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When I turn on my laptop, it repeatedly makes a buzzing sound. I have tried to clean the fan and vent with compressed air and I have tried resetting the laptop but the buzzing sound is still there.
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I have taken a good long look at your laptop's inside (thank you so much for attaching photos!). The only moving part I could see is the fan. You have no hard disk and no DVD drive or anything else that moves, meaning the fan has to be the cause of the noise. It is an unusual noise for a fan, but that is the only possibility. If you tried cleaning it and that didn't work, then it probably needs to be replaced. There are no guides on iFixit for doing a fan replacement (or anything else about your laptop for that matter), but if you figured out how to get inside the laptop, then replacing the fan won't be too much of a challenge. If you get stuck, there's always YouTube! While you're at it, you could create a guide so someone else who is having a similar problem can have a guide to follow.
Good luck!
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@availabled76629 totally agree with @fixer85785 that sounds like a bad fan. Here is the guide for it HP Envy x360 15m-cn0012dx Fan Replacement
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Here was the solution to my HP x360 fan noise issue. Everyone is talking about the fan speeds, but the fan should be virtually silent during use. You shouldn't even know that it's on at low speed.
Follow me here... You laptop chassis has flex. It's built to have a certain amount of flex. It's designed into the unit. The fan is inside of an enclosure. Sure, it might be dirty... but, more than likely, the metal plates and case of the fan enclosure is slightly bent, causing the fan blades to contact the enclosure. First, clean it out thoroughly. Take the fan enclosure apart. Careful not to lose the little screws. Take the fan blades out and clean them...REALLY clean them, with a clean, dry toothbrush, or something of the sort. Clean out ALL AREAS around the fan location. We're cleaning for two reasons. To make sure that no dirt or dust get into the fan, AND to make sure that no buildup is pushing against the fan enclosure in any way. Put the flat enclosure pieces on a flat glass table, and look to see if it's completely flat. Reassemble the fan and the enclosure, and plug it into the motherboard. Move the fan around and in different directions. See if you can detect the noise any longer. The fan should be running, but completely silent. No matter what the speed is. If you still hear the fan, that means that you're going to have to go back into the enclosure and do some bending and adjusting of the enclosure. Run the fan without the enclosure cover to see if it makes any noise. If it's silent, then the contact of the fan blades is probably occurring with the cover. Press it out gently with your fingers, and visibly inspect where it might be rubbing. Observe the fan's ability to spin freely throughout the process. Plug it into the motherboard before reassembling, and turn the computer on. Observe the fan and listen to the noise level. Once you've bent it to the right position, there should be no noise.
Now, you may want to remove any stickers and labels on the outside of the fan enclosure. The thickness of that sticker might be the difference between it being pressed out of shape again. This also might be a good time to reapply fresh thermal grease/paste to the cpu and heat sink. I removed several pieces of tape and some labels on the fan enclosure. Carefully route the wires and cables around the enclosure back into their correct places.
Reassemble, checking for noise at every step of the way.
My laptop is now still cycling and the fan comes on, but you just can't hear it, because of the rubbing issue. The bios and programming wasn't the problem. It was the enclosure being slightly bent.
Hope this helps, I'll post it here and elsewhere.
Jimmy Fingers
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HP won't acknowledge this, but it's a design fault that YOU can fix! The center hub of the fan rubs against the case when gripped, held, moved, carried... any time that you squeeze the chassis near the edge where the screen is attached, the center of that fan presses against the bottom panel of the laptop, and it SCREAMS! The simple solution is to take the laptop apart, and stack tape on the fan housing and strategically around that area to keep the hub from rubbing. Look at the inside of the computer's backside cover... there should be a swirl where this rubbing occurs. I used about 3 layers of gorilla tape, all around the fan hub opening in the fan housing, and, VOILA, no more rubbing! Common sense. HP won't acknowledge this. My laptop is the HP Envy x360 15" i5 2016 15-aq120nr 8gb . Sorry that I didn't get pictures, getting that case back off is a task in itself. Jimmy www.jimmyfingers.com
After purchasing a new laptop from Best Buy, I heard a high-pitched, whining noise when the fan turned on. Curious why a new laptop would do this, I ordered a basic IFIXIT kit and opened up the back panel of the laptop.
Immediately, upon looking at the right fan, I realized the issue - there was a 1"x 0.5" piece of hard plastic wedged into the fan case. Once removed, the fan was much quieter, and I've had no further issues.
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HP won't acknowledge this, but it's a design fault that YOU can fix! The center hub of the fan rubs against the case when gripped, held, moved, carried... any time that you squeeze the chassis near the edge where the screen is attached, the center of that fan presses against the bottom panel of the laptop, and it SCREAMS! The simple solution is to take the laptop apart, and stack tape on the fan housing and strategically around that area to keep the hub from rubbing. Look at the inside of the computer's backside cover... there should be a swirl where this rubbing occurs. I used about 3 layers of gorilla tape, all around the fan hub opening in the fan housing, and, VOILA, no more rubbing! Common sense. HP won't acknowledge this. My laptop is the HP Envy x360 15" i5 2016 15-aq120nr 8gb . Sorry that I didn't get pictures, getting that case back off is a task in itself. Jimmy www.jimmyfingers.com
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