- Jun 3, 2012
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To build a new PC for my friend, I had to take out my power supply from my PC to test it out on his system. Turns out it didn't fit up with some of his power connectors, so I hooked it all back up in my system in the exact same way I had it when it was working. But when I turned it back on, it had the same problem that my friend's PC had: the motherboard light is on, but pushing the power switch only briefly flashes some of the front case's LEDs on for less than a second with no other reaction. Pressing the switch right after that doesn't even get you a LED reaction. You have to break off power to the PSU until the motherboard light goes out and give the PSU power again to even get that brief LED flash.
This led me to believe that my PSU had gone out, so I checked it with the paper clip test, and the PSU powered up with its fan spinning. Now I don't know what it could be. I have gone through all of the steps from http://www.tomshardware.com/forum/261145-31-perform-steps-posting-post-boot-video-problems. I have made sure that my wiring is correct countless times. I have tried taking out my GPU and all RAM and then tried testing each RAM stick individually. I would try to swap out parts from my friend's PC, but since his is having the same problem, I am reluctant to do this.
What's left for me would be to try taking out my motherboard and putting it on cardboard or in another system or using breadboarding to try to isolate the problem. I'd rather not go through these steps unless I have to, so I'm asking for anymore fixes that any of you would be kind enough to share before I attempt these steps. I'd also appreciate any suspects for broken parts that you can deduce from the information that I've given you.
My motherboard is an ASUS M5A97 AMD 9 Series
My CPU is an amd phenom 965 II X4 Black Edition
My CPU Fan is a Cooler Master RR-V6GT-22PK-R1 V6 GT
My PSU is a ThermalTake TR2 TR-600 600W
My RAM is two 4 GB sticks of the Patriot PG34G1333EL
My Case is a Cooler Master Elite 430 Mid Tower ATX
This led me to believe that my PSU had gone out, so I checked it with the paper clip test, and the PSU powered up with its fan spinning. Now I don't know what it could be. I have gone through all of the steps from http://www.tomshardware.com/forum/261145-31-perform-steps-posting-post-boot-video-problems. I have made sure that my wiring is correct countless times. I have tried taking out my GPU and all RAM and then tried testing each RAM stick individually. I would try to swap out parts from my friend's PC, but since his is having the same problem, I am reluctant to do this.
What's left for me would be to try taking out my motherboard and putting it on cardboard or in another system or using breadboarding to try to isolate the problem. I'd rather not go through these steps unless I have to, so I'm asking for anymore fixes that any of you would be kind enough to share before I attempt these steps. I'd also appreciate any suspects for broken parts that you can deduce from the information that I've given you.
My motherboard is an ASUS M5A97 AMD 9 Series
My CPU is an amd phenom 965 II X4 Black Edition
My CPU Fan is a Cooler Master RR-V6GT-22PK-R1 V6 GT
My PSU is a ThermalTake TR2 TR-600 600W
My RAM is two 4 GB sticks of the Patriot PG34G1333EL
My Case is a Cooler Master Elite 430 Mid Tower ATX
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