Do this first: Update your GPU card device drivers.
See this KB article on updating device drivers: Illustrator GPU Performance | Driver Updates. Most GPU card issues are resolved when device drivers are updated to the latest versions.
Some users are facing issues when GPU Performance features in Adobe Illustrator. Some issues are:
The GPU Performance features in Illustrator work best with the most recent, updated GPU card drivers. Refer to the KB article on updating device drivers: Illustrator GPU Performance | Driver Updates.
Important consideration: Using the add-on GPU device causes power consumption to rise and significantly reduce battery life while operating on battery power. This will reduce the period of time available for the laptop to function before needing to find a power source.
Does the error persist? Send us the sample file and the information requested in the Send Adobe troubleshooting information section.
Do send an email to Adobe (email@example.com) to troubleshoot further.
If your screen appears in black and white, and resetting preferences does not help, send us the following information:
If Adobe Illustrator crashes, send us the following information:
Switch to CPU Preview mode (Cmd/Ctrl +E)
Press Cmd/Ctrl + E to switch to working in CPU mode so that you can continue using Illustrator. However, do send the Illustrator team the information requested for further troubleshooting.