ram compatability problem?

lilusman77

Commendable
Sep 12, 2018
10
0
1,510
I wanted to put this in the thread that already exists for this topic but the reply button is not there.
I have been having booting issues. Here is my current configuration:
MSI x99a godlike gaming carbon MB
i75820K CPU
32 Ram 8x4 F4-3400C16Q-32GVK
evga gtx 1080 sc
750 watt psu nova gold

About 3 years ago my "buddy" who supposedly builds computers for a living gave me a list of parts and we put together a custom build, it had all the same parts except I had a gtx 970 graphics card and a MSI x99a Krait Edition mother board.
I have never overclocked the computer in any way. With the old components we would have occasional freezes when playing graphically instance games. My son got into obs while gaming so I dedided the 970 wasn't cutting it for this and got the 1080. Installed the 1080 and everything worked good for a day or 2 (it is a beast compared the 970). then we started having booting issues with no display unless we reset the bios and left the computer unplugged for a long time. Called friend and we ran some diagnostics and he said it was probably a bad motherboard so I dropped 400 bones on the new to me godlike gaming carbon. Installed everything and it worked great for 1 day.
I am getting booting issues again but this motherboard has a debug readout and the codes always have something to do with memory. So, I was thinking probably just not seated correctly. I took all the RAM out and rotated them. They are in slots 1,3,5, and 7 as manual says to. Reboots running great!!!!, for 1 day 🙁. So I repeat the process but try each stick in slot 1 by itself to see if I have a bad card. Every time with any card it will boot up perfectly but only 8 RAM aint gonna cut it. Then I put another card in slot 5. Boots up 16 ram, great. When I try to install the 3rd in slot 3 or 4th in slot 7 I am still only registering 16RAM. The bios recognizes that all 4 are plugged in and what they are but board explorer doesn't show anything! CPUZ and windows both show 16 RAM. Once they showed 24 when I had 3 sticks installed but the screen froze and it rebooted with 16. Right now it is running fine but on 16RAM despite having 32 Ram installed. Truthfully I don't know if I ever had all 32gb of ram working. I wasnt a tester! I seriously doubt it is a cpu paste or pin issue as this board is new and I just installed the cpu a week ago.
So this got me to researching the issue here on this fine MSI site and I found the other thread and it is apparently a very common problem. Then I came to these 2 sites after reading the other thread.
http://www.gskill.com/en/configurator?manu=55&chip=2276&model=2778

https://us.msi.com/Motherboard/support/X99A-GODLIKE-GAMING-CARBON#support-mem

My memory is not listed on either site nor is any other 3400 RAM. So, Im thinking from day 1 with my original build I had too high of a frequency of RAM especially the krait edition MB. The highest RAM speed listed on msi support for memory on either board is 3333 and I have 3400 sticks. Im thinking my bud didn't do his research and told me to get the wrong parts and they worked just not well. So my question is do I need to buy new memory that is on the compatability list or do you think I can tweek the bios enough to get these sticks to work. There is 1 XMP profile. Should I turn it on or do some manual tweeking? If manual, what would I change? How much stress will all this added voltage put on my motherboard? If I run xmp can I still overclock the cpu slightly later? Am I better off in the long run just getting appropriate sticks even if I can tweek the bios for these? Im not in front of that computer or I would tell you what the xmp profile settings show. I will add that when I get home tonight.
Thanks in advance.
 
MERGED QUESTION
Question from lilusman77 : "ram not recognized in windows 10"

I installed 2 identical 2x8gb corsair kits this morning on my my pc. My old sticks were too high of a frequency for my new motherboard. Bios and cpu7 recognize all 32gb of ram. Windows 10 on the other hand shows 16gb installed. I do not have the ram overclocked. I think because my old ram despite being 4x8gb was too high of a frequency windows probably never showed 32gb when it was installed. So my question is do you think this is because i installed 2 corsair CMK16gx4m2a2400c16 instead of a complete 4x8 kit? This card is listed as compatible on the msi website. I've googled and youtubed this til i was blue in the face.
Here are most of my specs, i appreciate your help.
msi x99a godlike gaming carbon MB
i7 5820k processor
noctua nh15 cpu cooler
nova 750 gold psu
evga gtx 1080 sc
windows 10 64 bit PRO
 
in regards to my ram not recognized question. I tried running 3 of the 8 sticks in the appropriate lanes and bios, windows 10, evertyhing showed 24gb of ram. So then I tried to add the 4th stick in the approriate slot and bios and windows 10 now show 16 gb. do you think this is a problem with my dimm slot 7 where a 4th stick goes? Why would it bump it down to 16 and not leave it at 24?
 

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