Just added pcie.aspm=off after the word splash in /etc/default/grub giving:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash pcie.aspm=off"
Then I ran sudo update-grub which gave:
root@Desktop:/etc/default# sudo update-grub
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.19.0-43-generic
Found initrd image: /boot/initrd.img-5.19.0-43-generic
Found linux image: /boot/vmlinuz-5.19.0-42-generic
Found initrd image: /boot/initrd.img-5.19.0-42-generic
Found linux image: /boot/vmlinuz-5.15.0-73-generic
Found initrd image: /boot/initrd.img-5.15.0-73-generic
Memtest86+ needs a 16-bit boot, that is not available on EFI, exiting
Warning: os-prober will not be executed to detect other bootable partitions.
Systems on them will not be added to the GRUB boot configuration.
Check GRUB_DISABLE_OS_PROBER documentation entry.
Adding boot menu entry for UEFI Firmware Settings ...
done
I then rebooted and tried again: still same issues.
Just added pcie.aspm=off after the word splash in /etc/default/grub giving: LINUX_DEFAULT= "quiet splash pcie.aspm=off"
GRUB_CMDLINE_
Then I ran sudo update-grub which gave: /etc/default# sudo update-grub grub.d/ init-select. cfg' 5.19.0- 43-generic img-5.19. 0-43-generic 5.19.0- 42-generic img-5.19. 0-42-generic 5.15.0- 73-generic img-5.15. 0-73-generic OS_PROBER documentation entry.
root@Desktop:
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-
Found initrd image: /boot/initrd.
Found linux image: /boot/vmlinuz-
Found initrd image: /boot/initrd.
Found linux image: /boot/vmlinuz-
Found initrd image: /boot/initrd.
Memtest86+ needs a 16-bit boot, that is not available on EFI, exiting
Warning: os-prober will not be executed to detect other bootable partitions.
Systems on them will not be added to the GRUB boot configuration.
Check GRUB_DISABLE_
Adding boot menu entry for UEFI Firmware Settings ...
done
I then rebooted and tried again: still same issues.