It seems fixed in bios version 1.79
https://download.lenovo.com/pccbbs/mobiles/n2lul17w.txt "Fix an issue
where Linux system cannot restart or power on after system shutdown when
AC adapter is attached." Many thanks for your help.
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Lenovo has released the new version of bios for Lenovo ThinkPad X390 -
1.78 https://download.lenovo.com/pccbbs/mobiles/n2lul16w.txt but
unfortunately this problem still persist. Do you have information about
any progress please? :-(
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AaronMa thank you for info. But what do you mean with "EC" please? And
feedback from who?
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https://bugs.launchpad.net/bugs/1890415
Title:
Lenovo ThinkPad X390 won’t boot
Got feedback, it will be fixed by new EC.
Please wait for the new update.
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https://bugs.launchpad.net/bugs/1890415
Title:
Lenovo ThinkPad X390 won’t boot while plugged in
I suppose that 1.75 breaks it. I have the same problem on Debian 10 Buster with
kernel 4.19.0-10-amd64 too. So I also don't think it's Ubuntu specific... I
have tried report it here, on kernel.org
https://bugzilla.kernel.org/show_bug.cgi?id=208783 and on bugs.debian.org
I've downgraded to firmware 1.73 through the Gnome Firmware application.
The issue is not present on this version and I can reboot like a normal person.
I suppose I can figure out if it's 1.74 or 1.75 that breaks it.
Not really sure where to report this, I don't think it's Ubuntu
specific, I use
Alex Delifer many thanks for your verification and confirmation this
bug. I hope that fix will be release in short time.
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Title:
I came across this bug looking for a solution.
I can reproduce on 1.75 and now 1.76, W variant of the BIOS on my X390
Yoga i5 no vpro.
When you shutdown/reboot the laptop, everything shuts down like normal,
but my FnLock and Mute keys stay lit and the screen is black no
backlight. The computer
Please upgrade to the latest version of bios N2LET76W 1.76
https://pcsupport.lenovo.com/sk/en/products/laptops-and-
netbooks/thinkpad-x-series-laptops/thinkpad-x390-yoga/downloads/DS539544
directly, you can use BIOS Update Utility for Linux (n2lul15w.zip) from
this page or via Lenovo Vantage
The BIOS of X390-yoga in my hand is N2LET26W (1.07), it couldn't upgrade
directly.
$ sudo fwupdmgr update
No upgrades for X390-YOGA Thunderbolt Controller, current is 20.00: 20.00=same,
20.00=same
No releases found for device: Not compatible with firmware version 0.1.7,
requires >= 0.1.64
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Thanks for your help. But I have installed Bios N2LET76W 1.76 (you can
see it in bug description too) and I have the same problem. :-(
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The changelog contains several fix for hang at BIOS post:
- (Fix) Fixed an issue where system might hang at POST when attach USB C to
DisplayPort
Adapter cable.
- (Fix) Fixed an issue where WWAN device firmware update process might fail when
Thunderbolt BIOS Assist Mode is set to
https://pcsupport.lenovo.com/sk/en/products/laptops-and-
netbooks/thinkpad-x-series-laptops/thinkpad-x390-yoga/downloads/DS539544
There is a update of n2lul15w, please try it.
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Could you try set "optimized" = "enable" or "disable", then load default
setting?
Meantime I will try find one to reproduce.
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Title:
I have the same problem when I plugged my notebook only with original
power adapter. So it will be probably issue between bios/firmware-
kernel.
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Not only dock I have the same problem with the power adapter too.
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https://bugs.launchpad.net/bugs/1890415
Title:
Lenovo ThinkPad X390 won’t boot while plugged in
Status
Oh, I see.
It can not reboot from Ubuntu with plugin dock.
It probably because of the dock devices, what kind of dock?
Can it boot with power adapter only after power off from Ubuntu?
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If it plugged in, it does not display nothing (Lenovo logo, POST test etc),
when I unplug the notebook from the power adapter, or remove it from the dock
during starting process boot continue normal.
I Have checked it, but it can not boot BIOS until unplugged.
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It could not post BIOS logo on docking, right?
Could you try if Window block it from booting?
1, Power off laptop, and cold boot to Ubuntu;
2, plugin dock;;
3, Reboot from Ubuntu.
To check if it can boot BIOS.
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