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TX850M installed in a brand new rig - dead hours later?


sixfootsix

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So I spent all Friday morning waiting in line at Microcenter hoping to get my hands on a couple of peripherals for a new build, felt like a kid in a candy store when the doors opened. Picked up a nice Z77, Ivy Bridge, 660Ti - all that good stuff.

 

 

Get home, install goes well, drivers and software cooperate, Windows is auto updating, then BAM - lights out. Thing just dies.

 

But not completely, I can hear the chassis fans and HDD spooling up intermittently. So I take a peak inside to confirm - all the fans spool up for 2-3 seconds then it powers down and does it again.

 

The SSD, HDD and optical drive were all plugged into the same line, so I thought to disconnect the OD and surprisingly this allowed me to power on. Unfortunately, this move only bought me an hour or two before the "power cycling"/"boot looping" began.

 

I repeated disconnected internal devices until nothing was left but RAM. Any thoughts? 850W is plenty of power, no? I bought a $180 power supply specifically to avoid this kind of nonsense. I'm going to borrow a 700W was an old build and see if the problem persists.

 

I don't know if this matters, but this occurred while updating to Win7 Service pack 1. When I was able to boot up after disconnecting the HDD, the system would prompt for reboot, then when the windows splash screen came up, it would just shut down and go into power cycles.

 

Video:

 

http://youtu.be/hLcNZBjS4aI

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Can you please try to start the PSu using the paper clip method found here

http://forum.corsair.com/v3/showthread.php?t=63991

 

If the PSU starts i would look at your MB as the issue, and if you have access to a multimeter you can read the voltages of the PSU through the Molex and SATA connectors. You can see 12v through the PCIe connectors or 12 and 5v from the Molex and the 3,3 v from the SATA connectors

 

he SSD, HDD and optical drive were all plugged into the same line, so I thought to disconnect the OD and surprisingly this allowed me to power on. Unfortunately, this move only bought me an hour or two before the "power cycling"/"boot looping" began.

This also sounds like the MB too, but you a bad memory stick could also cause the boot looping, so you may want to test the memory with memtest as well

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I threw in a 700W PSU from another system and it booted right up. I guess I got a lemon...so I went back and did an even exchange. At least I didn't have to wait in this line again:

 

http://img5.imageshack.us/img5/6013/img20121123075150.jpg

 

The new TX850M has been running fine for a few days with no random power downs or power cycles. Will advise if the problem returns.

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