iProg requires a stable 5V supply from the USB port. Some laptop ports (especially on older models or when running on battery) don't provide enough "juice." Try a USB 3.0 port or a powered USB hub.
This isolates whether the issue is the iPROG hardware or your PC.
Right-click the Windows Start button and select . Expand the Universal Serial Bus controllers section. iprog programmer not connected hot
Heat causes the circuit board and metal solder joints to expand. If a microchip pin has a weak or "cold" solder joint, the thermal expansion lifts the pin away from the pad, breaking the data link.
Fixing an iProg "Not Connected" error is usually a process of elimination. Start by forcing the correct USB drivers through the Device Manager, move the cable to a dedicated USB 2.0 port, and ensure your antivirus isn't blocking the application executable. iProg requires a stable 5V supply from the USB port
Disclaimer: Repairing electronic devices involves risks. Ensure the device is unplugged before attempting any physical repairs.
Physical issues found in clones include: Right-click the Windows Start button and select
1. The Power Transistor & Resistor Fix (The 4.7K / 10K Ohm Mod)
If you are connected but the read fails: