if you want to install the Intel microcode package manually, use the following terminal command (USE AT YOUR OWN RISK!):
sudo apt install intel-microcode
This may or may not help you?.
Another alternative is to install the following modprobe package for Nvidia, again; it may or may not help you?:
sudo apt install nvidia-modprobe
“This setuid program is used to create NVIDIA Linux device files and load the NVIDIA kernel module, on behalf of NVIDIA Linux driver components which may not have sufficient privileges to perform these actions on their own.”
If you have a problem with either of the above commands, boot into recovery mode (see Update guide above) and run the following command:
sudo apt remove nvidia-modprobe
sudo apt remove intel-microcode
Restart your PC with Ctrl + Alt + Del!. DO NOT CLICK ON RESUME!.