My Fenix 5 has this screen issue because static electricity. Happened two months ago folding clothes out of the dryer and yesterday again with some heavy blanket. Soft reset and hard reset
Hard Reset GARMIN Fenix 5x, how to - HardReset.info
Comment faire un reset sur une Garmin (Soft/Hard/Master reset) - YouTube
How to hard reset a Garmin fitness watch - Fenix 6, Fenix 5 Series, Forerunner, Vivoactive 3 models - YouTube
Hard Reset GARMIN Fenix 5x, how to - HardReset.info
Garmin Fenix 6 Factory Reset | Delete Data and Reset Settings - YouTube
Garmin Fenix 5/5S/5X In-Depth Review | DC Rainmaker
Garmin Fenix 5x+ stuck in boot loop, please help : r/GarminFenix
Hard Reset GARMIN Fenix 3, how to - HardReset.info
Support: Restarting a frozen Garmin watch - YouTube