I can Help; I've been trained by DirecTV. I have worked as a Technical Support Supervisor for DirecTV for...
You will need to call into Technical Support at 1-800-531-5000 for further assistance. Sounds like your receiver needs to be replaced
being in crg (customer retention group/save team), i am the last person you will ever need to speak with to...
You most likely need your receiver replaced - call 1-800-531-5000 and speak with technical support - With Protection Plan free plus $19.95 d&h.
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Sounds like the box is done for. Call the 800 # for very brief troubleshooting and get you out a replacement. You should get it be Wednesday. No charge for shipping if you have protection plan. No charge for replacement either way.