This post explains what a Base System Device is and how to fix Base System Device errors for HP, Dell, Acer, Lenovo, etc, laptops.

Learn how to install TWAIN drivers and how to fix There is no TWAIN-compliant device installed error. TWAIN driver establishes a link between the scanning devices.

A checkerboard pattern on your PC can be alarming, but it's not necessarily anything serious. Reinstalling your NVIDIA graphics drivers will often do the trick.