If you get an error like the one below while launching Vial to configure the keymap of your external keyboard, make sure it’s not plugged into a KVM¹ switch.

File "main_window.py", line 279, in on_devices_updated File "main_window.py", line 283, in on_device_selected File "autorefresh/autorefresh.py", line 79, in select_device File "vial_device.py", line 49, in open File "vial_device.py", line 26, in open

RuntimeError: unable to open the device.

¹ Keyboard, Video, Mouse.

#vial #KVM #error