Based on the given details, as suspected by you the blue screen is due to graphics card drivers. We can try to uninstall and reinstall the drivers. Follow the below mentioned steps to troubleshoot this issue:
Click “Start”, type “Programs and Features” and press enter.
In “Programs and Features”, select “ATI Catalyst Install Manager”, click “Change”.
Click “Next” in first window.
Check “Express Uninstall ALL ATI Software” and click “Next”.
Follow the onscreen instructions to complete the uninstallation and restart the computer.