Denon AVR-X2700H Owner's Manual page 253

Contents Connections
Restoring the firmware to the factory defaults
When the unit or the network functions do not work properly, operation may be improved by restoring the firmware to the factory defaults.
Do this when the unit still does not work properly even after trying the steps for "Resetting factory settings" or "Resetting network settings". (v p. 251,
252)
After the firmware is restored, various settings are reset to the default settings. Configure the settings and update the firmware again.
DIMMER
X
TUNER PRESET CH –
Front panel Display
Playback Settings
1
Press X while simultaneously pressing DIMMER and
TUNER PRESET CH –.
2
When "Restoring FW..." appears on the display, release
the buttons.
When the firmware restore is complete, "Completed" appears on the
display for about 5 seconds, and the unit automatically restarts.
0 This operation takes time because it requires reconnecting to the network,
restoring and updating the firmware.
0 If this operation does not improve the problem, contact our customer service
center.
NOTE
0 Do not turn off the power until the firmware restore is complete.
253
Rear panel
Tips
Remote Index
Appendix