Use ligar to talk about calling or connecting – almost always when talking about modern technology: telephones, computers, networks.
ligar
to call, turn on
euligo
você, eleliga
nósligamos
vocês, elesligam
Complete conjugation.
Eu vou ligar para você. (I'm going to call you.)
Você quer ligar à Internet? (Do you want to go online?)
Ligar can also be used to express caring or, connectedness.
Eu não ligo. (I don't care.)