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1 Posts

08-29-2019

US

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  • Message 11 of 18

Re: Legion Y740 electrical buzzing noise

2019-09-07, 6:02 AM

Did u guys got your replacement ? Is the problem still exist? I am having the same problem too, i just got my laptop 20 days ago.

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6 Posts

09-03-2019

DE

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  • Message 12 of 18

Re: Legion Y740 electrical buzzing noise

2019-09-22, 12:48 PM

Was the issue still persisting after you received your repaired unit?

 

I'm asking because I'm hearing the exact same noise from the OP's video. It's - ironically - especially audible when the headphones are plugged in and the laptop isn't running on battery.

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33 Posts

03-03-2018

IL

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  • Message 13 of 18

Re: Legion Y740 electrical buzzing noise

2019-11-20, 20:42 PM

all I can say that it's very sad that lenovo stop using JBL , from that day all their machines sufferes from poor and unquality sound.

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26 Posts

11-15-2019

GE

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  • Message 14 of 18

Re: Legion Y740 electrical buzzing noise

2020-01-03, 21:04 PM

Exact same noise in my P53 with RTX 3000. I've seen reviewers mentioned it in their reviews that high end graphics cards are making this noises, RTX 3000 and above it. Honestly, I don't know if I should worry about it, return for replacement or just be with it. One thing I know for sure, it is the GPU.

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6 Posts

08-02-2019

FI

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  • Message 15 of 18

Re: Legion Y740 electrical buzzing noise

2020-01-03, 21:13 PM

Hey, sorry I haven't given any replies, I sent back my laptop for repair but they didn't find any issue (well they did, apparently my fans were damaged but it wasn't the problem), and then I got a new power brick which didn't remove the noise. This seems to be just the coil sound of the RTX, resonance when they are on high power usage, I just go with it, haven't been gaming in a while so I have forgotten about it.

I guess it's alright and normal,a hopefully won't be an issue.

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26 Posts

11-15-2019

GE

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  • Message 16 of 18

Re: Legion Y740 electrical buzzing noise

2020-01-03, 21:24 PM

Hey thanks for your reply,

 

Well, I was little bit sceptical about all of these noises being normal. All my laptops were silent, except their HDD and FAN of course. This is trully powerful machine and if this power can't be achieved without this noise, well, what we can do? Just, every time I run some demaning game like WOT, just like you, I hear this annoying sound, which immediately alerts me if there is something wrong going on.

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1 Posts

02-24-2020

DE

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  • Message 17 of 18

Re:Legion Y740 electrical buzzing noise

2020-02-24, 18:50 PM

had the same issue with my y740 except this buzzing sound was coming only when gpu was being used and my laptop was on charging mode.

Opened a ticket, sentpback my laptop   and got a message   "Machine issue has been identified as failing component(s) after performing problem determination. Despite our best efforts to maintain inventory of all repair components, the service parts needed to repair your machine are currently unavailable. We are working diligently to complete the repair in a timely manner and will do everything possible to provide current status updates as additional information becomes available

 

."

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3 Posts

04-23-2020

US

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  • Message 18 of 18

Re:Legion Y740 electrical buzzing noise

2020-04-23, 19:22 PM

Did they tell you exactly what parts where failing?

My laptop did this(Y740 -IRHg) and after some time it developed charging issues.It wouldn't charge or power up at all.They replaced the motherboard fully.

After the repair the laptop was normal for some time.Today i noticed it started doing the sound again.

I'm afraid it will fail again.If someone knows something about this hardware bug and in what part of the design they messed  up please shed some light.

 

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