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No POST, Fan running, PSU Working !!

This is a discussion on No POST, Fan running, PSU Working !! within the Motherboards, Bios|UEFI & CPU forums, part of the Tech Support Forum category. Recently my system went off abruptly couple of times due to power outage as it was not connected via UPS.

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Old 06-21-2016, 03:59 AM   #1
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Recently my system went off abruptly couple of times due to power outage as it was not connected via UPS. Then when I tried to turn on the system, it simply didn't. I didn't hear a POST beep, but the fans started running, Both the CPU and GPU fans. Tried resetting the BIOS and that too didn't work. I left the system off for around 20 mins, then tried again. This time the system POSTed and even Booted. Started using it and couple of minutes later it went off on its own. Afterwards it didn't start for another umpteen tries. Then all of a sudden it did. Again it went off and haven't started till now.

I switched the PSU with another and removed the GPU and tried to boot, this time also no POST happened but the fans running. (First time around the fan was running at a greater speed, second time around it started off big then turned down.)

Removed the RAM also, didn't even hear the post beep. Fans still running. I have no clue what this is due to. If you guys could help out. That would be nice.
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Old 06-23-2016, 07:16 AM   #2
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Issues after storm/power outage are typically the sign of faulty hardware.

Shutdowns typically indicate a power supply or motherboard issue.

You could use the bench testing guide to troubleshoot further: https://www.techsupportforum.com/foru...er-918754.html

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