11-21-2018 06:24 PM
keys on keyboard do not have any affect on brightness. Also the places in windows where the brightness settings usually reside.
I tried going into the bios and hitting F9 and then F10. that did not seem to fix the problem
11-22-2018 01:07 AM
Please check Device Manager > Monitors > Generic PnP Monitor is disabled. If yes, please enable it. If the issue persists, please update the display drivers. You can get the drivers here https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/yoga-series/yoga-730-15ikb/download.... Let us know how it goes.