How to solve CN900 mini bluetooth V1.23.2.15 CN900 Mini Update version “No valid com port is found”error

CN900 mini bluetooth is the replacement of CN900 Key Programmer that can easily hand-held. V1.23.2.15 CN900 Mini Update version can easily update online as CN900 key programmer. Below OBD2Tuner.com sharing How to solve CN900 mini bluetooth V1.23.2.15 CN900 Mini Update version “No valid com port is found”error.

Smart CN900 Mini Transponder Key Programmer V1.23.2.15 Mini Cn900 Bluetooth for 4C 46 4D 48 G Chips

Smart CN900 Mini Transponder Key Programmer V1.23.2.15 Mini Cn900 Bluetooth for 4C 46 4D 48 G Chips

Here are the proper causes and solutions to CN900 Mini key programmer “No valid com port is found” error.

Problem:

I tried to update CN900 Mini key copy machine software from obd2tuner.com to new v1.20. But when i connect to computer via USB, it prompted me error message “No valid COM port is found on the computer. Please check CN900-Mini’s power and usb cable”. What’s wrong?

tupian

Error causes:
1. You did not well connect obd2tuner.com CN900 Mini bluetooth to computer

2. You did not power on the machine after well connect to computer

3.  You did not install obd2tuner.com mini cn900 update driver

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