Do you have another Linux Live Distro at hand to check what the device at USB 1-1.3 actually is? This might help. Malte On Sun, 1 Nov 2020, 14:06 soheilkhanalipur--- via Bug reports for GNU Guix, wrote: > Does this mean I have non-free firmware? > I put "modprobe.blacklist=i915" in grub, but the problem is not resolved. > I am confused! Is there no solution? >