New PC is making a buzzing noise

Hey there

So, I just picked up a new rig, running a Dell Inspiron motherboard with an Intel processor. Every time I boot it up, I get this weird beeping sound. It’s like this low buzzing or chirping noise. It isn't deafeningly loud, but you definitely notice it. Honestly, I can't quite put my finger on it—maybe it sounds a bit like a cricket or a muffled tea kettle whistling. Anyway, it's some kind of buzz or beep. It feels off; I wouldn't call this "normal" behavior. I have no clue where it's coming from. The pitch seems to shift depending on what I'm doing on the PC. For instance, when my antivirus is running a scan, the buzzing gets more erratic instead of staying constant. Once the machine goes into sleep mode, the sound stops completely. What could be causing this? The only thing I should be hearing is the faint hum of a fan, right?

I think it's possible the whining sound is coming from the transformer inside the power supply. Maybe try listening to the PSU while it's running versus when it's in sleep mode.

Honestly, I’m thinking they might’ve shoved some defective hardware on you... because whenever it hits standby mode, it just shuts itself off and goes dead silent. But then, when you actually try to use the drive, it starts making this weird, stuttering noise... just my two cents, though, and who am I to say anything, right? 🙂

Usually, you’re looking at some coils—big or small—shorting out on either the GPU or the motherboard. Most of the time, it's the power supply transformer causing the headache. But if the power draw fluctuates depending on what the hardware is doing, you should probably run a diagnostic on the drive first using something like CrystalDiskInfo to check its health status...

@Antomon
I'll give it a shot. Thanks.

@Lawrence Barnes64/">@@Lawrence Barnes64
That was my first thought, too. Could be the hard drive acting up. I'll check that out next. Appreciate it.

@darkowl72/">@@darkowl72
I'm going to run that utility to check the drive health. Thanks.

I'll let you guys know what I find.

Alright, I popped the case open and took a listen. I'm pretty damn sure that whining sound is coming straight from the power supply. I ran CrystalDiskInfo just to be safe, and the hard drive seems totally fine—it shows a Mayo Clinic: Good. Based on where the noise is coming from, it’s definitely the PSU. Is that squealing a sign that the unit is failing? I'm assuming I should just swap it out.

Honestly, I’m not even sure if that noise is coming from the power supply. When I listen closer, it sounds like it's coming from down low, near the motherboard. But then again, I can't pin down the exact source for certain. I'll probably just have to take the rig to a shop to get it checked out properly.

darkowl72, if the coils on the board or the GPU (which is integrated into the CPU here) are actually whining—assuming that's even what's happening—does that mean there's an actual defect with the board or the graphics?

What a pain... Honestly, the repair techs are just going to send it back to you claiming everything is working perfectly. And they aren't wrong—if it technically functions, you’re stuck. It could chirp like that for years and still "work." If I remember correctly, some guys over on the PC hardware forums dealt with this ages ago; there was an entire series of graphics cards that had this weird whining or chirping issue, though I can't recall the specific model.

You could check here, but you really need to pinpoint what's actually making the noise first, and it's probably best to let someone with more experience handle that. If it turns out to be power supply whine, you can usually tackle that with some DIY fixes.

Still, it doesn't cost you anything to file a warranty claim and see what they say. If they turn you down but you're certain about what's causing the squeal, then take it up with the manufacturer and ask about a replacement. It's interesting, but sometimes these things get settled faster by going straight to the manufacturer's support line.

By the way, do you have a small speaker or a buzzer connected to the motherboard? Like, one on the board itself or inside the case? If so, try unplugging it from the motherboard for a second just to see if that happens to be the culprit...

If you're hearing that noise coming from your graphics card, it’s most likely what darkowl72 mentioned—coil whine. It's actually pretty common, so don't worry, it doesn't mean your card is broken or anything. Just a heads-up so you aren't stressing about it—they won't be swapping out your hardware just because of that (assuming that really is the issue)

Thanks for the input.

I took my rig in to get checked out, and turns out it was the CPU cooler all along. They pulled off the stock one and swapped it for a Zalman. I was actually right there when they disconnected the original cooler, and sure enough, that buzzing/whining noise stopped immediately. This new Zalman setup makes a similar sound, just way quieter.

There isn't even a buzzer or a tiny speaker connected to the motherboard.

I can't say for sure if it's the GPU. That whining sounded like it was coming straight from the CPU cooler. It’s good to know that if it *was* the graphics card, coil whine is just a thing that happens. But like I said, once the cooler was replaced, the noise vanished—well, at least most of it. People told me that's just a normal sound for a cooler to make, but honestly, it was driving me nuts. It was loud enough to be constant. Now there's still a tiny bit of that "zzz-zzz" sound, but it's much better; honestly, I don't even notice it anymore. :-)

Well, at least now you know the culprit was just that noisy CPU fan. If you’re still looking to dial down the noise, you can always hop into your BIOS settings—look under the CPU fan section—and drop the RPM from "full" down to "low" or "normal." It should help quiet that little cooler down quite a bit.

Alright, thanks. I'll check it out.
Unfortunately, this cooler is making this weird buzzing sound too, and it keeps changing pitch. I'm guessing it might be the radiator. If that's the case, there isn't much we can do about it. If it's something else, it's probably just how it is. But I gotta admit, I'm not used to hearing that noise. It sounds kind of like a high-frequency whine. Anyway, things are looking better now. :-)

amberhound89 said:Alright, thanks. I'll check it out.
The cooler's making this weird buzzing sound too... keeps changing up. Probably just the radiator. If that's the case, there's nothing to be done. If it's something else, maybe it's just how it is. Still, not used to hearing that. Sounds like some high-frequency whining. Whatever, at least it's better than before. :-)

What kind of frequency are we talking about for something spinning at 3 or 4 thousand RPM? Just close the case (or move it a foot away if you have to) and you'll be fine.