Memory problem (had 16GB added 16GB) so 32GB but only 8GB now?

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Canis Major

Canis Major

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Feb 9, 2015
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Hello!
I just upgraded my ram to 32GB from 16GB.
I added 2X 8G and when I booted windows only recognise 8gig.
Wow I lost 8 gig by adding 16.
I don't get it.
I followed my mobo manual as how to place them.
Whats wrong?
Picture
PSX_20161207_171908.jpg

 
Solution
Tradesman1
Let's start, with a precept of DRAM, there are no guarantees when mixing packages of DRAM, mixing packages is a crapshoot, even if the same exact model. The DRAM that goes into a package has been both tested and confirmed to play nice together, further, the programming of the sticks is for the individual sets, what you see on a package of ADRAM is simply the base timings, the programming includes numerous other timings, i.e. the Trfc timings rise the more number of sticks used.

With all that said, I would try resetting the CMOS, and start with just the 2 newer sticks to ensure both are good, if all boots and the system sees all the DRAM, go into BIOS raise the DRAM voltage + 0.06 and the VCCSA voltage about the same, save, exit shut...
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Canis Major

Canis Major

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Feb 9, 2015
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windows info : 8Gig
Nvidia experience : 8 gig
Bios : 8 gig
I mean, I really have 8 gig only now, with 4X8GB lol
Why it downgraded to 8 from 16 wow im amazed I really don't know what do to.
 
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captaincharisma

captaincharisma

Glorious
Oct 13, 2004
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45,290


i would check your motherboard Manuel to see if they have any information on what kind of combinations of ram can be used. i also would try out the 2 16GB kits separably to make sure they are working properly

 
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Canis Major

Canis Major

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Feb 9, 2015
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thanks for your help man! I found the problem... rebooted and working now

anyway one is faulty for sure, because I switch position and definitely see that one ram is dead. I am at 24GB now. one is faulty :*(
 
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captaincharisma

captaincharisma

Glorious
Oct 13, 2004
10,963
76
45,290


i would check to see if you can get it replaced under warranty

 
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
67,883
40
126,960
Let's start, with a precept of DRAM, there are no guarantees when mixing packages of DRAM, mixing packages is a crapshoot, even if the same exact model. The DRAM that goes into a package has been both tested and confirmed to play nice together, further, the programming of the sticks is for the individual sets, what you see on a package of ADRAM is simply the base timings, the programming includes numerous other timings, i.e. the Trfc timings rise the more number of sticks used.

With all that said, I would try resetting the CMOS, and start with just the 2 newer sticks to ensure both are good, if all boots and the system sees all the DRAM, go into BIOS raise the DRAM voltage + 0.06 and the VCCSA voltage about the same, save, exit shut down and then add the other sticks in proper slots and try booting. :)
 
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Solution
Canis Major

Canis Major

Reputable
Feb 9, 2015
48
0
4,530


Thank you for your time, explanation and everything.
I am now operating at 32GB!!!
I did not raise de DRAM and VCCA volt, but I just installed the new sticks and rebooted like 10 times, trying different Dimms and finally it worked with magic.
It finally recognise both new sticks. Weird... just by changing dimm and rebooting with the new sticks. I then added the old sticks and it worked perfectly. 32GB!!!!!! thx a lot man!
 
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