Some customer met the same issue on BMW SCANNER 1.4.0 in recent days.”Hardware faulty” occurs when they open the BMW SCANNER 1.4.0 software.
Here is a wrong connect way,please do not imitate:
Install the software and then connect the USB cable to open the software
Step 1. Intall the software then connect to the device
Step 2. Intall the driver
Step 3. Open the software