(Solution) GM MDI Manager: not connected to MDI

During the procedure of GM MDI activation, a little part of users may get the error reading “GM MDI Manager: not connected to MDI” or keep failing to activate as the following picture shows:
1.    Press the button as following picture shows and connect to power supply.
2.    Keep pressing this button and connect to power supply wait till 10s
3.    When all the lights on, stop pressing the button
4.    Use USB cable to connect GM MDI to pc
5.    Open GM MDI choose “Recover”.
Product link:http://www.eobd2.fr/latest-high-quality-gm-mdi-multiple-diagnostic-interface-2918.html

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