Steved Hi there,please send us a picture of SN on the bottom of the PC.
Here are some solutions:
1.Please repeatedly press delete key as soon as you turn on the PC, go to BIOS. Please send us a picture of the main page, we will check if you need to update the BIOS.
2.Update the drivers,we will send you the corresponding drivers after we confirm the model.
3.Please unplug the power supply and HDMI cable. Please press the pinhole of “CLR CMOS” with a pin for about 10 seconds.Ten minutes later, plug the power supply and HDMI cable, turn on the PC