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Please try the same procedure with another PC or notebook.

Retry with another USB-to-MicroUSB cable as your cable could be broken or of bad quality or does not have the data lines at all. Check with your PC Admin.ĭo not use an USB extension cable or USB hub between your PC and the device. Make sure your account does have the rights to install device drivers. Our tools are developed and tested with Windows 10 (64Bit) only. Please follow these steps to enable communication with your PCR2 or TCR device Note: Device Name could be "STMMicroelectronics Virtual COM Port" or just "PCR2" Modified on: Tue, 5 Jul, 2022 at 11:24 AMĪs soon as you connect a PCR2 device it should show up in the Win10 Device Explorer with an assigned COM-Port number. Additional screenshots of this application download may be available, too.Solution home PCR2 PCR2 Guides Troubleshooting USB connection issues between Win10 and PCR2 Virus and Malware Tests: For security reasons, you should also check out the Zadig download at which includes virus and malware tests. Version 2.5.730 is a freeware program which does not have restrictions and it's free so it doesn't cost anything. Zadig is often used to install device drivers for USB-based hardware, such as USB-to-serial adapters and USB-based peripherals. Zadig allows you to install device drivers in the form of kernel-mode drivers and user-mode drivers, and currently includes support for various driver installation options, such as installing or replacing existing drivers, and creating and installing system-wide drivers. It is designed to install device drivers for USB devices on Windows in cases where the operating system does not automatically recognize the device or install the appropriate driver. Zadig screenshot Zadig is a free and open-source device driver installation utility developed by the French software developer libwdi.