Ensure the card is firmly seated in the PCI slot.
Check the physical markings on the largest chip on your PCI card to find the correct manufacturer's driver website. To help you get this running, could you tell me: asmedia asm1083 serial port driver windows 10
Many motherboards from ASUS, Gigabyte, MSI, and others from the late 2000s to early 2010s integrate this chip. You will also find it on standalone PCIe-to-PCI adapter cards. Ensure the card is firmly seated in the PCI slot