If your screen becomes smaller or rotates, don't worry. It's just because the screen firmware is not compatible. You can follow the steps below to operate.

https://github.com/yysluping/vastbtc/releases

1）Open this website, download it to your computer,

2）Connect the machine to the computer using a USB data cable and install the firmware on the computer.

Then everything will be back to normal.

Here is a video that you can refer to.