Shutdown process freezes

[claudiologiudice]

Thank you.
Did you have problems with your wifi card?

[ale3andro]

No problem with the wifi. Works out of the box.

[Zeljko_Kostic]

I installed couple of distros before I found this solution, about to update bios. I have a question for those of you who did it already: Do you see any speed improvements after updating it? My boot time is slower on all the distros I've tried (Ubuntu, Fedora, Mint, Kubuntu) than on win 10 I have installed, and I'm not used to windows being faster (lol). I know it's a still thread, but I'd appreciate an answer. Thanks in advance

[ale3andro]

Well I can't answer this question because I don't use the Windows 10 Installation so much. But doesn't this depend on the startup applications too?

[Zeljko_Kostic]

I'm talking about fresh installs. Maybe it's the incompatibility with the old bios that's slowing them, but, none the less it's something puzzling to me. I will report boot times in a couple of days, when I get it running and set it up properly and to my liking.

[powerman2]

I'm using Lubuntu 15.04 on a Lenovo Essential B50-30, a low-end machine. When I shut it down, after a few seconds (during which you can see the Lubuntu logo and dots "....") the screen just gets stuck (the colored dots beneath the logo not moving anymore), and I have to long press the power button to have it turned off. Am I damaging my pc? (Not really sure if the process is completed or the processor's still working).
Are you aware of any possible solution?

As this appears as one of the first Google results relating to this problem, I'm gonna beat the poor dead horse.

The problem may or may not be related to a new driver in kernel versions 3.19 and up. Reverting to linux-image-3.16 solved it for me. The machine now shuts down and reboots normally.

Reconfiguring and recompiling the kernel also should solve it, if this is indeed the source of the problem. Haven't tested that yet. My machine is Lenovo cheap business B50-10 with Insyde UEFI. It does come with some sort of UEFI mailbox device type of thing, at least in Windows Downloads they list a driver for that.
Source

[StingerMD]

Greetings,

I've registered just to post the solution that worked for me, hopefully it would be helpful to someone.

(first the solution, story below

Lenovo B50-30 with Ubuntu 14.04, same symptoms: not shutting down, not rebooting.

Go to bios, last tab:
"OS Optimized Defaults" set it to "Win8 64bit" or "Enabled" (based on your Bios version)
Hit "Load default settings" (not totally sure it's required).

Save and exit

After this the power works as expected. (although it's unexpected since it's not win8 we're using

It has something to do with UEFI/legacy compatibility and it solved the issue for me.


And now, the story
I've been struggling with this issue for a good couple of hours today, and none of the solutions posted here or on other forums/blogs helped (including bios update as someone mentioned).

I was so stubborn to fix it because it's the second laptop of this make/model in our office and the first one (which I've set up a couple of weeks before) works totally fine, and I knew it's not a global and unsolvable bug.

The laptop was brand new with FreeDOS and I can't remember whether it came with this setting set this way from factory or I have changed it thinking "I'm not installing Win8"
We have one more in the box and I'll check if I get curious enough

I also have an assumption about why BIOS update was helpful to someone - it resets settings to their defaults, and if they changed it before it has thrown it back to win8.


Please, let me know if it helped you, it will make me feel better about the time wasted into hunting this issue

[flint3]

Hey StingerMD, thank you so much this is it! It took me 3 days and your solution was the only one that worked for me.

[jolfig]

I'm using Lubuntu 15.04 on a Lenovo Essential B50-30, a low-end machine. When I shut it down, after a few seconds (during which you can see the Lubuntu logo and dots "....") the screen just gets stuck (the colored dots beneath the logo not moving anymore), and I have to long press the power button to have it turned off. Am I damaging my pc? (Not really sure if the process is completed or the processor's still working).
Are you aware of any possible solution?

Its a common problen with GRUB2 configuration file
Edith this with:

sudo nano /etc/default/grub

change the line: GRUB_CMDLINE_LINUX_DEFAULT with

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi=force apm=power_off"

and update GRUB with

sudo update-grub