Lenovo ThinkPad Edge E520 CD Disk Drive Replacement

Close the laptop lid.

Flip the computer so that the back is facing upwards.

Locate the switch used to release the battery.

Slide the switch towards the unlocked lock icon.

While holding it in the unlocked position, slide the battery towards the hinge.

Fully separate the battery pack from the back of the laptop.

Flip over the laptop and position it with the battery being furthest away from you.

Remove the four screws on the edges of the T-Shaped plate with a Phillips #0 screwdriver.

Remove the T-Shaped plate from the back of the computer. It should come off easily if all four aforementioned screws are removed.

There are two screws that have keyboard symbols pointing at them.

Unscrew the screws with a 3.175 mm diameter and 6.35 mm length with a Phillips head screwdriver.

Turn the laptop back over so that the keyboard is facing you.

Use your hands to separate the keyboard from the laptop

Remove all remaining screws on the back of the device.

Screw length 6.35 mm, head 3.175 mm Screws behind battery length 3.175 mm, head 3.175 mm

Flip device back over and open the screen.

Insert the prying tool on one edge of the case and follow along all four edges until the case frees up.

Remove the case.

The silver block contains two screws.

Unscrew the two screws to remove the clamp that holds the disk drive in place.

Screw length 6.35 mm, head 3.175 mm