not showing display adapter device manager

If the display problem is still existing in the BIOS configuration, which means the screen hardware may be defective, and we recommend you visit the ASUS authorized repair center to test your laptop. To provide you more detailed instruction, you can also click ASUS Youtube video link below to know more about troubleshooting for Main (Internal) Display If the display is normal in the BIOS configuration, it may have a software issue on your screen, please refer to the cases below and their solution. If the display problem is still existing in the BIOS configuration, which means the screen hardware may be defective, and we recommend you visit the ASUS authorized repair center to test your computer. Here you can learn more about How to enter the BIOS configuration. While you have display problems with main screen, you can check the display is a hardware or software issue by entering the BIOS configuration. However, if you experience a black screen on your PC after power on, please refer to How to fix computer cannot power on and shows black screen. If you encounter abnormal display issues on your ASUS computer, such as broken image, blurriness, artifacts, flickering, Graphics detection issues, or if the main screen does not display any image but the external monitor does, please refer to the following troubleshooting steps. Troubleshooting - Main (Internal) Display problem

Not showing display adapter device manager