Hi, AMD Radeon HD 6310 with testing netist: In 03-21-2012 * The screen was black in USB netist of graphic mode * The screen was regular in text mode and the system could install successfully, but was blurred after reboot. In 03-28-2012 * The screen was regular in USB netist of graphic and text mode, but was blurred after reboot. Regards, Chipong Luo