This is a regular verb. It follows the conjugation pattern of the verb falar.
In Brazilian Portuguese, consertar is more commonly used in everyday speech for 'to repair'. The verb reparar sounds more formal in this context. In European Portuguese, reparar is commonly used.
Present:
A Ana repara o computador.
Ana repairs the computer.
Preterite:
O Miguel reparou o carro.
Miguel repaired the car.
Conditional:
A Clara repararia o aparelho.
Clara would repair the device.