Question Strange buzzing noise which goes away

gamexplosion56

Commendable
Apr 7, 2018
2
0
1,510
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Whenever I turn on my pc, a buzzing noise shortly follows and then stays for around 10-15 minutes before going away. This didn't happen before and I don't know whats causing it but it sounds like it is towards my fan or graphics card, (the fan is over where the graphics card is).
 

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