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10-15-2020

GB

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Y740 Wake on LAN

2020-10-15, 21:27 PM

Hi, is there a way I can power on my laptop with the lid closed? 

 

I've made Wake on LAN work via an app on my phone from Sleep, but can't make it work from Hibernate or Power Off. Checking the BIOS settings there are no Power options. I'm not sure if I'm missing something or if the Y740 just doesn't support it.

 

Thanks

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2698 Posts

12-13-2016

US

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Re:Y740 Wake on LAN

2020-10-15, 22:11 PM

IIRC, WOL won't work from hibernate or shutdown as, in both cases, power is removed from the NIC on laptops. 

 

IMO, you don't WANT a laptop to wake with the lid closed. These things are designed to dissipate heat under the assumption the lid is open. Closing the lid is like putting a panel of insulation where some heat dissipation is expected. Surface area in combination with fans dissipates heat. The fans, alone, may not be enough if the lid is closed, especially if the display lights up. That'd add heat to an already dicey situation. Just my opinion.


Doc


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