Will not turn on. we had a power outage the otherday when the power came back on we could not turn

Question

we had a power outage the otherday when the power came back on we could not turn the tv on the blue light is on the unit it is hooked up to a power surge protector, tried to unplug turn off on back of the unit will not turn on the tv is a 237tii olevia 37 in tv. any answers sure would like to here from someone.