Question PSU noise after power outage ?

DPU

Sep 30, 2021
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Hello,

While pc was on, I had a power outage from the extreme winds in my area, basically a cable in my area fell off and cut the power in the neighbouring houses. Now after turning on my pc again I feel that it makes more noise at idle. I found the noise is coming from the PSU (Corsair CX 550W). At 2.5 feet (in my face level) it emits 29db while near next to it it emits 38db (measured with smartphone app). I think this must be a bit louder than normal. Also, no more noise when gaming and CPU, HDD, GPU temperatures are fine. Is this noise normal? If not, can this outage be the cause of my PSU noise?

Thanks in advance
 
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