Merge pull request #233 from TechniKris/main

FAQ/Linux: Add note about DE mapping virtual device in multi-monitor setups

Author: gonX

site/_wiki/FAQ/Linux.md

@@ -87,6 +87,26 @@ Failed to initialize virtual tablet. (error code EACCES)
 
 Try disabling your filters one-by-one and see if input finally works.
 
+## Display mapping behaves unexpectedly on a multi-monitor setup {#multi-monitor-mapping-issues}
+
+OpenTabletDriver's virtual device might be getting picked up by your desktop environment, which could be mapping its area to another monitor.
+
+In order to avoid the two from conflicting, you will need to map one of the display area editors to all screens:
+
+### In desktop environment {#multi-monitor-fix-in-de}
+
+- Find your desktop environment's tablet settings page and, if possible, map the virtual device to all screens
+- Set your intended area in OpenTabletDriver
+
+Note that some desktop environments might not allow for such a configuration.
+
+### In OpenTabletDriver {#multi-monitor-fix-in-otd}
+
+- `Right click` the display area editor
+- Select `Set to display` -> `Virtual Display`
+- Save or apply your settings
+- Set your intended area in your desktop environment's settings
+
 ## Tablet is working but there is no pressure {#artist-mode}
 
 Pressure support is available by changing the output mode of OpenTabletDriver to Artist Mode: