Your problem appears to possibly be related to poor quality of the blank DVD media used to make the back up copy of the Commercial DVD Movie Title.
Just because your back up copy appears to play correctly in your laptop DVD device that most like was used to record the back up copy does not mean that was recorded properly and does not contains errors. Errors caused by the use of poor quality blank DVD media are the primary cause of the playback problems are experiencing.
Suggest running you suspect back up copy through Nero CD-DVD Speed (http://www.cdspeed2000.com/files/NeroCDSpeed_410.zip) ScanDisc surface scan and check for errors. A correctly recorded back up copy will not contain any errors. If Nero CD-DVD Speed ScanDisc surface scan reveals errors is most likely the cause of your playback problems. Most likely the use of poor quality blank DVD media was the cause of these errors.
Suggest visiting the CD Freaks Blank Media Forum (http://club.cdfreaks.com/forumdisplay.php?f=33) to obtain information on quality DVD media.
In many circles Taiyo Yuden media is considered top of the line quality DVD Media. Rima.Com (http://www.rima.com) is a reliable source of Taiyo Yuden media.
Locally FujiFilm media is good reliable media. When purchasing FujiFilm media closely inspect the package and ensure that in states â€˜Made In Japanâ€™. FujiFilm media manufactured in another country other than â€˜Made In Japanâ€™ is considered unknown and should be avoided.
If you fully believe you need to purchase a new stand-alone desktop DVD player suggest visiting Video Help (http://www.videohelp.com/dvdplayers) and research which DVD playback devices meets your needs.
Personally I use the AnyDVD-CloneDVD software programs when making my back up copies of Commercial DVD Movie Titles. Suggest visiting SlySoft (http://www.slysoft.com) and downloading the latest version of AnyDVD-CloneDVD and give these program a try. The AnyDVD-CloneDVD combination is a proven quality product that is easy to use and produces excellent results.
Below is an AnyDVD-CloneDVD user tutorial that provides detail information on the use of these two programs.