Hallogen lights in ceiling all not working

Melanie requested 3 quotes from Electricians in Sandringham

there are 2 hallogen lights resessed into my childrens bedroom ceiling. Both suddenly stopped working. tried changing bulb and its not that.

Melbourne Electrical Specialists

Easton Bell Electrical

Carbon Electrical Solutions Pty Ltd

RECESS LIGHT
UNABLE TO INSTALL GLOBE INTO RECESS LIGHT

NO POWER IN KITCHEN-POSSIBLY CIRCUIT BREAKER
NO POWER IN KITCHEN-POSSIBLY CIRCUIT BREAKER

Down Lights are not working even after replacing lights.
Down lights have died. I tried replacing the lights but they still dont work.