Druid replied to Update broke graphical settings October 4, 2021 @ 6:15:19 am PDT
You can manually adjust the resolution in the registry. Alternatively just delete the IronGate key to reset all settings and keybinds.
HKEY_CURRENT_USER\SOFTWARE\IronGate\Valheim
Screenmanager Resolution Height_h2627697771
Screenmanager Resolution Width_h182942802
HKEY_CURRENT_USER\SOFTWARE\IronGate\Valheim
Screenmanager Resolution Height_h2627697771
Screenmanager Resolution Width_h182942802
2:13 pm, October 4, 2021