Then how to connect HP TouchPad to Mac for transferring Blu-ray/DVD movie file to HP TouchPad?

Part 1: Connect HP TouchPad to Mac
1. Connect your HP TouchPad to your Mac computer using the USB cable.
2. On your HP TouchPad tablet, tap USB Drive. On your Mac computer, the HP TouchPad appears as a removable drive.
3. Open Finder; double click the drive representing your device; and drag and drop movie/music files to HP TouchPad from Mac. The drive displays folders that you can use to organize files you copy. You can also create your own folders.
4: End the connection safely. If you don't eject safely, the HP TouchPad resets and may experience data loss when you disconnected the USB cable:

Part 2: Transfer Blu-ray/DVD movie to HP TouchPad from Mac
In fact, you need to rip and convert the Blu-ray/DVD movie to HP TouchPad compatible format on Mac before transferring due to HP TouchPad surpported video formats limition. You can use Brorsoft Blu-ray Ripper freely, it as the best Mac Blu-ray to HP TouchPad Converter and follow the bellow steps to have a enjoyment.

Step 1: Import the Blu-ray/DVD movie to the best Mac Blu-ray/DVD to HP TouchPad Converter.
Launch the best Mac Blu-ray/DVD to HP TouchPad Converter and click icon like a disc or disc folder to load your Blu-ray/DVD movie from disc or folder to the best Mac Blu-ray/DVD to HP TouchPad Converter.

Step 2: Select an output format for HP TouchPad and set the output folder.
Click on the dropdown menu of “Format” and then move your pointer to “Common Video”, under the sublist, “H.264 Video(*.mp4)”, “MPEG-4 Movie(*.mp4)”, are both the compatible formats to copy Blu-ray/DVD movie files to HP TouchPad on Mac Lion. And then you can set the output folder for HP TouchPad.
Step 3: Click “Settings” icon to adjust audio and video parameters for HP TouchPad.
Click the “Settings” icon and you will go into a new interface named “Profile Settings”. You can adjust codec, bit rate, frame rate, sample rate and audio channel in the interface according to your needs and optimize the output file quality.
Step 4: Start converting your Blu-ray/DVD movie to MP4 for HP TouchPad on Mac.
Click the “Convert” button; it will rip/convert Blu-ray/DVD movie to MP4 for HP TouchPad on Mac immediately. You can find the process in the “Conversion” interface.