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PC shuts off during benchmarks

post #1 of 17
Thread Starter 
Hello fellow OCNers!

Well here is my situation. I recently added water cooling to my rig. I am running an x6 at 3.6ghz at 1.45v with ram at 1600mhz. I also have 2 gtx480s in SLI. Both the ram and video cards are running at stock clocks. I haven't had any problems gaming or benchmarking at all in the past few months. Since I added water cooling, my PC just cuts off hard during benchmarking. I have to pull the power cord out of the PSU and plug it back in to restart the PC. I have an OCZ 1010w PSU. I am running 6 fans in a push/pull on my radiator and have 6 120mm case fans going, for a total of 12 fans. Swiftech MCP655 pump. Also running a raptor HD and a 1tb HD. With me having to pull the power cord out of the PSU to get it to turn back on, does that mean my PSU is not putting out enough power and cutting off? I checked my temps and its not the processor or gfx cards overheating. I would think a 1010w could handle it. If I put my processor back to stock speeds would that help at all?

If it is the PSU, what is the best PSU out there? Price be damned.

Thank you very much for reading and any valuable input will be rewarded
Edited by pali - 3/17/11 at 9:23pm
post #2 of 17
try setting stock speeds in the processor , maybe just a bad overclock. Hope it works
lolcats pc
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lolcats pc
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post #3 of 17
Thread Starter 
Thats the thing. I've had it overclocked to 3.6ghz for 3 months and it has never shut off. It only has happened since water cooling. That is what leads me to believe it is the PSU. All hardware is running cool.
post #4 of 17
you are no where near even 75% usage on that PSU. Check your OC. But check the voltage outputs as well with a DMM

edit: check temps too if the block is not seated correctly the CPU could be overheating and hitting the thermal shutdown.

edit 2: how long does it run before it shuts down? and what are temps?
Black beauty
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Black beauty
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post #5 of 17
Thread Starter 
I know it isn't a heat issue. I have a temp sensor on the side of the processor along with what cpu-z lists. It never gets above 34c. Also the video cards never go above 41c on a full load. It cuts off about 1 min into benchmarking. I just tried to play battlefield, I alt tabbed yo check heat on my programs and about 5 seconds after alt tabbing back into game, it shut off. I had to pull the power cord again to get it to restart. Thanks for reply! What gets me is that I've been running at 3.6ghz for months on air without a problem. Soon as I add all these fans and pump it shuts off

Sent from my DROIDX using Tapatalk
post #6 of 17
Thread Starter 
Here is a snapshot of my hardware and temp monitoring info:

post #7 of 17
Thread Starter 
Well I just went into bios and set everything back to system defaults. Running at 3.2ghz. Opened Battlefield and after about 3 minutes it shut off again. It lasted about a minute longer than last time at 3.6ghz. Again, my cpu isn't going above 34c and gfx cards 41c.
post #8 of 17
Thread Starter 
One more update. I have been gaming for 20 minutes now. What I did was unplug all of my case fans and just keep my radiator fans going. So does this mean my PSU has gone to crap? It is an OCZ 1010w. All I did was unplug that fans and now it seems stable. Is it possible to be like, overloading a single power strand? I had an HD, 7 fans and my pump running off of one molex strand. Is this possible?
post #9 of 17
yoou should max out multi, then when it doesn't boot reset it to stock, because thats your top multi, then max out the fsb and find it till it doesn't boot, then you can find the sweet spot for best perfrmance between using both of them.
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post #10 of 17
lol @ limewire.

Sounds more like a PSU problem than anything.
     
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CPUMotherboardGraphicsRAM
Intel Core i7-4870HQ @ 2.5 GHz (Turbo @ 3.7 GHz) Apple Logic Board Nvidia GeForce GT 750M 2GB 16 GB 1600 MHz DDR3 
Hard DriveOSMonitorKeyboard
APPLE SSD SM0512F 500GB macOS Sierra 15" Retina Display (2880 x 1800) Full-size backlit keyboard with 78 (U.S.) keys 
PowerCaseMouseAudio
85W Magsafe 2 Precision Aluminum Unibody Multi-Touch Trackpad Focusrite Scarlett 2i4 2nd Gen 
CPUGraphicsRAMHard Drive
Intel Core i5-3317U @ 1.7GHz (Turbo @ 2.6 GHz) Intel HD Graphics 4000 4 GB 1600 MHz DDR3L SDRAM APPLE SSD TS128E 
OSMonitorKeyboardPower
macOS Sierra 11.6" LCD/LED Backlit IPS Display (1366 x 768) Full-size backlit keyboard with 78 (U.S.) keys 85W Magsafe 2 
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Precision Aluminum Unibody Multi-Touch Trackpad 
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