This usually means the INF file was not installed correctly. Follow the manual installation steps using Device Manager again to force the driver update.
If the screen is still not displaying correctly after installing the driver, consider the following: aoc 1970w monitor driver
If you searched "1970w" because you have a portable screen and the number confused you, the process is slightly different. AOC portable monitors often require a driver to enable touch functionality or correct resolution. This usually means the INF file was not installed correctly
Modern versions of Windows require digitally signed drivers. Older AOC drivers might lack this digital signature. aoc 1970w monitor driver