Windows 7 power management often shuts down USB ports to save power. Open Device Manager , expand Universal Serial Bus controllers , right-click your USB Root Hub , select Properties > Power Management , and uncheck "Allow the computer to turn off this device to save power." Games Do Not Recognize the Controller
Uncertified generic drivers can cause dead zones or incorrect axis tracking.
Best practice for obtaining device drivers:
Because Ucom does not have an active official site, avoid clicking on sketchy, ad-ridden "driver download" portals that bundle malware with their zip files. Use these safe alternatives: ucom uc js704s2 usb joystick driver win 7 download link
Drivers are software components that enable your operating system to communicate with hardware devices. In the case of the UCOM UC JS704S2 USB joystick, a driver is necessary to translate user input into actions on the screen. Without a compatible driver, your joystick may not work as intended, or worse, not work at all.
Select Browse my computer for driver software .
Search for "UCOM UC-JS704S2" or "Generic USB Vibration Gamepad Driver." Windows 7 power management often shuts down USB
Download the .inf file, right-click → Install.
to ensure all 12 fire buttons and the 8-way directional pad respond correctly. Troubleshooting Tips
Search for that exact VID/PID string to find clean, direct download links from catalog archives. How to Install the Driver on Windows 7 Use these safe alternatives: Drivers are software components
How to Find and Install the UCOM UC-JS704S2 USB Joystick Driver for Windows 7
However, you may be experiencing a problem if the automatic installation fails, or the controller is not recognized in games. One Microsoft support thread from several years ago captured this exact frustration: a user with a Ucom sub-joystick reported that "the pc does recognize a new hardware device, it can't install the drivers". This indicates that while the plug-and-play feature is intended, it doesn't always work flawlessly in practice, especially on older operating systems like Windows 7.
Instead, here is a to help you find and install the driver yourself:
Disclaimer: Always ensure you are downloading drivers from a trusted source to protect your system from malware.