You can turn on Auto-Update in the same menu to allow the unit to download and install updates while in standby mode. Troubleshooting "Hot" Issues

The remains a highly capable 7.2-channel receiver, but keeping its firmware updated is essential for maintaining compatibility with modern standards like Dolby Vision and HLG .

: Support for Dolby Vision and HLG (Hybrid Log-Gamma) , which allows older models to compete with newer hardware.

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Beyond the major issues of bricking and overheating, AVR-X2300W owners have reported a collection of other problems that firmware was supposed to—or did—fix.

: When software glitches become persistent, owners often resort to a factory reset. This is done by holding TUNER PRESET CH + and CH - while powering on until "Initialized" appears. For deeper firmware-level corruption, a specific restore process (holding SETUP and DIMMER ) can return the firmware to its factory state. How to Update Your AVR-X2300W

Keeping It Cool: How to Handle a Hot Denon AVR-X2300W Firmware Update

: A major past update delivered full Dolby Vision and Hybrid Log-Gamma (HLG) HDR pass-through support. This capability keeps the receiver visually competitive with newer equipment.