50L3400U LED TV 5 months old- won't respond -blank screen

50 L34000U bought at best buy this fall...I plug it in- it turns on..seemingly-but it flashes the toshiba logo then goes to a dark blue screen- will not respond to remote or any buttons on tv- no front light but i see lights in back- what to do?
i called toshiba support and they said turn off for 24 hours- which ive done - i ve tried the reset -nothing..its been sitting for a week now- and just plugged in - did the same - toshiba logo flashed on screen then .nothing.. ugh? sooo bummed.
rather than call toshiba support ( which was atrocious) what are my options? is there anyone in Los angeles area who knows of a toshiba repair person? is it worth repairing? ( i paid 650.00 in october) any all suggestions are welcomed..Thanks

Any ideas?

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