Philips PBDV1640P drive wont work



a friend of mine has 2 drives in his pc which are a philips PBDV1640P / philips PCDV6116 after uninstalling some softwear a few days ago he lost all the icons for the drives nothing now works no divers installed he has windows xp on the pc and it attempts to find the drivers but cant when the machine boots up have tried add new hardwear but still no good there is power to the drives as they will open and close but after that they are dead will not read or write anybody any ideas