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Help! After a recent firmware update the Denon X4000 is not working properly at my mother-in-laws house 1500 miles away. Her components include a recent vintage Panasonic Plasma TV, Time Warner HD Cable Box, Denon AVR-X4000, and MX-850 Remote with MRF-260. All connected with HDMI cables. Before the firmware update everything was working fine and I was a great son-in-law.


The picture and sound are all over the place with the picture coming in and out of focus yesterday as we were trying to troubleshoot over the phone. Additionally, the remote is not functioning properly, so my 76 year old mother-in-law can only turn unit off by hitting button on front of Denon AVR-X4000. There have been no other changes besides the firmware update that I know of.


Has anyone else had issues after the most recent firmware update?
 

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No issues here.


I would suggest a micro-processor reset or, at the very least, unplugging the power cord from the back of the receiver for 10 minutes.
 

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