16.04 won't boot after latest updates

I bought a Dell 17-5755 ten days ago and have been slowly configuring it. Came with Win 8.1, which I first upgraded to Win 10. Then shrank the primary partition to make room for Ubu and installed 16.04. Both have been running fine for the last week.

Yesterday, I started shifting over to the new machine in earnest, setting up Thunderbird and migrating from Evolution. While I was doing this, a notification popped up for a software update, so I started the software updater in the background and ignored it. I thought I had auto update off and don't remember pressing install, but next I looked it had updated and was asking to restart, so I've no idea what the updates were. I was in the middle of something, so pressed restart later. Later came and I restarted from the shutdown menu. The grub menu came up as usual, but I can't boot to Ubuntu and get the following:

/dev/sda6: recovery journal

/dev/sda6: clean, 229524/107610112 files, 10311615/430426112 blocks

[   10.174300] tpm_crb MSFT0101:00: can't request region for resource [mem 0x9d899000-0x9d899fff]

Then it hangs, but something is going on as the fan starts winding up 10-15 seconds later. At this point all I can do it hard power off.

Win 10 still boots fine. The Ubu kernel is still 4.4.0-22, the same as before the updates. I guess I'm looking at starting over with a reinstall of 16.04, but any advice before I do that is much appreciated.

I've had the same problem with Dell Inspiron i7559-763BLK this morning.

I think it is not related to dual boot or hardware fault.

As I understand this problem is related to one of the kernel modules which was built for earlier kernel version. After kernel upgrade you need to rebuild this module or install newer version.

Check what kernel modules you have installed last week with your software (e.g. drivers).

In my case upgrading to a newer nvidia drivers solved the issue.

What I did is reboot in recovery mode, uninstalled the nvidia proprietary drivers, and installed the latest one from graphics-drivers ppa:

sudo apt purge nvidia-*
sudo add-apt-repository ppa:graphics-drivers/ppa
sudo apt update
sudo apt full-upgrade
sudo apt install nvidia-378
sudo reboot