First, let's take a look at the kernel files on your computer.
[email protected]:~$ dpkg --get-selections|grep linuxlibselinux1:i386 installlinux-firmware installlinux-headers-3.13.0-24 installlinux-headers-3.13.0-24-generic installlinux-headers-3.13.0-32 installlinux-headers-3.13.0-32-generic installlinux-headers-3.13.0-35 installlinux-headers-3.13.0-35-generic installlinux-headers-3.13.0-36 installlinux-image-3.13.0-24-generic installlinux-image-3.13.0-32-generic installlinux-image-3.13.0-35-generic installlinux-image-3.13.0-36-generic deinstalllinux-image-extra-3.13.0-24-generic installlinux-image-extra-3.13.0-32-generic installlinux-image-extra-3.13.0-35-generic installlinux-image-extra-3.13.0-36-generic deinstalllinux-libc-dev:i386 installlinux-sound-base installpptp-linux installqtcreator-plugin-remotelinux:i386 installsyslinux installsyslinux-common installsyslinux-legacy installutil-linux install[email protected]:~$
Then delete the latest kernel, Which is 36:
[email protected]:~$ sudo apt-get remove linux-headers-3.13.0-36-generic linux-image-3.13.0-36-generic linux-image-extra-3.13.0-36-generic
In this way, the old 35 kernel will be started next time.
Many problems are solved.
The new Ubuntu kernel cannot be rolled back to the old kernel.