Boot Problem

[Aravisian]

@LiusKenn_03

EDIT:
omg, I'm so sorry, I didn't know this. Point no. 2 when I was in Zorin Grub menu, I chose Zorin OS. But when I opened up my terminal and checked just now, I'm using the 40 kernel again, not the 39. I didn't realize this at all. I thought it'd keep using the 39 kernel

Zorin OS will, by default, always boot into the latest kernel unless instructed otherwise.
By booting into an earlier kernel, you can test if it helps resolve a regression that a later kernel introduces.
If that works, you can set the system to default boot into your preferred kernel, instead of the latest:

[HOW TO] set an older kernel to default boot

You may need to use an earlier kernel than the current kernel used by Zorin. This method allows you to set the kernel that you will boot into by default. To set the new kernel to default: Boot into the kernel you wish to be Saved. Open terminal and run: sudo nano /etc/default/grub Change GRUB_DEFAULT=0 to GRUB_DEFAULT=saved Hit enter to drop down a line. Add GRUB_SAVEDEFAULT=true ctrl+x to exit, then the y key to say yes to save, then the enter key to save as current configuration. Ru…