This error occurs if a device that was previously connected to the computer is no longer connected. This is a hardware problem, this error is shown when the motherboard doesn't recognize the graphics card.
You will need to contact Asus support, they will be able to help you identify what is causing the problem and guide you on how to fix it. You can see at this link how to contact Asus support.
https://www.asus.com/us/support/callus/
Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.