M7470n power button flashing

This PC has worked flawlessly for some time without problem.  I have installed a licensed version of Windows 7 from MS Technet and everything seemed to be good.  Actively during the use of the PC, it went completely dark.  The power button started alternating blue and yellow flashing. The LED on the back of the PSU is lit.

I found that if I unplugged the power cord & then pressed & held the power button for 5-10 seconds, it would stop flashing.  When I reconnect the power cord, it starts again normally, but the PC turns off again everything using it as before.  The CPU & case as expected fans function when the PC is running.

Is finally - the power LED flashes (not the one on the power supply to the back of the PC) as described above an indication of sleep / standby or something else?  I remember that when the PC is on and used, this would indicate blue - and when, in a form of Eve, there amber glow.  I can't find a definitive answer about the State of amber blue alternating.

I had the same problem. When you press the power button, the blue power led for half a second and started to blink orange/blue. The only way to reset this behavior was to remove the power cord for one minute. The problem started intermittently and as time passed, it was worse. Until today where I have never been able to start. I finally found the problem. It was a power supply problem. I opened the power supply to find 5 capacitors were bulging. I'd say it's probably normal because this PC was purshased in verse 2005 (8 years). I replaced 5 capacitors (total $ 5) and it works like new. Hope this helps other people with the same problem.

Tags: HP Desktops

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