Navigate to the folder where you extracted the driver files and click . Verification

serial controller, follow the steps below. This chipset is commonly used in PCIe RS-232 serial adapter cards like those produced by manufacturers such as StarTech.com .

: Look for "PCI Serial Port" under "Other devices" (usually marked with a yellow exclamation mark). Update Driver : Right-click the port and select Update Driver . Choose Browse my computer for driver software .

: Go to the StarTech Support Portal or the website of your card's specific manufacturer.

: Right-click the downloaded ZIP folder and select Extract All .

: Check your expansion card or its packaging for a specific product ID (e.g., PEX2S553 ).

Once installed, your ports should appear under the section in the Device Manager . Ensure there are no error icons next to the entries to confirm a successful setup.

If Windows does not automatically recognize the device, you can manually update it through the :