hello, May I have a picture of the sn code on the bottom of the machine ?Then we could send you the driver accordingly.
Please unplug the power supply and HDMI cable. Please try to hit the hole of “CLR CMOS” with a needle or a pin for about 5-10 seconds.Ten minutes later, plug the power supply and HDMI cable, turn on the PC again. thanks for your effort.
Pls follow the video tutorial to clear the cmos correctly, it might work: https://mega.nz/file/2nIRGaYI#M2aIM2bkOJshrhE8sK8MNiKopfyHlqyjnn86TypZp2w
Hope it helps, Have a nice day!