This sounds like https://usn.ubuntu.com/usn/usn-3718-1
Please re-open if this updated kernel doesn't fix the issue. Thanks ** Information type changed from Private Security to Public ** Changed in: linux (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1782853 Title: linux Mint 18.03 kernel 4.15.0-29 Status in linux package in Ubuntu: Fix Released Bug description: una vez instalado el kernel 4.15.0-29 en un asus F505B (amd A9), el ordenador arranca con el kernel y se queda "colgado" no pudiendo ser usado en ninguna circunstancia. a la hora de arrancar en modo seguro, el ordenador funciona, pero el kernel no usa los procesadores gráficos de la CPU (tiene 3). To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1782853/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp