Removing the back case is easy and snaps right off, giving you access to all the parts inside.
Hold the netbook top-side down with the lid closed.
Slide the plastic battery release latches towards the lock symbols.
Slide the battery out from the netbook.
Turn the netbook to view its edge.
Press both orange eject buttons simultaneously, and use a spudger to pry off the back case.
Pull the back case off from the front edge.