You need an RS232 to USB cable or a direct DB9 serial cable. Connection: Connect the PC to the receiver's serial port.
: Designed to fix receivers stuck on a boot logo (often called "Hang on Logo" errors). Direct Flashing Gx Downloader Boot V1 031 Fix
If your satellite receiver is stuck on a "Red Light," "Boot" logo, or simply won't respond after a failed firmware update, you’ve likely encountered a "brick." For devices powered by NationalChip GX6605S processors, the GX Downloader Boot V1.031 You need an RS232 to USB cable or a direct DB9 serial cable
If using a USB-to-RS232 adapter, ensure you are using verified Prolific or FTDI drivers. Counterfeit chips often fail during high-speed data transfers. " "Boot" logo