Please run:
sudo dpkg -P \ linux-headers-5.10.56-051056 \ linux-headers-5.13.7-051307 \ linux-image-unsigned-5.10.56-051056-generic \ linux-image-unsigned-5.13.7-051307-generic \ linux-modules-5.10.56-051056-generic \ linux-modules-5.13.7-051307-generic
then reboot. You should be left with a working 5.11 kernel.
Please run:
sudo dpkg -P \ 5.10.56- 051056 \ 5.13.7- 051307 \ unsigned- 5.10.56- 051056- generic \ unsigned- 5.13.7- 051307- generic \ 5.10.56- 051056- generic \ 5.13.7- 051307- generic
linux-headers-
linux-headers-
linux-image-
linux-image-
linux-modules-
linux-modules-
then reboot. You should be left with a working 5.11 kernel.