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Amd radeon rx 580 series (micron) de 8gb but only read 4

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Hello friends, maybe I want to ask you a favor related to an old core 2 quad and 8gb ram ddr3 pc, the problem is that when I bought my 8gb radeon rx 580 video card I installed it the first time and it recognized the 8gb, I got a virus and I decided to reinstall Windows, now I put many versions of windows but it only recognizes the windows 4gb software, from the official page download its driver but it still does not recognize, but with cpu-z it says it is 8gb until the amd software tells me which is 8gb, but Windows only recognizes 4 and the games already run at half resolution, please if someone could help

This is the problem
 

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Toothless

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English please.
 
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Hello friends, maybe I want to ask you a favor related to an old core 2 quad and 8gb ram ddr3 pc, the problem is that when I bought my 8gb radeon rx 580 video card I installed it the first time and it recognized the 8gb, I got a virus and I decided to reinstall Windows, now I put many versions of windows but it only recognizes the windows 4gb software, from the official page download its driver but it still does not recognize, but with cpu-z it says it is 8gb until the amd software tells me which is 8gb, but Windows only recognizes 4 and the games already run at half resolution, please if someone could help
 
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but Windows only recognizes 4 and the games already run at half resolution, please if someone could help

Your Windows they are 32bit version, they can not support 8GB of memory.
You will need to upgrade at 64bit operating system.
 
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4GB of the 8GB graphics card is dedicated to the system, so your GPU is only using 4GB.
 
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Before reinstalling the windows there were 8gb dedicated and the games ran at full resolution, now with only those 4 they no longer run, and I had total video memory like 11000 megabytes, now only half and not how to solve this problem
 
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Your Windows they are 32bit version, they can not support 8GB of memory.
You will need to upgrade at 64bit operating system.
GPU-Z clearly states that he is using Win 7 64bit.

Before reinstalling the windows there were 8gb dedicated and the games ran at full resolution, now with only those 4 they no longer run, and I had total video memory like 11000 megabytes, now only half and not how to solve this problem
GPU properties isnt accurate at all, in fact its incorrect on both of my systems.
GPU properties.PNG
In this case its reporting 12GB instead of 11GB.

If your games are running at lower internal resolution problem is elsewhere. Also you should consider updating your OS, Win7 is outdated.
 
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Also you should consider updating your OS, Win7 is outdated.

Do not go there.
If there is a Game requiring exclusively Win10, this is an Exception.

The OP he should also try to reinstall direct X , just in case that there is any 3D files corruption.
System overclocking this a well known reason creating files corruption.

And a final tip, remove any NET Framework over the 4.5 when installing the driver files.
There is a known bug with half installed drivers because of the higher NET. Version.
 
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