PC Crashes W/ 3 Sticks of RAM

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za10aj12

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Jul 20, 2012
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I recently got a load of new parts for my computer, which has been a hassle, but I finally think everything is working good (I say that in case that might be the problem). I also got 2x4 sticks of RAM, that whenever I combine with the old sticks, crashes the PC and wont turn completely on. It just starts all the fans, shuts off, and repeats.

New RAM: Corsair Vengeance 2x4 1600MHz 1.5V
Old RAM: Corsair Vengeance 2x4 1600MHz 1.5V (yes the exact same)
MoBo: MSI Z77MA-G45
OS: Windows 7 64-Bit
And if this matters-
CPU: Intel i-5 3570 3.40GHz

Each stick of RAM works perfectly fine, and they all work with each other, too. I've tried bread boarding, I've looked everywhere, I've looked at the BIOS drivers and updates for anything about RAM. If anyone could help me, that would be appreciated.
 
Solution
goodguy713
try increasing the voltage for your ram if you have it set at 1.50 v then try 1.55 or 1.53 it should help with stability.

also check to make sure all the timings are the same if one type of ram has lower cass ratings than the other you will have to default to the higher cass ratings.
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goodguy713

goodguy713

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try increasing the voltage for your ram if you have it set at 1.50 v then try 1.55 or 1.53 it should help with stability.

also check to make sure all the timings are the same if one type of ram has lower cass ratings than the other you will have to default to the higher cass ratings.
 
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Solution
Traildriver

Traildriver

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Sep 10, 2010
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If you are combining old ram with new that is probably your problem. Compatibility of ram between batches of the same brand, different brands, slightly different timings is all very poor. Ideally RAM should be bought as a complete kit, pretested by the manufacturer for selling as a kit.
 
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za10aj12

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Jul 20, 2012
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I have interchanged all the sticks together with only 2 in the mobo, and they all work just fine together. Its just when I add one more or all 4 of them, it causes the problem. Which is why I suspect it is not the RAM. And I tried the voltage, no avail.
 
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za10aj12

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Jul 20, 2012
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Ok so I put a stick in the 3rd slot, then the 4th slot, and neither of them worked. It detected a stick in there because there was no beeping from the motherboard, but it just turned the fans on and restarted.

Even when 2 sticks are in the 1st and 3rd slot, it doesn't work
 
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Traildriver

Traildriver

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Didn't quite understand which slots did NOT work, but if only using one single stick in the board for the above testing of each slot (with restart of the PC after each stick move) resulted in an error situation then you have a bad board. In any case keep in mind for the next board that different batches of memory (even from the same manufacturer) may give you problems. In this case, using memory from different manufacturing batches did not cause the MB to fail. The MB did it all on it's own.
 
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