Acer TravelMate 720 User Manual page 82

Key Component Upgrades
3. Pull out the hard disk.
4. Insert a new hard disk module into the hard disk bay
and tighten the coin-screw by turning it clockwise.
Note: If you swap hard disks after changing the memory
size, remember to run PhDISK to reallocate the hard disk
space necessary for the hibernation function to work. See
"PhDISK" on page 73 for more information.
62 User's Guide