That works also. Now it is in your grub.
Get rid of this parameter. Unless you are having problems with an NVME SSD it is not needed.
Progress! Even if it is a little.
I think you mean explain. I go into more detail about ACPI parameters here. link
TLDR: You told the Linux kernel to “mimic” Windows 10 ACPI calls. This way all your hardware is powered properly.
If you can get to them, the logs for lightdm are located here. /var/log/lightdm
Can you post what they say?
Something to try.
Temporarily disable TLP. TLP can sometimes cause issues with Optimus Laptops. If doing this does not help, you can re-enable it.
sudo systemctl disable tlp.service
to re-enable TLP.
sudo systemctl enable tlp.service
When you have a blinking curser, can you go to a TTY by ctrl+alt+F3? If you said that you can’t previously, I am sorry. I must have missed it.