Before you begin this process, make sure to back up your data, be sure the laptop is off and disconnected from its power source and all external peripherals are removed to prevent eddy static electricity. Use an anti static wrist strap or touch a grounded metal object before handling the device.
If possible work on an anti static mat or table, you'll need a small Phillips head screwdriver, a plastic scribe and a small flat head screwdriver to complete this removal. Once you've completed the previous steps, turn the system over on its closed lid and loosen the eight captive screws securing the access panel with the system turned over on its lid.
The battery is located on the bottom right hand side of the system disconnect the battery cable from the motherboard loosen the single captive screw on the right hand side of the battery, lift the battery up and away from the laptop with the laptop lying flat on its closed lid. The hard drive assembly is located in the bottom right hand corner of the system disconnect the hard drive cable from the motherboard.
Remove the four screws that secure it in place, lift the hard drive assembly away from the laptop to reinstall the hard drive place the assembly back in the correct position with the sat a connector on the left hand side and aligned with the screw balls, put the screws back in the correct places and reconnect the hard drive cable to the motherboard.