Soldering bridges or missing components on the internal PCB. Faulty 10V/12V step-up power converters on the board.
If you have tried all software fixes and the device is still not detected, you may be facing a hardware fault.
If you have a brand new iProg device, the most common cause of connection failure is improper driver installation. Windows does not always automatically recognize the specific hardware ID of these programmers.
If you bought a budget clone version of the iProg+, there may be a physical hardware defect preventing connection. Common physical issues reported by users include:
Many iProg devices sold online are clones. While many clones work effectively, they can be finicky.
If the above steps fail, the "new" unit may be defective.