The patch completely replaced the HDMI handshake code. Before the patch, the AVR-591 used an older EDID (Extended Display Identification Data) management system. After the patch, the receiver could properly negotiate with PlayStation 4, Xbox One, and modern 1080p set-top boxes without losing sync every 20 minutes.
Ensure the receiver stays powered on throughout the entire process. Where to Find Official Support
: Updates often targeted "flickering" or total loss of video signal caused by incompatible HDCP (High-bandwidth Digital Content Protection) versions between the receiver and newer 4K or HDR sources.
The patch completely replaced the HDMI handshake code. Before the patch, the AVR-591 used an older EDID (Extended Display Identification Data) management system. After the patch, the receiver could properly negotiate with PlayStation 4, Xbox One, and modern 1080p set-top boxes without losing sync every 20 minutes.
Ensure the receiver stays powered on throughout the entire process. Where to Find Official Support denon avr591 firmware update patched
: Updates often targeted "flickering" or total loss of video signal caused by incompatible HDCP (High-bandwidth Digital Content Protection) versions between the receiver and newer 4K or HDR sources. The patch completely replaced the HDMI handshake code