Question 32GB Ram with only 15.9 Ram Usable. 16.1 Hardware Reserved

Sep 1, 2020
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I currently have a issue with my Ram where 32GB is inserted and only 15.9 is usable and 16.1 is hardware reserved. I have done multiple things and probabally spent hours researching other threads and watching videos trying the MSCONFIG attempts and so on. Nothing seems to be working and i have made sure to check my ram multiple times and cross check it on PC Part picker. I even went to extremes to buy a new motherboard and see if that would work. Unfortunately the new motherboard did not even recognize my CPU. Everything is brand new and purchased last year into this year. I am desperatly trying to find solutions before having to buy a new CPU and Motherboard just to get my RAM to work. I stream so i would like for everything to work as i do play games that have alot going on within the screens. I will list my parts below so that way i can hopefully get further guidance. Thank you in advance!

Motherboard: MSI X470 Gaming Pro (MS-7B79) (AM4)
CPU: Ryzen 5 2600
RAM: Corsair Vengeance LPX 16GB (2 X 8GB) DDR4 3000 (PC4-24000) C16 1.35V Desktop Memory - Black PC Memory CMK16GX4M2D3000C16 (2)
Corsair Vengeance LPX 16GB (2 X 8GB) DDR4 3000 (PC4-24000) C16 1.35V Desktop Memory - Black PC memory CMK16GX4M2D3000C16 (2)

If there is anything else that i should include please let me know. I have screen shots as well. I'm really hoping that someone will be able to help me out. Thank you.
 
Sep 1, 2020
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Just to make sure that it is working i change it to 32768 and click ok and then when i go back into the boot window just to see if it works it keeps resetting itself to 0.
 
Sep 1, 2020
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Yes I am. I go into Boot, Then Advanced, then i click on the number to type 32768 and hit ok, i then hit Apply and then i check to see if the number stays. Resets back to 0.
 

Ferimer

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Aug 19, 2011
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So i just got done restarting my PC and the Maximum Memory reset back to 0.
now when you go into bios and enable the profile. see what it says in task manager. if it still says 16.XGB hardware reserved for you then go back into msconfig. Uncheck the Max RAm option click ok, then apply, then ok and restart and see if that fixes it
 
Sep 1, 2020
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So nothing seemed to change as of now. I did everything as you requested and i am still at a stand still. Now the only issue that i have is i would not know what to do to fix the mhz of ram speed within my bios.
 

Ferimer

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Aug 19, 2011
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So nothing seemed to change as of now. I did everything as you requested and i am still at a stand still. Now the only issue that i have is i would not know what to do to fix the mhz of ram speed within my bios.
WHen you are in your BIOS do you see this image >>> BIOS

if you do do you see where it saysA-XMP profile? turn that to on if you can
 

Ferimer

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Aug 19, 2011
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I already turned it the A-XMP profile to on already and still nothing.
Okay, here is what youre gonna have to try next then. Do you know where the CMOS battery is? If not locate it. once you find it. youre going to turn off the PC. take out the plug from the Power supply. flip the switch to the off position on the PSU if you have on. remove the CMOS battery then press POWER button the case once or twice. wait about 5 minutes. After the 5 minutes replace CMOS battery. plug in the cord, switch to on then power up. ENTER BIOS again and turn on XMP profile.. restart and see what it tells you about your ram. If that doesn't work then you may need to flash your bios with the latest update.
 
Sep 1, 2020
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So i took out the CMOS Battery and reset and waited 5 minutes. Nothing happened and everything is still the same. I took screenshots in hope that these could help just a little bit.
 

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