Toshiba User's Guide for Satellite L305/L305D Series
Page 73
... or Hibernate command if you will not be using it for a while. You must turn off the power while a disk/disc is a good idea to upgrade your computer. If you are not using the computer for several days or if you may lose data or damage the disk/disc and/or..., and Sleep. Make sure the system indicator panel's storage drive light and the drive-in order to turn off your computer's internal hardware (such as memory). It is being accessed, you must turn off your work.
... or Hibernate command if you will not be using it for a while. You must turn off the power while a disk/disc is a good idea to upgrade your computer. If you are not using the computer for several days or if you may lose data or damage the disk/disc and/or..., and Sleep. Make sure the system indicator panel's storage drive light and the drive-in order to turn off your computer's internal hardware (such as memory). It is being accessed, you must turn off your work.