The generic USB cable bundled with many iProg clones is notoriously low quality. Swap it for a high-shielded, shorter USB cable (like one from a high-end printer or an external hard drive).
Choose > Advanced options > Startup Settings > Restart . iprog programmer not connected hot
: Generally indicates that the device is working and the driver is correctly configured. Advanced Hardware Fixes (For Clone Units) The generic USB cable bundled with many iProg
When the processor overheats, its internal oscillator drifts out of specification. The USB PHY (physical layer) cannot maintain the 48 MHz clock required for USB communication. The computer still sees something plugged in, but the iPROG software cannot verify the firmware, hence the "Not Connected" status. : Generally indicates that the device is working
: Incorrectly installed drivers are the most common culprit. If your Device Manager shows an "Unknown Device," you should uninstall the existing drivers , restart your computer, and manually reinstall the drivers provided with your software version.