Fan twitches and LEDs blink when computer is plugged in

Posted by Zifre on Super User See other posts from Super User or by Zifre
Published on 2010-03-21T15:37:08Z Indexed on 2010/03/21 15:41 UTC
Read the original article Hit count: 576

Filed under:

Hardware

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Troubleshooting

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computer-building

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led

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fan

I just finished assembling a desktop for the first time. The specs are:

Gigabyte GA-H55M-S2H motherboard
Core i3 530 CPU
4 GB DDR3 RAM
1 TB SATA hard drive
500 Watt PSU

As soon as I plug in the computer, the "phase LED" starts blinking orange and the system fan LED blinks while the fan "twitches". This continues until about three seconds after I unplug the computer.

This worries me a lot because I haven't even turned the computer on and it continues even after there is no power.

I did make sure the PSU is on the proper power setting.

What is causing this and how can I fix it? Is the motherboard dead?

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