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Windows 7: 4gb installed only showing 2.75 usable? is this right? what can i do?

25 Feb 2015   #11
allen1979

windows 7 home premium 64bit sp1
 
 

gmemon, i am not sure what to say. I had the old bios, then upgraded to the current bios, the same that you have, and all of my memory was then usable. Maybe, just maybe, you could downgrade to and older version, restart, then REUPGRADE to newer version of bios. The new bios is what did it for me. that is the best i got.


My System SpecsSystem Spec
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05 Apr 2015   #12
bencfreeman

Windows 7 Ultimate x64
 
 
Installing new BIOS worked

I have a Dell Inspiron 530 on which I'm trying to install Win7 x64. I was running the 1.0.5 BIOS and I have 8GB (4x2GB identical sticks) of RAM. Windows said I had 8GB installed but only 3.25 usable. I tried msconfig > boot > advanced > max memory option but all that did was make things worse. My BIOS did not have the memory remap feature. I found a new BIOS on the Dell website, 1.0.18. Upgrading the BIOS, resetting to factory defaults, and rebooting twice fixed the issue. Now I have 8GB of usable RAM. Hope this helps someone else, I've been fighting this one all day.
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 4gb installed only showing 2.75 usable? is this right? what can i do?




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