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I upgraded my Lenovo G550 2983 32bit to Windows 10 and upgraded my RAM from 3GB to 4GB. I see the entire 4GB of RAM, but only 2.93GB is usable. This is the old 3GB RAM setting. Why didn't it update when I installed the new RAM? How can I fix it? It should show at least 3.5GB usable RAM.

Giacomo1968
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Tommy
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  • Did you upgrade to the 64 bit version of Windows 10 or are you still running the 32 bit version? You can check by running the following command (in a cmd.exe prompt): echo %processor_architecture% You won't be able to address more than 3 gb of RAM until you upgrade to a 64 bit OS - see: https://en.wikipedia.org/wiki/3_GB_barrier – moo Jan 01 '21 at 20:38
  • Try going into BIOS and reduce the amount if memory set aside for video. – davidgo Jan 01 '21 at 20:53
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    32 bit Windows needs memory allocated for the graphics chip and kernel memory space. If you want to use the whole memory you will need to do a clean 64-bit install. – Mokubai Jan 01 '21 at 20:54

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