1. External monitors not working
This problem manifests when you have external monitors connected to a docking station, a portable computer running Windows 10, or you’ve attached your computer to a docking station.
In this case, the computer won’t detect the external monitors so they display a black screen instead.
Make sure the monitors are detected by using the keyboard shortcut Win+Ctrl+Shift+B, and then in Display settings, click Detect button.
- Shut down your computer.
- Disconnect the dock,
Reboot your computer and log in, and – reattach the dock,
If still not working please check
- Cables from dock to monitor.
- Unplug and plug the cable back.
- Check the power cable and make sure its connected properly.
If you still having issues please log a call with IT help desk.
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