Do you have Windows 10 or Windows 7 OS installed?
Dell doesn't have any Windows 10 drivers for your laptop which indicates your laptop may not be 100% compatible with Windows 10 installed.
For AMD generic Laptop drivers to work correctly, you must have the latest Intel Drivers installed and updated. Especially the Intel APU Graphics driver.
You might try Intel's own Driver Updater called Intel Driver Assistant.
Also your Windows OS must be fully updated via Windows Update for AMD drivers to work correctly.
Another User was also having issues with AMD latest Graphics on his laptop that the Manufacturer wouldn't support Windows 10 on it due to its age.
It is possible AMD laptop graphics drivers are not 100% compatible with your laptop and only Drivers from your Laptop manufactured year are compatible.