Gracias a los dos. Esto me ha funcionado:
apt-get -t jessie-backports install linux-image-amd64 Con el reinstall instala el mismo paquete: # apt-get --reinstall install linux-image-amd64 Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded. Need to get 5,824 B of archives. After this operation, 0 B of additional disk space will be used. Get:1 http://mirrors.kernel.org/debian/ jessie/main linux-image-amd64 amd64 3.16+63 [5,824 B] Fetched 5,824 B in 0s (10.1 kB/s) (Reading database ... 93660 files and directories currently installed.) Preparing to unpack .../linux-image-amd64_3.16+63_amd64.deb ... Unpacking linux-image-amd64 (3.16+63) over (3.16+63) ... Setting up linux-image-amd64 (3.16+63) ... Gracias por vuestra ayuda. Un saludo. -- Josu Lazkano