According to this > < you have a Intel processor and a AMD R5 M230 discrete graphics: https://www.notebookcheck.net/Lenovo-B50-70-Notebook-Review-Update.129807.0.html
Graphics Card
Both the HD Graphics 4400 core from Intel and AMD's Radeon R5 M230 GPU have found their way into the B50-70. The Intel GPU is enabled in routine and battery mode, and the Radeon core is demanded in performance-devouring applications like computer games.You have to first update the Intel driver before installing the AMD driver...explained here Laptop graphics update...How to
To find the correct AMD driver, fill out the manual search exactly as I have done for you. Download Drivers
Clean Install AMD Graphics Drivers
Disconnect from the internet until you have finished uninstalling/installing the AMD drivers and rebooted your computer.
DDU has new instructions..make sure you have the latest version
