There are a few reasons your device may crash and alert you with a yellow or blue screen. One reason for this problem is you might have an outdated driver that is causing problems on your computer. Look for the most recent driver on the Lenovo website and download it. Another issues is Windows 8 Might Be Corrupted. You may need to uninstall Windows 8 and reinstall a clean version to fix this problem. If this is not helpful, refer to [[Lenovo Yoga 2 Troubleshooting]].