How to Clean the Screen on a MacBook (5 Steps)

Turn off the computer, unplug the power cord and remove the battery. Whenever using liquid of any kind around a MacBook, or any computer, it is important to have all power to the unit turned off and removed to protect you from shock.
Dampen a soft, lint-free cloth with water. Don't use anything other than water unless it is purchased from an authorized Apple Dealer. It is important that liquid is not sprayed directly onto the screen.
Gently wipe the screen with the dampened cloth. Even using just a cloth and water it is easy to clean off most smudges and fingerprints from the screen.
Wipe the screen down with a soft dry cloth after it has been cleaned to dry any liquid still on the screen and prevent streaking.
Replace the battery, plug the power adapter back in and power up the MacBook. The screen will be crisp and clear. It is a good idea to clean the screen every month to prevent the build up of grime.
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How to Remove an Apple Mac Hard Drive (9 Steps)

Back up all of your data. Before attempting to remove your existing hard drive, it is essential to save all of your data.
Shut down your computer and let it cool for 30 minutes. You will not want to attempt to remove a hard drive that has been running because the internal components may be too hot to handle.
Unplug all cords from the laptop, including the power source.
Turn the computer upside down and lay it on the soft lint-free cloth.
Release the battery hatch by taking a coin and turning it counterclockwise. The battery should pop right out.
Touch the metal surface underneath the battery. This will discharge any static charge and is extremely important to do before proceeding.
Remove the three screws along the RAM door. These are located on north side of the RAM door.
Remove the RAM door, an L-shaped bracket, that you previously loosened.
Unroll the hard drive pull tab. You will see a white tab that looks like tape. Pull it slowly to remove the hard drive.
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