If you’ve landed on this page, you’re likely working with legacy industrial automation equipment—specifically a using the EasySocket protocol over USB. And you need that driver to work on a Windows 7 machine, preferably packaged in a ZIP file for easy extraction and manual installation.
C:\Program Files (x86)\MELSOFT\EasySocket\USBDrivers
Right-click Computer > Manage > Device Manager . Update Driver: Find the entry labeled "Unknown device" or "MELSEC" .
Never trust random “driver ZIP” links from unverified forums. Always extract from original Mitsubishi media or their official download center. mitsubishi easysocket usb driver windows 7 zip link
| Problem | Likely solution | |---------|------------------| | Device not detected | Try another USB port (preferably USB 2.0). Reboot PC. | | Driver install fails with “hash error” | Disable driver signature enforcement temporarily: restart → F8 → “Disable Driver Signature Enforcement”. | | COM port number > 16 | Change COM port in Device Manager → Port Settings → Advanced. | | ZIP corrupted during download | Re-download from official source; do not use download managers. |
To download the Mitsubishi EasySocket USB driver for Windows 7, follow these steps:
If you already have , GX Works3 , or GX Developer installed on your Windows 7 machine, you do not need to download an external ZIP file. The driver installer is already sitting in your local storage. If you’ve landed on this page, you’re likely
This comprehensive guide provides step-by-step instructions to locate, download, and manually install the driver using a ZIP archive. Understanding the Mitsubishi EasySocket USB Driver
Locate the device, likely under "Other devices" or "Universal Serial Bus controllers" marked with a yellow exclamation mark. Right-click the device and select . Select Browse my computer for driver software .
often contain the most current signed drivers for Windows 7 (both 32-bit and 64-bit). MITSUBISHI ELECTRIC Global website Third-Party Sources (Zip Links) Update Driver: Find the entry labeled "Unknown device"
Mitsubishi Easysocket USB driver is a essential component for establishing communication between a Windows 7 PC and Mitsubishi PLCs (such as the MELSEC Q, L, or FX series) via a USB connection. Driver Download Links
If you already have Mitsubishi software installed, you likely already have the driver files on your computer. Common paths in Windows 7 include:
Windows will attempt to install the device driver automatically and will likely display a notification: "Device driver software was not successfully installed." Step 2: Open Device Manager Click the Windows . Right-click on Computer and select Properties . In the left-hand pane, click Device Manager .
Connect your personal computer to your Mitsubishi CPU or servo amplifier using a certified USB cable. It is essential to use a high-quality cable to prevent communication errors or installation failures. Next, turn on your Mitsubishi device to power up its USB port.
The EasySocket driver is a proprietary communication middleware developed by Mitsubishi Electric. It acts as a bridge between MELSOFT engineering software and the physical PLC hardware (such as the MELSEC Q-Series, FX-Series, or L-Series). Without this driver, Windows 7 will display a "Device driver software was not successfully installed" error or show the PLC as an "Unknown Device" in the Device Manager. Where to Find the EasySocket USB Driver (ZIP Link Info)