Coherence view mode does not work. You get the following error:
Unable to switch to Coherence. The virtual machine display configuration could not be applied …
Start virtual machine, go to Start → in the search box type devmgmt.msc and hit Enter/Return.
Expand Display adapters and make sure that there is no exclamation mark on the icon and the adapter is called Parallels Display Adapter.
If these requirements are not met:
- Right-click the adapter → Uninstall. If the pop-up appears, check Delete the driver software for this device and click OK.
- Restart virtual machine and reinstall Parallels Tools (in Parallels Desktop top menu bar go to Virtual Machine → Reinstall Parallels Tools).
If these requirements are met:
In Parallels Desktop menu bar go to View and check Use All Displays in Full Screen option.
Switch the virtual machine into Fullscreen view mode.
Go to Start → in the search box type Control Panel and hit Enter (return).
Go to Hardware and Sound → Display → Adjust Resolution (on the left pane).
Click the additional monitors one-by-one, and in the drop-down Multiple displays menu select Extend these displays for each of the monitors.
Exit from Fullscreen view mode.
- Enter Coherence view mode.
If the issue persists:
Switch virtual machine into Window mode.
Drag and drop the virtual machine window to the second monitor.
- Enter Coherence mode.
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