hard drive does not work ..will not boot up,keeps restarting,doing diagnotics then restarts, inaccessible boot drive is the notification , i have asked seller to let me return and replaceit with a "working"computer, have heard nothing back..i think im stuck with a non working cpu...my son is very disappointed it was a gift for him ...contacted the seller , seller does not repond. they treat customers poorly ...be smart avoid this seller