Trouble shooting rig

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Joined
12 May 2005
Posts
460
Location
Cambridge, or somewhere else in the world
Morning,

Last night I turned my pc on, and played some Skyrim...no issue there, then decided to play some SimCity. Within a minute or two the game crashed, odd I thought, then started the game again... and it crashed again. Very odd. Decided to reboot and the pc wouldn't turn on. Very annoying.

I took the side off the case, and pressed the power button, fans spun once and died. The pc kept doing this several times. No beep, no nothing. Ok, turn off leave try again. This time fans spun once.

Everything, apart from my case fans and water-cooling pump are less than a year old . The most recent component is an MSI R7950 Twin Frozr 3GDS, which is only a month - 6 weeks old perhaps.... at most.

I'm thinking it's either the power supply or the motherboard was my first thought. I decided to leave it til this morning to work it out.

This morning, I dig out an old motherboard and stick a few bits together and test my gpu and PSU. All boots first time. Well, almost first time... I forgot to plug the power cable into the spare HDD I had. Once that had power, everything worked as expected.

Put original pc back together to check. And it starts up. I go into the BIOS and see it's only registering 8 of my 16GB of ram.

This seems like the motherboard. Shutdown. I take out two sticks of ram. Power up. All good. Shutdown. Swap memory sticks. Power up. Still all good. Play Simcity for an hour. (Just to test y'know).

Turn pc off. Doesn't shutdown properly. Windows closes, fans keep spinning.

Convinced it is the motherboard.

Any other suggestions on things I can check before contacting OCUK about the board and asking for an RMA code?

Oh full spec is:

Intel 3770K
Asus PZ77-V LX
16Gb Samsung Low Profile Green Ram
MSI R7950 Twin Frozr 3GDS
Samsung 830 256GB SSD
500Gb SATA3 Western Digital Drive
Corsair TX750M psu
Window8 Pro 64 bit

Thanks
 
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Try the RAM sticks one by one and run MemTest to see if they all pass with no errors. What are the temperatures like, try running prime95 and see how the computer handles it.
 
will do. currently all 4 sticks are in the mobo but only 2 are recognised.
 
clear the cmos,it could be borked due to crashing and not detecting all your ram

clear it by leaving the motherboard battery out a good 30 minutes,then put back in along with all your ram and try
 
Will clear cmos and see what happens.
I'm feeing doubtful as the sound is no longer working, my virtual machine wont work and and other software is crashing.
 
Well, I've tried all stick in another pc. No problems there. I've already tested the psu and graphics card. I've cleared the cmos and this did ot do anything to help except the damn thing wont boot at all now.

Think I've done all I can now.
 
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