The Key Pro M8 failed to power up


The Key Pro M8 key programmer refused to power up. No noise heard. I tried to insert other dongles (no Dongle B) and OBD cables, all failed to work it out.


Do not insert the dongle first. First connect the power adapter to M8 main unit via power connector. Then power on the m8 key pro. If still do not work,change another power supply. If both the methods failed, you’d better send back the M8 serial number and M8 key programmer (with the MD103 security calculator) back to repair.

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