How to fix kubuntu that halts while booting on battery

To fix a machine that freezes during boot when its on battery, follow this:

1.) Edit grub and reboot the machine
     a.) sudo nano /etc/default/grub
     b.) add nolapic between the quotes on the line GRUB_CMDLINE_LINUX=""
     c.) sudo update-grub


The test temporarily, enter into grub during boot up:
1.) Hold left Shift button during boot
2.) Press the 'e' button
3.) Edit the Linux line to include the option acpi=no
4.) Optionally, remove the "quite splash" option from the Linux line to see ubuntu boot up *
5.) Hit Ctrl+x to reboot

*This will also help debug the problem if these instructions don't fix the problem.