This model of Mac does not support Catalina :(
No, the heater will only work on the voltage it was designed for. You would need a stepdown transformer.
I’m not Dave, but I used a vacuum desoldering tool to remove the beeper, which was easy. I think there would have been enough room to cut it out also. The only hard part was getting the black ring off and then back on.
Quando isso acontecer, você poderá ver um gráfico da reputação que ele adquiriu ao longo do tempo.
Aqui está uma prévia de como será o gráfico:
Nenhuma reputação adquirida ainda.