Inovo8 tablet brushed IWORK8 super BIOS built-in display show no

Phenomenon, HDMI output, guide doing system can also be normal, and wanted to double system installation,
No considering the built-in display, main show is wrong cannot see interface, hole goods and now BISO switch boot, now the default android boot, unable to reinstall Windows system,
We have a solution, change the inside of the BIOS boot mark?