If you have Windows 10, install the driver using Windows Update:
If you have Windows 7 or 8 you can use the following link to download Catalyst 15.7.1 or Crimson Beta 16.2.1, the last released drivers for your video card: https://www.amd.com/en/support/apu/amd-e-series-processors/amd-e2-series-apu-for-laptops/e2-2000-radeon-hd-7340