Did you install one of these driver software mentioned? splashtop/Duet Display/Fresco Logic?
If yes, please uninstall it then reboot your primary machine.
To verify if these drivers are not present on your machine, could you please follow the steps below:
– run command prompt as Administrator
– type these commands:
sc query lci_proxykmd
sc query lci_proxywddm
sc query FLxHCIv
sc query ddkmd
sc query ddmgr
– if one of these command returns a Running or Stopped status
– just type sc delete
– reboot your primary machine