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9 Posts

08-22-2019

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Lenovo Legion Y540 17IRH Hybrid mode screen flickering

2019-08-22, 22:05 PM

Hi,

 

I have an issue with little black lines when I use the hybrid mode, with Intel UHD 630. When I desactivate hybrid mode, no problem with the 1660 ti.
I have the last BIOS "BHCN29WW" and fully upgraded drivers. I don't know how to use hybrid mode without the issue..

How to inform Lenovo? Someone can help me?


Regards

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8 Posts

08-23-2019

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Re: Lenovo Legion Y540 17IRH Hybrid mode screen flickering

2019-08-23, 5:15 AM

Same problem here. I've noticed that the black lines reduce when I fully disable the night mode (from lenovo vantage and the night mode settings in the windows 10 os)

I've tried reinstalling intel graphics drivers, and resetting the laptop, but the issue is still there.

I think it could be a bug in the lenovo vantage. 

Other users, please help us! 

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9 Posts

08-22-2019

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Re: Lenovo Legion Y540 17IRH Hybrid mode screen flickering

2019-08-23, 5:59 AM
Another possibilty to switch iGPU / GPU exist instead of vantage?
I see a lot of people send the PC to Lenovo, but this is a software issue. The PC run great, and when I'm in the BIOS, any graphical issue. It's just the version of vantage (probably the compatibility with others PC create issue instead of an personalized vantage version..)
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8 Posts

08-23-2019

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Re: Lenovo Legion Y540 17IRH Hybrid mode screen flickering

2019-08-23, 7:03 AM

The hybrid mode is the only option to switch the graphics I guess.

I have checked the bios and found there is no option to enable switchable graphics. 

I've also heard that the hybrid mode is actually a good alternative to nvidia Optimus as the discrete graphics performance drops ever so slightly in nvidia Optimus. 

Its most likely a bug with vantage. Hopefully we shall see this fixed in the upcoming software updates. 

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9 Posts

08-22-2019

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  • Message 5 of 25

Re: Lenovo Legion Y540 17IRH Hybrid mode screen flickering

2019-08-23, 8:26 AM

More iGPU is used by application more black lines appear. And flashing black screen appear when I use Opera or something like Store. Lenovo Vantage stop the consumption allocated for iGPU? or that's the software does not have the last driver intel HD 630 ? (I will install it but I can't because Lenovo block installation of driver by myself, need Lenovo software to update. I send a request. Do it too.. Together we can have a solution..

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8 Posts

08-23-2019

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Re: Lenovo Legion Y540 17IRH Hybrid mode screen flickering

2019-08-23, 8:39 AM

Yeah, I'll send a complaint to lenovo. 

BTW, I've tried installing intel drivers from official website. But that didn't help either. 

If I'm correct, it's certainly the lenovo vantage that's the culprit

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9 Posts

08-22-2019

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  • Message 7 of 25

Re: Lenovo Legion Y540 17IRH Hybrid mode screen flickering

2019-08-23, 9:52 AM

I tested the hybrid mode, Minecraft Bedrock launched and desactivate GPU in Device Manager. I see black lines with iGPU.
After that, I desactivate iGPU, and same issue with just the GPU only.
With the iGPU et GPU activate, same problem. 

Desactivate hybrid mode resolve the issue but, we can't use iGPU.

Software problem

Yes, we need a quick fix.. for the battery saving..

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10 Posts

08-16-2019

TR

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  • Message 8 of 25

Re: Lenovo Legion Y540 17IRH Hybrid mode screen flickering

2019-08-24, 16:47 PM

Hi guys, if you're talking about this:

https://streamable.com/s/rlbj9/sjzrks

I have this issue too. Random horizontal lines on screen.

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9 Posts

08-22-2019

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  • Message 9 of 25

Re: Lenovo Legion Y540 17IRH Hybrid mode screen flickering

2019-08-24, 19:53 PM
Oh yes, that's the same problem ! You send a request to Lenovo?
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8 Posts

08-23-2019

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  • Message 10 of 25

Re: Lenovo Legion Y540 17IRH Hybrid mode screen flickering

2019-08-24, 19:58 PM

Link ain't opening

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