PC Restarting multiple times before booting. Memory?!

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Fyriek

Commendable
Aug 17, 2016
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Hey folks, just need a little help here. I had an 8gb stick of ram in pc a few days ago. I just recently ordered another stick of memory, same brand, same model etc and installed it aswell. The only problem is, is that my mobo (ASRock Extreme 4) is displaying a 55 or SS error when attempting to boot. It acts like the pc is restarting about 5 times before it launches windows, they are restart intervals of about 8 seconds, doesn't even display bios in time. I have tried putting the stick of memory in slots a2 b2, b1 b2. After the pc finally does boot into windows, it shows I have 16gb of ram and that they are working fine. I'm just a little worried this will become a larger problem. Any help is appreciated! THANKS!
p.s. I will note that when i originally built my pc it was a 16gb kit with two 8gb sticks, i got rid of one and just recently bought a single 8gb stick to put in there. perhaps this is affecting, shouldn't though.
~Fyriek
 
Solution
MeanMachine41
This is a common problem Fyriek when you mix DIMMs.

Memory vendors bin memory kits at their rated density. If an end-user combines memory kits to make up a higher density, the memory timings that each kit is programmed with are no longer valid or guaranteed to work. It is in the manufacturing process where slight variations occur. In fact, memory vendors themselves advise users not to combine kits. Even Kits of exactly the same spec are not guaranteed to work together.

Some users try to combine four such kits to save money and those situations are the worst for anyone trying to help the user get the system stable. The frustration involved is far too taxing for both parties requiring precise changes in Primary and Secondary Timings and...
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MeanMachine41

MeanMachine41

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May 8, 2014
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This is a common problem Fyriek when you mix DIMMs.

Memory vendors bin memory kits at their rated density. If an end-user combines memory kits to make up a higher density, the memory timings that each kit is programmed with are no longer valid or guaranteed to work. It is in the manufacturing process where slight variations occur. In fact, memory vendors themselves advise users not to combine kits. Even Kits of exactly the same spec are not guaranteed to work together.

Some users try to combine four such kits to save money and those situations are the worst for anyone trying to help the user get the system stable. The frustration involved is far too taxing for both parties requiring precise changes in Primary and Secondary Timings and voltage within Bios.

My advise is return what you can and keep the rest for spares. Buy yourself a single matched kit of the size you need and ensure the kit has been tested in accordance with the MB manufacturers QVL list.
 
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Solution
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Fyriek

Commendable
Aug 17, 2016
5
0
1,510


Thanks so much for your speedy reply MeanMachine41. I can actually get my hands on the other stick of ram that belongs to my original so I will just do a swap. I appreciate you informing me on different kits and such. Thanks again, Kris
 
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