hey guys, i recently bought a cx750m PSU and connected everything up. unfortunately, it didn't boot up. now, i'm new to modular PSUs, so i'm HOPING TO GOD i missed a connection. but if i did connect everything, i'm afraid that something is shorted out and dead. is there a way to start a PSU without all the components to see if the PSU is just bad or something? i had to buy a new PSU to replace one that blew out.
how to know if components are dead and gone:
- Thread starter Zac Jones
- Start date
ko888
Titan
- Feb 18, 2009
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From Corsair Blog How-to Test Your Corsair Power Supply:
http://www.corsair.com/en/blog/testing-your-corsair-power-supply/
or if you want to see a video from Corsair on how it's done:
Corsair Video FAQ: How to test a Corsair power supply
http://www.youtube.com/watch?v=5FWXgQSokF4
http://www.corsair.com/en/blog/testing-your-corsair-power-supply/
or if you want to see a video from Corsair on how it's done:
Corsair Video FAQ: How to test a Corsair power supply
http://www.youtube.com/watch?v=5FWXgQSokF4
ko888
Titan
- Feb 18, 2009
- 16,708
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If your previous PSU blew up and damaged the CPU VRMs on your motherboard you're not going to get anywhere in your testing until you replace the motherboard.
What was the brand and model of the dead PSU? If it's improperly designed or it lacked the appropriate protection circuits then there is very likely damage to some/many/all components that were attached to it.
What was the brand and model of the dead PSU? If it's improperly designed or it lacked the appropriate protection circuits then there is very likely damage to some/many/all components that were attached to it.
ko888
Titan
- Feb 18, 2009
- 16,708
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There have been at least four different versions of the Thermaltake TR2 500 Watt model PSU. To me that indicates that there is a problem with that model. If it was any good Thermaltake wouldn't have been replacing them that often.
Do you have the CPU and CPU cooler installed on the motherboard with the CPU power connector and the main ATX (20+4)-pin main motherboard power connector plugged in?
the PSU was over-loaded because i had two r7770s and an i5-3570k overclocked. 500w wasn't enough for the two, so it just turned off and wouldn't turn back on. but yes, i do have the cpu and the cpu cooler installed with the main power connector connected. but when you say the cpu power connector, you're talking about the outlet next to the cpu socket on the very top of the motherboard?
yes i do have the cpu power connector connected.
ko888
Titan
- Feb 18, 2009
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If you look at Newegg's customer feedback on the Thermaltake TR2 500W you will see an abnormal percentage of the feedback reporting that the PSU blew up when it wasn't even under a heavy load.
Does the CPU cooler fan turn/twitch at all when you press the power switch connected to the motherboard?
Is there an LED indicator on the motherboard that indicates that the motherboard is receiving +5V standby power when you turn on the PSU's power switch?
i wish. the motherboard won't even turn on. like i said, the PSU fan turned on for a SPLIT SECOND before it turned off again (it won't spin again). i took everything out of the motherboard except for one fan to add some sort of load to the PSU, and the fan wouldn't spin. i really think the motherboard is just dead. should i try baking it in the oven?
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