If you have a new device, follow this protocol to resolve the connection error:
If you have tried all software fixes and the device is still not detected, you may be facing a hardware fault. iprog programmer not connected new
Even if the drivers are installed, the software may be looking for the device on the wrong port. If you have a new device, follow this
The Solution:
Once resolved, follow these rules to avoid recurrence: Even with signatures off, Windows may have installed
If the unit is described as "new," it may present a specific hardware anomaly: Cold Solder Joints or Insufficient USB Amperage.
Even with signatures off, Windows may have installed the wrong driver automatically.