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DellPbPSwitch.md

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Setup Hotkeys to turn PbP On/Off on Dell monitors

This is useful if you want to run a full-screen Teams/Zoom meeting or watch a full-screen video, but leave a panel free for making notes or surfing the internet.

1) Download and Install Dell Display Manager (DDM)

Currently here:

2) Download DDM Hotkey Manager (DDMHKM)

Currently here:

3) Configure the Hotkey

My example assumes a Dell monitor supporting 80/20 is installed (e.g. U4021QW), and that the PC has 2 cables connected to ports DP1 & HDMI2.

  • Run the downloaded ddmhkm.exe to start the DDM Hotkey Manager.
  • In the DDM command-line parameters box, type /1:SetPxPMode Off.
  • Click in the Select system-wide-hotkey, and press the hotkey combination you want for No-PbP.
  • Increment the Hotkey from 0 to 1
  • In the DDM command-line parameters box, type /1:SetPxPMode PBP-2H-82 DP1 HDMI2.
  • Click in the Select system-wide-hotkey, and press the hotkey combination you want for 80/20 PbP.
  • Close the DDM Hotkey Manager.
  • Exit & Restart the Dell Display Manager.

4) Fixup the Windows Display Settings

80/20 PbP

  • Use your hotkey to turn 80/20 PbP on.
  • Go into Settings > System > Display
  • Make sure that the Main display and Secondary display are in the correct positions.
  • Select the main display
  • Make sure Make this my main display is ticked.
  • Make sure Extend these displays is selected (from the button beside Identify).
  • Make sure Scale is set to what you like (e.g. 125%).
  • Make sure Display Resolution is set correctly (i.e. 4096 x 2160 on a U4021QW).
  • Select the 2nd screen
  • Make sure Scale is set to what you like (e.g. 125%).
  • Make sure Display Resolution is set correctly (i.e. 1024 x 2160 on a U4021QW).

No PbP

  • Use your hotkey to turn PbP off.
  • Go into Settings > System > Display
  • Select the main display
  • Make sure Make this my main display is ticked.
  • Make sure Show only on 1 is selected (from the button beside Identify).
  • Make sure Scale is set to what you like (e.g. 125%).
  • Make sure Display Resolution is set correctly (i.e. 5120 x 2160 on a U4021QW).

Note that after switching to a new layout it will take 10 seconds or so before DDM starts listening to hotkeys again.