Fixing Switchable Graphics Error on Lenovo ThinkPad T400
Somebody has just bought Lenovo Thinkpad T400 few months ago. Unfortunately, when He tried to install driver that will enable the switchable graphic card from this location and restart his notebook, He tried to activate switchable graphic card by right click on the desktop mouse and select Catalyst Control Center but there is error message pop up. There is Catalyst Control Center Notification such as
ATI Catalyst Control Centrer cannot be start ed cause currently active GPU is not supported.
.. but there is nothing happen.
Do you know how to solve this switchable T400 or T500 error pop-up? Actually, you only need to right click on battery icon from Lenovo power manager on the left windows system tray icons. It means, you have to install Lenovo Power manager first or activate tray icon for Power Manager for fixing this problem.
