Logitech M570 Wireless Trackball Mouse Microswitch Replacement

crwdns2936071:01crwdne2936071:0 — Detach trackball holder from circuit board

Lift the gray latch and pull the flat cable out of the connector. The trackball holder can then be placed to the side.

crwdns2936071:02crwdne2936071:0 — Separate the circuit board from the housing

Unscrew four Phillips screws (orange) and lift circuit board out of housing, being careful with the wires holding the battery, but these can be lifted out of the housing without further unscrewing.

crwdns2936071:03crwdne2936071:0 — Microswitch replacement

Properly desolder the microswitch (green) at its three contacts

crwdns2936071:04crwdne2936071:0 — Reinstall the circuit board

Make sure that the small circuit board with the two buttons with the hole in the middle (green) is placed over the holding pin. Then it is in the correct position.