| Issue | Solution | |-------|----------| | “Driver not signed” error | Reboot → Press F8 → Select Disable Driver Signature Enforcement → Install driver again. | | Joystick works in Control Panel but not in game | Game may be looking for DirectInput (older games) vs. XInput. Use x360ce (Xbox 360 controller emulator) to map your Ucom. | | USB device not recognized | Try a USB 2.0 port. If using a hub, connect directly to motherboard. | | Axis drifting (auto-moving) | Re-calibrate. If persists, increase dead zone in game settings (5-10% dead zone). | | Vibration/Force Feedback not working | The base Ucom UC JS704S2 does not have force feedback. Only the “Pro” variant does. No driver can enable missing hardware. |
When searching for "Ucom driver download" on Google, you will encounter many websites hosting .exe files. Be cautious: Ucom Uc Js704s2 Usb Joystick Driver Win 7 Download
You should only look for a manual driver if: | Issue | Solution | |-------|----------| | “Driver