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anurag9799
Adept I

32GB RAM but only 16GB Usable

I have one question that I would like to get help or feedback.

I have upgrade my ram to 32gb, mostly due to video editing from 16GB.

The problem is:
I have a Ryzen 7 2700 and MSI x470 Gaming Plus Motherboard, the QVL is somewhat limited. Even worst, my current Corsair ram sticks are on the QVL and they do give me some problems.

I am using 4*8GB RAM sticks(32GB), and it says only 16GB usable. I removed an stick and it displays 24GB of RAM all usable.

Also, with 32GB cannot perform any overclocking on the CPU, as the system does not boot.

I have already got 3600Mhz of RAM and now i am stuck with this issue.

All the sticks are detected on all the softwares (HWinfo, CPU-Z), but not with windows 10(x64).

Please help.

Thanks

15 Replies
BigAl01
Volunteer Moderator

it sounds like a bad stick of RAM, but I would first try swapping the sticks around to different slots, keeping track of which stick was tried in which socket.  Put a bit of masking tape on each one with a number or letter so you can keep track.  Maybe you can find a combination that Windows will like.

As Albert Einstein said, "I could have done so much more with a Big Al's Computer!".
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Thank you for the response.

I tried the same, checked single slot with individual ram. They are working fine. 

Same model same ram, all the slots filled tried the combinations nothing seems to be working  

ThunderBeaver
Miniboss

I'm running the exact same CPU OS MOBO is MSI X370 M7 ACK with 4x8 32GB Corsair Dominator Platinum PC3200.

Though I've never encountered a bad failed or DOA on Corsair Ram it doesn't mean it's impossible.

If you have a multimeter and know what the default voltage of the RAM is I suggest removing the RAM and testing it. 

I know there is software that can test RAM while system is powered up but a multimeter will give a more consistent result. Make sure you are testing the RAM on a non conductive surface (wooden table is ideal) and away from materials that generate static electricity due to friction (example any cloth like material).

Hope you find the dud soon. 

Check the RAM interface for any defects.

One question does the problem occur when you move the RAM into different slots? If so you may not have a bad ram stick you may have a bad RAM port.  

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I tried the same, nothing is working

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anurag9799
Adept I

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tenzo23
Elite

Have you enabled XMP and selected the RAM's profile?

Also, there's a setting called Memory Try It ! you can try enabling. According to the manual (https://download.msi.com/archive/mnu_exe/mb/E7B79v2.1-GSE-LITE.pdf) "It can improve memory compatibility or performance by choosing optimized memory
preset."

Screenshot 2022-02-23 074815.jpg

/sig Fun guy.
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BigAl01
Volunteer Moderator

Under your Task Manager screen snap, it shows '16.1 GB hardware reserved'.  My current desktop system shows about 81 MB hardware reserved, and I have 64 GB of RAM installed.  For some reason, I think Windows is holding half of your RAM in reserve.  That might be a clue to something.

As Albert Einstein said, "I could have done so much more with a Big Al's Computer!".

First, check this:

Run msconfig
Select Boot tab
Select Advanced options
Make sure Maximum memory is unchecked

 

 

Second, try setting your pagefile to something lower.  Or turning it off, rebooting and then turning it back on and rebooting... 

 

QB

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Well, this is the most common thing i have got as a solution but unfortunately this did not work in my case bud.

Really appriciate your help  

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@BigAl01 wrote:

Under your Task Manager screen snap, it shows '16.1 GB hardware reserved'.  My current desktop system shows about 81 MB hardware reserved, and I have 64 GB of RAM installed.  For some reason, I think Windows is holding half of your RAM in reserve.  That might be a clue to something.


Ahh, good catch @BigAl01 

Perhaps RAMDisk software?

/sig Fun guy.
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Well , i tried and this did not help.

This does not want to system to boot up hence i have to reset the bios again. 

I am sure it's an BIOS issue but could not figure out the exact option.

 

 

Thank you so much for your help

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Salvadorpalmer
Journeyman III

Hello. I am not an expert and not an employee of AMD. Last week I had been faced with the same issue. You should change the System Configuration. This link will help you. Best of luck.

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Serreph
Journeyman III

Believe it or not even though it recognizes all sticks of memory, it's possible that there is an issue with the motherboard. MSI as of late has been noted as not being the most reliable with hardware stuffs. 
I recently had an issue what my PC booted up, everything was recognized but, my benchmarks said my ram and CPU (ALL BRAND NEW OUT OF BOX INCLUDING THE MOBO) were not performing. My CPU was at 8% and my RAM was at 12%. I could run programs and games but, they ran like crap. It is possible for the system to run but not perform properly if the mobo has an issue. 
Maybe take it to a computer store where they have spare parts that can be plugged in to diagnose it. Best advice as I have built many systems in the past and never had an issue until now and could not figure out the issue.

My mobo was bad out of the box. A replacement and mine runs like a UFO now!

"made it to a save point time for bed, nah 5 more minutes"
ASUS Dark HERO MoBo, Ryzen 7 5700G CPU, 1080 GPU, 32gig DRAM, 1000watt Corsair APU, Samsung 1TB M.2 970Pro SSD, Barracuda 2TB SATA
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Yes, i am still in the middle of the discussion with MSI.

That's the last report of replacement or changing the CPU. 

 

Thanks

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Jmork
Journeyman III

Hello, everybody,

I know this is somewhat old topic, but is there a solution to this problem?

I am running AsRock X470 Master SLI mobo, Ryzen 5 1600AF and have the same issue.

Ram runs fine at 1/2/3 sticks respectively with 8/16/24GB of memory but when I plug in the 4th one, it shows 16GB available, 32GB physical memory.

Running tests with MemTest right now but all of the proposed solutions I found in this thread/in other forums as well/ won't work.

 

Thanks for the help.