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my PC sometimes makes crackling noises while it's on and I was wondering if there was something wrong. It sounds like something is inside my PC, but I don't know for sure. I have a HP Pavilion that I just brought a month ago. Whenever I turn on or off my computer, it makes this buzzing sound that lasts a short time. When my PC is off, it makes a little noise and you can't hear it unless you get close. Is a normal Pc supposed to be absolutely silent? Also, I forgot to mention that it sometimes makes noises that sound like a car engine. The noise is not very loud.
I brought it about a month ago. I don't know why my Pc is like this. I think it uses a mechanical hard drive. – Jeanne – 2017-07-18T22:15:38.393
My best guess it is a failing hard drive. There are not too many moving parts in the computer. Besides that maybe a more serious issue with the power supply "crackling"? If so it could be a fire hazard. @Jeanne – Sergio Dominguez – 2017-07-18T22:30:01.723
I'll probably return this Pc and get a new one. If it could be a fire hazard, then I have to get rid of this Pc immediately. Thank you. @DidYouPingMe – Jeanne – 2017-07-18T22:37:07.520