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1. Touchpad Not Working After Sleep

Keyboard & Mouse Not Responding after sleep or hibernate I have a Lenovo Yoga 2 11 laptop that I installed the W10 Preview on a while ago (a clean install). Yesterday I installed the new upgrade to the Tech Preview and it seemed to go well, with everything working as expected.

I have a Toshiba Satellite c670/670d laptopn. Last week I installed Ubuntu 16.10 next to Windows 7. As I can remember first it worked well (it's possible that's not, can't remember for sure), but then I discovered that after boot the mouse and keyboard are not working (before that there is no problem when I have to choose what OS to load). The USB mouse still works fine.

I have found similar questions but none of the answers from there solved my problem.

But accidentally I found out that if I close the laptop to go to sleep after login screen comes up, then I wait a few seconds and open it to wake than mouse and keyboard are working again.

I tried to check for errors after boot but nothing then I checked the syslog but since I'm not an expert in Linux I couldn't find any line with an important information for me.

I hope that with the sleep/wake information there is someone who got an idea how to solve this.

Touchpad Not Working After Sleep

Thanks!

1 Answer

OK, so here is another question ( https://askubuntu.com/a/348171/651062 ) what I didn't found until yesterday after I posted my question. There is an accepted answer which also solved my problem.

I copy that answer and accept it because it looks like it's still relevant.

1) Run the following command in terminal

sudo nano /etc/default/grub

2) Locate the following section in the file:

GRUB_CMDLINE_LINUX=' '

Replace it with:

GRUB_CMDLINE_LINUX='i8042.nomux=1 i8042.reset'

3) Save the file and exit nano.

4) Run the following command in terminal:

sudo update-grub

5) Restart your computer.

Now everything should work fine.

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