This section is about how to turn on or off on-board graphics(VGA is turned off by default). GPU output signal by default because GPU resolution and 3D work well.
If the workstation has an external fan, please read the first step; if there is no external fan, please adjust to step 2.
1. Shut down the workstation, and then unplug the power cable. As shown in the figure, remove the external fan and pull out the rubber plug. Connect the HDMI cable to the GPU under the fan.