Customer problem: My GM MDI2 interface just stops working and will not connect. It kept flashing red on the 3 light and then kept beeping loudly.
Autonumen.com engineer solution:
The reason is that the device was not detected. Please reinstall the GM MDI2 Manager.
Here is the related free download link: https://mega.nz/#!tFxhBYCD!agbcrCKJL5PRNiNNEw6Vj7JnsWz0F3ekuChliyeZpRs
It’s very easy to install, just click next…next…next…
It will install successfully!