If the PL-2303 chip is truly dead, crack open the BU-353S4 case, desolder the Prolific chip, and wire a CP2102 USB-to-TTL adapter directly to the GPS module’s TX/RX pins. (Advanced users only.)
| Problem | Likely cause | Solution | |---------|--------------|----------| | No COM port in Device Manager | Driver not installed | Install Prolific v11+ | | Yellow exclamation (Code 10) | Counterfeit chip or wrong driver | Use old driver v3.3.2.105 | | Driver installs but no satellite fix | Antenna not facing sky / indoors | Test near window, wait 2–3 min | | Port shows but software can’t open | Another app using same COM port | Close GPS software, reboot | g star iv gps driver download bu-353s4 windows 11
Are you experiencing issues with your G-Star IV GPS device on Windows 11? Specifically, are you struggling to get the BU-353S4 GPS driver to work on your system? Look no further! This article will guide you through the process of downloading and installing the correct GPS driver for your device, ensuring seamless functionality on your Windows 11 machine. If the PL-2303 chip is truly dead, crack
Download or VisualGPS . Open the software → select COM port (from Device Manager) → set baud rate to 4800 (BU-353S4 default) → click Connect. If you see $GPRMC or $GPGGA sentences, your driver is perfect. Look no further
: Plug the BU-353S4 into a USB port on your laptop or PC. Verify in Device Manager : Right-click the Start button and select Device Manager . Expand the Ports (COM & LPT) section.