USB COM port not shown in PC

[YaTr_3516311]

Hi,

I find USB port in PC cannot appear with CYBT-343026-01 EVAL board.  I tried in other PC, it is OK(Two ports appear). But now my PC is not OK(It is OK before but now not OK). I don't know why and how to fix it. I can't download FW now. Please help me.

[Owen_Zhang123 · Accepted solution]

Please try to install the USB-Serial Windows Driver Installer in the following page: https://www.cypress.com/documentation/software-and-drivers/usb-serial-software-development-kit