This message was posted on behalf of Intel Corporation
Thank you very much for providing all those details.
Since the laptop works with Intel® HD graphics 520 controller, the best thing that we can recommend from our end will be to delete the current graphics driver manually, and re-install driver 4501 manually as well:
Un-install driver manually:
Install the driver manually:
If the driver above does not work, you can try also the beta driver 4539:
If the problem remains then you can always use the graphics driver provided by ASUS for this specific laptop:
Since the laptop is also using Nvidia graphics, the problem with the external monitors not being recognized could be related to that graphics card, to look for Nvidia drivers use the following link:
Besides that you can also try a BIOS update the latest version on the laptop.
If after trying the steps above the problem remains, then the best thing to do will be to get in contact with ASUS directly, in order to get further tehcnical and warranty assistance:
ASUS’s support site: https://www.asus.com/us/support/
ASUS’s phone number: 1-877-339-2787
Any questions, please let me know.