Description of problem: Computer screen locks up. Intel GMA X4500 is the graphics card. Keyboard is non-responsive but mouse is still active. Only way to shutdown computer is to use power button. At first lock ups happened every 3-7 days. Now every time I step away from computer and come back it locks up; screen saver mode or non-screen saver mode. An intel driver issue? Version-Release number of selected component (if applicable): 2.6.27.9-159.fc10.x86_64 How reproducible: every time Steps to Reproduce: 1. computer inactivity 2. screen saver or blank screen 3. try to bring screen back up 4. computer locks up Actual results: no lock ups. Expected results: no lock ups. Additional info: