Genie mini has no aud/vid out of HDMI

After a lightning strike that hit the pole servicing my garage that the genie mini is in .... This caused the power to be out for a couple hours. Waiting for the power company to arrive.... I turned on the TV in the house and had a never seen before error message from my genie dvr. I didnt write it down. I unplugged the dvr from the wall for a few minutes and plugged it back in and after it rebooted ... I had tv in the house like normal. Couple days later I went out to my garage and turned the sat/tv on and tv says No Signal. I have no aud/vid out of the hdmi port. I have the genie mini hooked to a stereo for aux sound and I get sound from the stereo. I have tried numerous mini / dvr resets and still no aud/vid other than the stereo aux. The mini is extremely warm to the touch. Any thoughts are appreciated.