crwdns2935355:0devicecrwdnd2935355:0crwdnd2935355:0crwdne2935355:0
crwdns2935335:0crwdne2935335:0
crwdns2935381:0crwdne2935381:0
crwdns2936071:01crwdne2936071:0 — Uncover and Remove the Screws
Remove the ball and flip the base over.
crwdns2936071:02crwdne2936071:0 — Opening the Case
Using an opening pick, pry up the lower case from the bottom.
crwdns2936071:03crwdne2936071:0 — Remove the Circuit Board
Flip up the retaining lever of the ZIF connector on the horizontal optical sensor.
crwdns2936071:04crwdne2936071:0 — Dust the Circuit Board
Dust the button contacts by pressing on them with a spudger and blowing into them with a hand blower. Repeat ten to twenty times for each of the four contacts.
crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0