Windows 10: I have a HP 15-da0295TU laptop. It has 4GB installed Ram but only 1.82 GB is usable. How do...

I have a HP 15-da0295TU laptop. It has 4GB installed.How do I have all the Ram using

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1.71gb Usable RAM of 4gb

I have Windows 10 32 bit installed in my laptop. I upgraded the memory to 2+2gb. It has two slots. BIOS Says that the RAM is 4gb Installed. But in my windows it looks different. It has 4gb, 2.98gb Usable. I try to replugging the RAM. After it, the usable
RAM is 1.71gb of 4gb ram. I have tried to uncheck maximum memory in MsConfig, but nothing was happened. You can see the shared memory in the image below. I tried to open the bios, it says 4 gb of ram installed. My laptop is Lenovo B40-45 with AMD APU A8-6410
Processor. How to solve the problem? Help me please

 

Hardware reserved problem (1.48 gb usable of 4gb ram)

I have 2 ram of 2gb, both are working but when i insert them in laptop, laptop shows only 1.48 gb usable and 2.5 gb hardware reserved. If i insert only 1 ram (no matter which one) then it shows 1.48 gb usable so the
problem is even if i add my another ram it simply goes to hardware reserved. my laptop is hp pavillion g4 and i'm using windows 10 64 bit. Please help me on this.

 

4gb RAM but only 3.47 gb usable


Hi, I have an ASRock H61M-VG3 Mother board with a maximum RAM amount of 16gb. I have 64bit Windows 10 Pro. I have 4gb of RAM but only 3.47 gb Usable. Does anyone know how to help because I would like it fixed because I am upgrading to 16gb Ram, and it would be ridiculous to have 16gb of RAM but only 3.47gb Usable.