Please update the drivers of your AMD Radeon HD 7600G graphics controller:
1. Click
http://support.amd.com/en-us/download/auto-detect-tool2. Click 'Download' under DOWNLOAD LINK from AMD Driver Autodetect.
3. Save the application amddriverdownloader.exe.
4. Once the download done, run the application amddriverdownloader.exe and follow the instructions.
AMD Driver Autodetect detects your graphics controller and Windows operating system.
If there is a new driver, the tool will download it with a click of a button and start the installation process.