9.Reconnect the power cord and turn on the computer.
10.Lock any security devices that were disengaged when the access panel was removed.
Removing and Replacing the Primary
NOTE: Before you remove the old hard drive, be sure to back up the data from the old hard drive so that you can transfer the data to the new hard drive.
The preinstalled
1.Prepare the computer for disassembly (Preparation for Disassembly on page 92).
2.Remove the access panel (Access Panel on page 93).
3.Rotate the drive cage for internal drives to its upright position.
4.Rotate the power supply to its upright position. The hard drive is located beneath the power supply.