Postagem original de: ansaf ,
Hey, it is a driver issue, you have to install “Intel(R) Serial IO Driver”. download link [http://TUF-FX504-GD|https://www.asus.com/us/Laptops/ASUS-TUF-Gaming-FX504/HelpDesk_Download/] for my model i found it under “Others” refer the image [image|1687129] . extract the zip file. install “'''SetupSerialIO.exe”''' restart.