video controller trouble

hi…i have problem with my video controller device. I cant update automatically…can u give me file about video controller driver ?so I can update manually.

because now I cant setting my brightness level because I have trouble with video controller driver…thank you

hello i need vga driver, where to find it?
i already email to service center chuwi but still no response. im still have trouble with my display.

Try this one. It’s all drivers for tablet.