A:AnswerThis model has two USB ports (USB 3.0 port and USB 2.0 port). Yes, this model comes with a optical disc drive. The warranty on this model comes with one year warranty.
A:AnswerTry restarting your computer by pressing and holding the power button until your computer reboots itself. This has not happened with my Asus but it looks like your computer didn't shut down properly for this to happen.