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New computer, Windows 10 16gb RAM (7.93 usable)

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#1 asaper


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Posted 24 September 2017 - 03:56 PM

Hello everyone, I am at a loss here with my new desktop as to why Windows 10 Pro (64 bit) is currently only allowing me to use half of my RAM. Due to a fried CPU I rebuilt this computer with some good parts:


CPU: Ryzen 7 1700

Motherboard: ASUS H97 Plus

RAM: 16gb (2x8gb)

Video: GTX 1070

500gb SSD + 1TB HD


I saw some people asking about RAM specifics, they were bought in a pack of 2: 

PNY Anarchy 16GB Kit (2x8GB) DDR4 2133MHz (PC4-17000) CL15 Desktop Memory (BLUE) - MD16GK2D4213315AB


During the process I formatted my harddrives and reinstalled windows (first time using windows 10, always been a fan of 7) and have the 64 bit Windows 10 Pro installed.


When I enter bios the bios show 16gb of RAM read in the correct channels however I cant seem to allow my computer to use more than 8gb of RAM which is detrimental to a lot of the things I do on this.


Browsing countless forums Ive tried a variety of fixes, like turning off the Auto Manage Paging Files, reseating RAM, checking bios to make sure its running at the correct speeds/voltage, I have no idea what to do next. 


This is currently Windows 10 Pro 64 bit, I thought it might be that I havnt activated it yet (waiting on a key) but from what I have read that doesn't affect available RAM usage.

Edited by asaper, 24 September 2017 - 04:13 PM.

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#2 JohnC_21


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Posted 24 September 2017 - 04:50 PM

Unless I am wrong I could only find your MB supporting intel CPUs and you have an AMD. Can you link to the MB support site showing AMD Ryzen support?

Edited by JohnC_21, 24 September 2017 - 04:54 PM.

#3 dc3


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Posted 25 September 2017 - 11:04 AM

How did you determine that Windows is only allowing half of your RAM to be utilized?


Please download and install Speccy to provide us with information about your computer.  Clicking on this link will automatically initiate the download.

When Speccy opens you will see a screen similar to the one below.


Click on File which is outlined in red in the screen above, and then click on Publish Snapshot.


The following screen will appear, click on Yes.


The following screen will appear, click on Copy to Clipboard.

In your next post right click inside the Reply to Topic box, then click on Paste.  This will load a link to the Speccy log.

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