There is a typo:
"nano etc/default/grub"
try this
"nano /etc/default/grub"
Should be able to edit it....
Running 12x GPU on the Biostar TB250-BTC Pro with Simplemining OS
There is a typo:
"nano etc/default/grub"
try this
"nano /etc/default/grub"
Should be able to edit it....