1. you'd better reinstall the os
2. you'd better let someone who knows what he is doing to do the install. from you question(品牌機安裝普通的係統有沒有壞處? ) I guess you won't be competent to do the install
2. you'd better let someone who knows what he is doing to do the install. from you question(品牌機安裝普通的係統有沒有壞處? ) I guess you won't be competent to do the install