I just finished installing 13.04 on my Samsung Series 7 laptop. After rebooting and running the Ubuntu partition for the first time, I ended up stuck on a black screen with a flashing Cap Lock Indicator light. I believe this is a Kernel Panic.
My question actually has nothing to do with why it is stuck in a Kernel Panic. My real problem right now is I cannot reboot from the Kernel Panic. Holding down the power button isn't shutting down the system and removing the internal battery extremely difficult.
Is there some key sequence or trick I don't know for getting the computer to shut off?