Name: SUNIX 2 Port Serial Card Driver
Author: SUNIX

Question 1

Installer fails or stops midway?

Accepted Answer

Run the SUNIX driver installer as Administrator, unblock the downloaded file, and temporarily disable antivirus. Confirm you downloaded the correct 32-bit/64-bit package for your Windows version.

Question 2

Card or serial ports not detected?

Accepted Answer

Power off and reseat the SUNIX 2 Port Serial Card firmly in its PCI/PCIe slot, try another slot, then check Device Manager for unknown devices. Install the driver before rebooting if prompted.

Question 3

Driver/version conflicts or COM port errors?

Accepted Answer

Uninstall any older SUNIX or generic serial drivers, remove hidden devices in Device Manager, reboot, and install the latest driver. If ports conflict, assign unique COM numbers in each port’s Properties.