Ubuntu – Ubuntu 14.04 freezes after wake up

14.04suspendwakeup

After wake up the login screen appears, but I cannot type the password to log in. Furthermore, the buttons on the system panel (e. g. to shut down) are disabled, so clicking does not take effect. I'm using Samsung RV509, 64 bit.

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The OP provided the solution in a comment:

I've found the solution. I shouldn't have used the open source Xorg driver instead of the proprietary Nvidia driver that seems to work correctly.

– user278680 May 11 at 16:42

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Ubuntu – 18.04 Screen remains blank after wake up from suspend

It is the buggy nouveau driver again. That's what solved the issue for me. Edit the file /etc/default/grub (using Vi editor -- some users have not been able to save after editing in Vi and have had to use the alternate "Ex" editing mode, which substitutes sudo edit below, then Alt+:w and :x for the save and exit commands).

$ sudoedit /etc/default/grub

Add nouveau.modeset=0 to the line that says GRUB_CMDLINE_LINUX then press CtrlO to save the file and CtrlX to leave Editor.

Run

$ sudo update-grub

Now reboot.

Ubuntu – Ubuntu 20.04 doesn’t wake up after suspend

With Dell notebooks I generally configure them like this:

Open the terminal
Install the necessary drivers with ubuntu-drivers autoinstall
Disable the fallback service with sudo systemctl disable nvidia-fallback.service
Then edit /etc/default/grub and add the line: GRUB_CMDLINE_LINUX="nouveau.blacklist=1"
Update Grub with: sudo update-grub
Reboot

With this my colleagues can suspend/hibernate-resume without too many issues … though there are occasional hiccups for people who suspend for 4+ days.

Hope this works for you, too ??

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Ubuntu – 18.04 Screen remains blank after wake up from suspend

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