Device not recognized. Install GM MDI software on Vista mode. But the Manager software wizard then says can not detect MDI Module on USB port. Error code 29

GM MDI software should be installed on Windows XP mode. Change another computer with windows XP mode.

You need to install the driver. You may get it in "Windows xp drive (in VM) \ windows \ system32". Copy two folder named as "Drive store" and "Drivers" and past it in any drive in your laptop / computer . Than open device manager of windows 7 right click the unknown device and click "update driver". Select "browse my computer for driver software". Then chose one of those folders and let it search and if driver is not found then again chose the other folder.

The reason may caused by internal error in GM MDI diagnostic system. You need to connect the MDI to a PC via USB cable and do the software recovery procedure or seek help at your supplier.

Check the connection among device, computer and vehicle. Then try to supply power to the MDI from the two different power sources, the vehicle DLC connector and the AC 12-volt Adapter.

Power up the MDI and verify that it has the same problem when the power is removed, then replace the batteries and make sure they are properly installed. If it still fails to be off correctly, your MDI may be damaged.

6) MDI "Fatal error has occurred". During the update process, when fail to communicate or fail to talk to ECU, the update process will be blocked and the error code detected.

1. Remove the power supply when all LED turn off, or remove the battery if users can not stop power supply.

2. Apply power to the MDI, press and hold the power button down and about 10 seconds later, release the power button, the MDI will start up in a recovery state with only the power LED lit.

3. Select "MDI_Manager" icon to start the MDI Manager software, and connect the PC with the MDI by plugging the USB cable into them. When the MDI Manager software detects the MDI, it will be shown on the "Detected MDIs" window. You need to select the MDI displaying the serial number matching your MDI and click "Recover" and the MDI Manager software switches to the "MDI Manager" tab automatically. On the "Recovery of MDI" window, select the latest version of the "MDI Recovery Image "and click" Start Update ". Remember, never unplug the MDI from the PC or remove power from the MDI during the recovery process.

4. "The MDI will now automatically restart" message will display. Wait until you hear the 'beep', then the MDI is ready for use ", click" OK ". The MDI Manager software switches automatically to the MDI Explore tab and once it has finished the restart and Power on Self Test, your MDI software will recorver.