Do you have multiboot or u-boot installed to select between different kernels??? Please check Code: apt-cache policy multiboot* u-boot* Read through the output for installed packages. If not: You need to have kernel-power installed to satisfy the dependencies of qtedger. Try if this installs the kernel without any errors Code: sudo gainroot apt-get install -f apt-get install kernel-power kernel-power-modules kernel-power-flasher If , ...and only if, no errors occur, please reboot to load the new kernel
apt-cache policy multiboot* u-boot*
sudo gainroot apt-get install -f apt-get install kernel-power kernel-power-modules kernel-power-flasher