|There is not exactly an emachine version. There are real full copies and OEM disks. The OEM disks usually have the correct drivers for the system and may not contain other drivers. |
You can't undo a copy. You can't copy over since the disks are basically the same.
Why not reload the system as it is shown in the owners manual back to Vista. If they were happy once then they should be after. He would have to have copies of all the programs that are needed if they weren't originally offered on the OEM.
1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.