you can use MED Free DVD Ripper DVD Ripper is a powerful ,easy to use DVD Ripper tool for Video DVD devices .
Use a DVD ripper
DVD ripper is use for ripper program, video or other DVD files from DVD to other device.
It will not affect the DVD, the ripper just copies the dvd.
A DVD ripper will copy the contents of a DVD to the hardware disk of a computer. The DVD ripper can deactivate the copy protection on the DVD, and then simply copies the contents of the DVD.
No DVD ripper will erase data from a DVD.
Pavtube DVD ripper 2.0.1.29
If you wish to make an .avi file from a DVD, you can use a DVD Ripper application. There are several such applications to choose from. For a list of DVD Ripper applications and links, go here: http://en.wikipedia.org/wiki/DVD_ripper
I recommend TOP DVD Ripper, you can copy DVD to any pop format.
A DVD Ripper is used for DVD ripping which is the process of copying the audio and video information off a DVD and onto a hard drive. DVD Ripper usually only can rip DVD and can't rip Blu-ray while a Blu-ray Ripper can rip both DVD and Blu-ray.
There are two causes as follows: First,see if your computer can recognize the DVD you plug-in. Second,it is due to the quality of the DVD Ripper you used. Why not change another good DVD Ripper. For me,I am using this DVD Ripper and it is a really effecitve program. I hope it will also help u out in the process of ripping DVDs.
I am using iToolSoft DVD ripper, a good chioce for me. You can have a try with it.