I am really perplexed by this problem.
Until this afternoon I had a very stable desktop system, but the USB ports on the motherboard had been going bad for a while, and in any case I wanted to upgrade the motherboard/processor/ram, etc., etc.
I then replaced the following items:
Motherboard (new one is an ASUS M5A97)
Processor (AMD FX 6300)
RAM (two sticks of Kingston Hyper X)
but otherwise keep the system the same. On first boot I get fans, lights, etc. but apparently no post. I try the usual things like on this post: http://www.tomshardware.com/forum/311584-31-dead-motherboard-post, including breadboarding, and no clues to be found, not even any beeps from booting with no RAM. So I figure, ok, I got a DOA motherboard from ASUS, I'll just return it and reinstall the old motherboard/memory/processor combo.
Then I try installing the old system and I get the same type of no post behavior. This is with all components that just worked 5 hours ago before I took them out. Go through the usual diagnostics and again nothing. I have a spare video card and try that, but still the same.
Any idea what could be causing this behavior? It seems like the only constant left is the power supply, but it was just working fine before I started this upgrade project, so it seems unlikely that it would have suddenly failed. But I have no other ideas here.
Thanks for any help!
Until this afternoon I had a very stable desktop system, but the USB ports on the motherboard had been going bad for a while, and in any case I wanted to upgrade the motherboard/processor/ram, etc., etc.
I then replaced the following items:
Motherboard (new one is an ASUS M5A97)
Processor (AMD FX 6300)
RAM (two sticks of Kingston Hyper X)
but otherwise keep the system the same. On first boot I get fans, lights, etc. but apparently no post. I try the usual things like on this post: http://www.tomshardware.com/forum/311584-31-dead-motherboard-post, including breadboarding, and no clues to be found, not even any beeps from booting with no RAM. So I figure, ok, I got a DOA motherboard from ASUS, I'll just return it and reinstall the old motherboard/memory/processor combo.
Then I try installing the old system and I get the same type of no post behavior. This is with all components that just worked 5 hours ago before I took them out. Go through the usual diagnostics and again nothing. I have a spare video card and try that, but still the same.
Any idea what could be causing this behavior? It seems like the only constant left is the power supply, but it was just working fine before I started this upgrade project, so it seems unlikely that it would have suddenly failed. But I have no other ideas here.
Thanks for any help!
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