is legit and 64 bit. I started doing research, found people having this issue but most where solved by bent cpu pin or settings in bios. Now my ram is 4 sticks, and two different brands/speed. The timings are all the same 9 - 9 - 9 - 24 , the Corsair set was 1600 @ 1.65v and the Patriot was 1333 @ 1.5V. I messed with all the settings and resets until I was blue in the face, but nothing fixed the problem. So I just lived with it, until today when i pulled out the corsair sticks or ram for another project. Now I booted up windows and saw "4gb installed (1.99gb usable)" . Has anyone else ever had this issue ????? I have been working on and building computers all my life and never have encountered this. I have a dedicated graphics card, its some cheap GT 520. Im just really confused. Thanks !


My System SpecsSystem Spec
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18 Apr 2014   #2
T0by

Windows 7 Ultimate x64
 
 

How many programs are running on your computer? to check you go to ALT/CTRL/DELETE Start Task Manager then click the performance tab, if your CPU usage is high find the program which is using the Memory and uninstall it, to check what program is using it go to the services tab.
My System SpecsSystem Spec
18 Apr 2014   #3
moonman94

windows 7 Ultimate x64
 
 

According to task manager total physical memory 2gb. The data I have posted was from the system manager. this is not ram being used, this ram available to use.
My System SpecsSystem Spec
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18 Apr 2014   #4
T0by

Windows 7 Ultimate x64
 
 

Download CPU-Z and that tells you the proper DRAM Frequency, my Winodws says I have 1600Mhz but CPU-Z says I have 1070.2MHz.
My System SpecsSystem Spec
18 Apr 2014   #5
moonman94

windows 7 Ultimate x64
 
 

I have had that installed, and it tells me that my ram modules are installed, I checked when I had 4 modules installed and all info was correct. ram running at 667mhz. Now i have two and it still says all the correct info.
My System SpecsSystem Spec
18 Apr 2014   #6
T0by

Windows 7 Ultimate x64
 
 

Are you memory sticks corsair vengeances?
My System SpecsSystem Spec
18 Apr 2014   #7
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

Give us a shot of resource monitor showing the memory tab.

Task manager / Performance / Resource Monitor / Memory
My System SpecsSystem Spec
18 Apr 2014   #8
HoneycombAG

Microsoft Windows 7 Home Premium 64-bit Service Pack 1
 
 

If I can recall correctly, this is only supposed to happen if you try to install RAM greater than 32 GB on Home Premium.

If you are using onboard video, the BIOS will eat away at the free memory that's installed in your system, unless you install and set any add-on GPUs later on as a default display driver. Did you have any Shared Memory set in BIOS?
My System SpecsSystem Spec
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 Windows 7 64bit cutting ram in half




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