Download the latest version of QUADPORT\QUAD_SERIAL_INTERFACE drivers according to your computer's operating system. All downloads available on this website have been scanned by the latest anti-virus software and are guaranteed to be virus and malware-free.
Choose the best match for your QUADPORT\QUAD_SERIAL_INTERFACE driver from the list below or use our customized search engine to search our entire driver archive. To see more information on a particular driver, click the green download button. For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.
Once you download your new driver, then you need to install it. To install a driver in Windows, you will need to use a built-in utility called Device Manager. It allows you to see all of the devices recognized by your system, and the drivers associated with them.
Tech Tip: If you are having trouble deciding which is the right driver, try the Driver Update Utility for QUADPORT\QUAD_SERIAL_INTERFACE. It is a software utility that will find the right driver automatically.
In Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager
In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager
In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager
In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager
In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
Click the Update Driver button and follow the instructions.
In most cases, you will need to reboot your computer in order for the driver update to take effect.
Visit our Driver Support Page for helpful step-by-step videos
If you are having trouble finding the right driver, stop searching and fix driver problems faster with the Automatic Driver Update Utility. Many computer problems are caused by missing or outdated device drivers, especially in Windows 10. If your deskttop or laptop is running slow, or keeps crashing or hanging, there is a good chance that updating your drivers will fix the problem. Automatic updates could save you hours of time.