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-[* black] Flip case so that the removed part is facing up.
+[* black] Flip the drive so that the circuit board on the bottom and the optical sensor is on top.
[* black] Remove screw holding the optical sensor.
[* icon_note] Note: Take off tape on the wires to separate optical sensor.
-[* black] Remove the four black screws on the edges of the case.
- [* icon_reminder] After taking out the screws you don't have to open the case just yet.
+ [* icon_caution] The wires on the optical sensor are very weak. They will break easily if much force is applied to them.
+[* red] Remove the four black screws on the edges of the case (Image 3).
+ [* icon_reminder] After taking out the screws, you don't have to open the case just yet.