Hey guys, First off, i have an amd athlon 64 4400+, A8N-SLI premium and lastly an antec truepower 550W PSU. Here are my symptoms: Computer runs fine, boots into vista. Works great. However, periodically it would just "die". It won't turn on after pressing the power button multiple times and even when i d/c the computer from the wall outlet. The mobo LED light is on whenever this happens but nothing else responds, no fans, no HDD. After a while, the computer powers on after I press the power switch. Works perfectly normal for a while and then dies again. It's like a cycle. I have tested the ram, and CPU. I've even got a voltmeter to measure the power rails of the supply by shorting-out the green wire (power wire). Cleared the CMOS. Anyone know if it's the power or the mobo that's going faulty?
This can be caused by overheats as much as it can power usage - if a PC trips the overheat warning on the CPU or chipset it'll shut down and refuse to reboot unless turned off at the mains then back on. If it doesn't then power on again, however, it's definitely the mobo or PSU at fault. Neither of those are bad quality parts so all you can do really is to swap out the one that's more easily replaced, so that'd be the PSU first.
I've sent in a RMA request to antec. However, this time i tested the PSU while it won't boot up and I found that the 9th pin (standby only has a voltage of 4.76. Everything else is dead-on 5.00V and 3.30v. (12V rails had 11.87) Is this the problem?
While not exceptionally bad, that is a poor voltage considering the lack of load. I think it probably is your PSU at fault.
