GA-P55M-UD2 first time continuos boot issues

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BritMatt

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Sep 17, 2009
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I just built my machine and its running on the above mentioned GA-P55M-UD2 mobo. Everything appears to be plugged in correctly and where it is supposed to be. When I go to plug everything in and start it up the fans are running and the power on light flashes for 3 seconds then it shuts down and goes quiet. 3 seconds later this process will resume and continue doing this indefinatley. All this time nothing is being displayed to the monitor.

If i remove the 2 2gig sticks of memory nothing is displayed to the screen and the fans will continue to run. Might this be a problem with my mobo or memory?

Thanks
 
Solution
F
Chito123 - That Corsair memory you listed is Triple Channel ddr3, the core i5/i7 8xx only supports dual channel ddr3, one of the differences which makes them the more mainstream processor. You have to be careful when choosing parts for the core i7's b/c the i7 9xx are slightly different than the i7 8xx.

With that being said, I don't know whether or not the triple channel memory would fail to work on a lga 1156 board (i5/i7 8xx), but it would only work as single channel.


BritMatt - That Crucial ram is the same ram that everyone is having problems with this mobo. Probably a bad batch or just incompatible, but since we can't get to the bios to update it, we are all SOL if it is just incompatible. 🙁

You have seen the...
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Oft times, a problem like that is caused by A - poor application of heatsink paste; B - heatsink/fan pins not fully seated and/or locked; or C - a cracked HSF locking pin. The etiology is: System powers up, CPU generates heat (and you'd be surprised at how quickly this happens!), can't spill it sufficiently to the HSF, CPU goes into thermal shutdown. Rinse, lather, repeat...

The easiest way to install an HSF is to 'work your way around' the pins - the best way is to do diagonally opposite pins first, and then the other pair. Flip the board, and carefully examine the status of your locking pins...
 
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With the case I sadly won't be able to look on the other side of the board, but I will try placing the heatsink again.

The strange thing is though that it doesn't seem to be doing the reboot cycle if the memory is not in the board. Does this solution still make sense?
 
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I'm curious to see how this comes out, because I am having an extremely similar problem (even the no restarts without ram). I've tried to reapply my HeatSink but nothing has changed. I've done benchtests, made sure everything is connected properly, but nothing helps. I'm starting to consider that its either a DOA board/CPU or a PS issue.
 
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Sounds like its a fairly common issue maybe. If you you guys are sending back any other component and that fixes it please post as well. Luckily newegg has a great policy...
 
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EDIT:Appears to be faulty Crucial ram.....can anyone confirm this?

I'm having the exact same problem.....same board with a Core i5. I'm glad I found this thread. Did you every get a new board and see if that fixed it?

It seems that the board freaks out with ram is installed, constantly restarting. I thought it was a heatsink issue for a while, but I have re-applied thermal paste and the re-installed the heatsink per Arctic Silver's guidelines more than a couple of times.

Bad batch of boards, maybe that is why Gigabyte is taking so long to respond to my question via their tech support zone.

Let me know if you got a new board and if it works.


P.s. - I'm using this Crucial RAM.

It is more than likely either the board or the ram..........
 
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That looks like the same stuff I'm using. Still waiting on the board to be returned, but ya looks like the 'compatible' crucial ram is not so much... Guess i'll be waiting even longer for a ram switch as well...
 
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BrittMatt - that's unfortunate that you choose to RMA the board instead of the ram.....BUT at least we will all know which one is to blame after you get your new board and try it with the Crucial ram again. I hope it works out, but either way let us know! A lot of people are stumped by this mobo/ram combination.

When do you expect to be getting the new board in??
 
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I have this board with a corsair xms3 ddr3 1600 and encounter the same situation (boot for 10 seconds, then pc turns itself off)
the memory states that it is recommended for intel core i7 processor,
so I highly doubt if thats the issue of motherboard rather than memory.
 
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Preciate the info bilbat, but yep, all of us with RAM problems and this board are stuck pre-BIOS (with constant reboots, to boot :pt1cable: ).

But yeah, it is to be expected to have to update the bios with brand new chipsets, boards, and cpu's.....just wish I could there.....)


(reading that post gave me a headache! nice leg work)
 
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Chito123 - Could you give a link to the ram that you have (from www.newegg.com)...because it sounds like the ram that fixed another's problem.

I think ram is the issue, I just want to see the exact ram you have that failed because in this post one had swapped the non-working Crucial ram for this Corsair ram. I just wanna make sure your ram isn't the same......cause that would throw a wrench in my whole "this Crucial ram is the problem" idea.

Thanks, funkswing
 
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Chito123 - That Corsair memory you listed is Triple Channel ddr3, the core i5/i7 8xx only supports dual channel ddr3, one of the differences which makes them the more mainstream processor. You have to be careful when choosing parts for the core i7's b/c the i7 9xx are slightly different than the i7 8xx.

With that being said, I don't know whether or not the triple channel memory would fail to work on a lga 1156 board (i5/i7 8xx), but it would only work as single channel.


BritMatt - That Crucial ram is the same ram that everyone is having problems with this mobo. Probably a bad batch or just incompatible, but since we can't get to the bios to update it, we are all SOL if it is just incompatible. 🙁

You have seen the thread Paul Proteus linked to at anand, right? I think that explains everything. Switched the ram and the board worked "like a charm."
 
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Solution
Paul Proteus -

Did you every pick up any of that Corsair XMS ram and get it working with the GA-P55M-UD2 board?

I thinking about going to microcenter and picking that ram up (CMX4GX3M2A1600C). I'm sick of having this brick lying around and it sounds like switching ram is the answer.


By the way, I'm having the same problem with the same cheap Crucial ram and that UD2 board.


Thanks
 
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