Windows 10: why my laptop shows 0gb max ram capacity

Hi, I'm trying to find the max RAM GB for my device so I can upgrade I watched a few videos on how to to do that then i knew how to do it with CMD command prompt but when I complete all the tasks it says 0 MAX RAM anyone know how to fix this error?Device name SONYProcessor IntelR CoreTMi5-3210M CPU @ 2.50GHz 2.50 GHzInstalled RAM 4.0GB Device ID AA9D5659-0BC4-4BEE-8F02-B6D63E7632EDProduct ID 00191-30032-96603-AAOEMSystem type 64-bit operating system, x64-based processorPen and touch No pen or touch input is available for this displaySorry I cant include

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I am checking my RAM capacity through CMD it's showing 0 Max capacity. I have Sony viao laptop

I was checking my laptop RAM on command prompt it's showing 0 Max capacity. I want to know my actual RAM capacity. Can someone please help me?

* Changed to a question

 

Maximum RAM Capacity shows '0' in windows command prompt

I want to check up my maximum RAM Capacity in command prompt, so I use this code 'wmic memphysical get maxcapacity' the result is '0'. How to know the max capacity of RAM for Sony laptop

 

ram capacity

Hello sir my windows phone Nokia Lumia 630 is a smooth run but I when I opened many windows, or I opened what's app and play videos, the phone will close all open programs and came to back on desktop. I understand that this problem is depends on capacity
of the RAM. I have low capacity of RAM that 500 mb. How can I increase the RAM. Suggests me.