Sonmy DVD/RW wqill not play DVD`s now since I uninstalled my copy of Nero

Not on my own computer sdo don`t know whether previous reply has been posted. Since uninstalling my copy of an old Nero program both my DVD/RW refues to play DVD bit will recognise CD/DVD programs,Windos actually tells me thay there might be a DMA proble? Now lost,Have AVS Video tools, Fireman Burner installed along with DVD Fab. Anyone help plse


please try the free VLC player.