崔岩ccuiyyan at sina.com wrote: > However, problem happens. When i select the "escape to a loader prompt" > option, i can input > > in about just 3 sec. After that, the system cannot go on whatever key i > hit. Same problem here and it's not USB/keyboard related in my case. What motherboard are you using? I'm on an Intel DG33BU. Regards, Aragon