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Make sure you are playing a game that supports DirectInput rumble. 2. Modern Games Don't Recognize the Ucom Controller
After an exhaustive search, it has been determined that UCOM does not provide a specific, branded driver for the UC-JS704S2 model for Windows 7. All evidence points to this being a generic, plug-and-play device. The download links often found on third-party websites that claim to be "UCOM UC-JS704S2 drivers" are almost always generic driver installers or tools that may not be directly from the manufacturer and carry potential security risks.
The window will open. You should see two entries listed (one for each side of the twin controller). Select the first entry and click Properties . Go to the Test tab to check the buttons and D-pad. ucom uc js704s2 usb joystick driver win 7 download link
: Try plugging the joystick into a USB 2.0 port (usually black) instead of a USB 3.0 port (blue), as older gamepad chipsets can have compatibility issues with newer USB controllers.
If your PC recognizes the device but the buttons or vibration aren't working: Make sure you are playing a game that
Even after following the steps, you might still run into some problems. Here’s how to fix them.
Because Ucom does not host a centralized, active website, the controller relies on generic USB controller architectures (typically built on the ). All evidence points to this being a generic,
Ucom UC-JS704S2 USB Gamepad Driver (Windows 7/8/10)
Check official and semi-official sources:
Open the Start menu, type devmgmt.msc in the search bar, and press .
Ensure you select the version compatible with Windows 7 architecture (x86 for 32-bit or x64 for 64-bit). Step-by-Step Installation Guide for Windows 7