It is important to post your computer information as per AMD Forum rule: INFORMATION REQUIRED WHEN POSTING A QUESTION .
Desktop or Laptop
What Windows version or OS installed
What is the MAKE & MODEL of the GPU, PSU, CPU/APU and how is Monitor connected.
Follow these troubleshooting tips on how to resolve "Video Scheduler Internal Error". If it doesn't fix the problem Post back with the required information on your computer plus any Error messages that pops up afterwards. FIX: VIDEO_SCHEDULER_INTERNAL_ERROR - Appuals.com
Edit:
install AMD driver :
1) Download the correct AMD Full Set of drivers from AMD Support. Make sure your Windows is fully updated via Windows Update.
2) Use Windows Uninstall to uninstall current AMD driver and software. Then use DDU (Display Driver Uninstaller) in safe mode to eliminate all traces of the current AMD driver and software from your computer. Delete C:\AMD folder from the Root Directory. Reboot.
3) Go to Device Manager and click on "Display Adapter" and make sure you are on the MS Basic Display Adapter. If not, uninstall the AMD driver using Properties.
4) Try reinstalling the AMD FULL SET OF DRIVERS that you manually downloaded. Make sure to disable the Internet to prevent Windows Update from installing a newer version. Also configure Windows to prevent it from updating Drivers via Windows Update. Also it has been mentioned to disable any Anti-virus programs before installation of AMD Drivers.
5) If the new AMD drivers installs and works correctly, delete again the C:\AMD folder from the Root directory.
6)Enable both the internet and Anti-Virus program (if applicable).
7) Go back to Device Manager and check to be sure your GPU card driver is working and identified correctly
