Maybe mine had been opened before but the cover came off fairly easily. Getting it back on was a little tricky and required some finesse. I was able to get mine off with just my fingers and finger nails.
I agree as well. Step 14 can be skipped and I did it that way as it was advised by users here. Just be careful once the plate is free as it is still connected to those wires and they seem fragile.
Quote from shon:
I agree. I did not disconnect either one either. I propped it against the side of the monitor of the MacBook Pro I was reading these instructions on while doing this repair.
Mine was that way too! No foil.
Quote from Miroslav Djuric:
There should be two pieces of foil tape on top of the connectors on the left side. The laptop in the picture was disassembled previously and somebody forgot to put the tape back...
That's what worked for me. The illustration is correct or at least this procedure worked for me. =)
Quote from shortusername:
I guess this is bottom screw if you have the computer upside-down?
I agree. I was able to use a needle nose pliers to gently grab the black connector and wiggle the connector from the motherboard.
Quote from jerrykrinock:
I would not pull up on the ribbon as is being done in the picture. Note that the black pastic base that you see is the connector part that is permanently attached to the ribbon cable. Use a small screwdriver or spudger alternately on each end of the black plastic base to pry and rock it upwards.
This is correct. The long black screw screws into the keyboard so it does need to be unscrewed, but can be left in place. It may fall out while the laptop is bottom down but if you are working on a towel you'll find it easily.
Quote from mancunianlad:
To be clear on this step you don't need to remove the long black screw (in fact it doesn't appear possible to remove it completely) just make sure it's been unscrewed as much as possible and then leave alone