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Administrator
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Posts: 7,375
Registered: ‎09-03-2014
Location: SK
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Message 91 of 98

Re: Excessive Battery Drain while ThinkPad X1 Yoga Laptop Sleeps

All,

 

If you have Linux installed please refrain from posting in this thread, please post in the discussions you will find in our Linux section.

https://forums.lenovo.com/t5/Other-Linux-Discussions/bd-p/Special_Interest_Linux

 

 

 

 

Andy

 

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shockingpants
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Posts: 31
Registered: ‎08-29-2018
Location: US
Views: 1,361
Message 92 of 98

Re: Excessive Battery Drain while ThinkPad X1 Yoga Laptop Sleeps

https://forums.lenovo.com/t5/Other-Linux-Discussions/X1-Yoga-3rd-Gen-S3-Sleep-BIOS-Update/td-p/42274...

 

Here's the link to an existing thread on this issue for Linux OS.

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leitsda
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Registered: ‎03-14-2019
Location: DE
Views: 1,088
Message 93 of 98

Re: Excessive Battery Drain while ThinkPad X1 Yoga Laptop Sleeps

They did it! BIOS 1.34 is out for X1 Yoga 3rd and it has an option to disable "modern standby" and activate S3 Sleep. There's a warning stating a OS reinstall might be necessary, but for me (Win10 pro 1903) it worked withour reinstalling.

 

Great, thanks Lenovo!

psierak
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Posts: 17
Registered: ‎09-13-2018
Location: US
Views: 1,005
Message 94 of 98

Re: Excessive Battery Drain while ThinkPad X1 Yoga Laptop Sleeps

Thank you so much for posting this! I'm glad I left alerts on for this thread. 

 

What a difference! I was using hibernate this whole time instead of sleep. Sleep so much better Smiley Happy

 

I wonder how the message finally got to Lenovo on this. However it did, better late than never. Thanks!

 

shockingpants
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Posts: 31
Registered: ‎08-29-2018
Location: US
Views: 936
Message 95 of 98

Re: Excessive Battery Drain while ThinkPad X1 Yoga Laptop Sleeps

Thanks for the update (finally).

 

Linux or Win, I can now close the lid, and expect to have a laptop with usable battery life the next time I use it whether that's 1 day or 1 week later. From a usability standpoint, having this peace of mind is incredibly invaluable for productivity.

 

Win's modern standby is just.... sigh...

 

One minor issue I have is the touchscreen disabling after S3 sleep. 

leitsda
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Registered: ‎03-14-2019
Location: DE
Views: 925
Message 96 of 98

Re: Excessive Battery Drain while ThinkPad X1 Yoga Laptop Sleeps

Jep, same for me: Standby works just fine now, but touch/pen input is sometimes not working after wake-up until restart.

bianco17
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Registered: ‎04-30-2018
Location: CH
Views: 895
Message 97 of 98

Re: Excessive Battery Drain while ThinkPad X1 Yoga Laptop Sleeps

Same here, after S3 sometimes the touchscreen/pen will not work, or the WWAN card, or ethernet.

swoonhusker
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Registered: ‎12-04-2019
Location: US
Views: 61
Message 98 of 98

Re: Excessive Battery Drain while ThinkPad X1 Yoga Laptop Sleeps

So in the post above by leitsda I read that starting with BIOS 1.34 we can enable the S3 sleep state.


In this thread I found that it is in the BIOS under Power > Sleep State > and is now called "Linux" . I'm on BIOS version 1.36 right now- https://wiki.archlinux.org/index.php/Lenovo_ThinkPad_X1_Yoga_(Gen_3)

 

After I enabled this setting and ran a powercfg -a it shows the Standby (S3) sleep state is available on my system (this is good).

 

At first I thought this was a good solution. When I click power and tell the computer to sleep, it sleeps correctly. Or if I close the lid, the computer sleeps correctly. I have the lid close action on battery set to sleep.
 
The problem that I have noticed is that when I tell the computer to sleep (and I give it a few seconds to actually sleep) then close the lid, the laptop light on top of the lid will turn solid red and indicate that it has woken itself up from sleep. I can verify this by opening the lid and seeing that the screen is already displaying and network is connected. This could be a problem and still lead to a dead battery and/or hot laptop in bag. 
 
Can anyone else with the X1 Yoga Gen 3 reproduce this issue and does anyone have any solutions?
I tested putting a different computer model (P52s) to sleep and then closing the lid and the computer stays asleep with the red light flashing, it does not wake up.

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