See if unplugging all connections and power for a few minutes brings it back. Only apply the power and no inputs to see if you can get a menu. After that extend the warranty, wait the waiting period then call it in.
i come in from work, & she's sleep w/tv on(audio,no video) i jokingly say what happened you broke it? she looks confused/groggy, because she was watching the SERIES but feel ASLEEP...i don't bother 2 investigate because it's late. i awake & STILL same problem...my GEEK SQUAD expired in JAN2015...what should i do??