Visit the official FTDI Chip Drivers page and download the VCP (Virtual COM Port) drivers.
Used for legacy dot-matrix printers, hardware protection dongles, and old scanners. Step-by-Step Driver Download and Installation Guide com lpt 17-11 driver download
: When using a physical PCI or PCIe card to add a parallel port, users must typically download drivers specific to the card's chipset. For example, Lenovo Support provides dedicated SUNIX drivers for Windows 11 systems. Visit the official FTDI Chip Drivers page and
Restart your computer in Advanced Startup mode and select the option to Disable driver signature enforcement . Proceed with the installation immediately after rebooting. Port Conflicts For example, Lenovo Support provides dedicated SUNIX drivers
Historically, COM ports served as the primary gateway for serial communication—connecting everything from modems to mice—while LPT ports were the standard for parallel printer connections. While modern motherboards rarely include these physical headers, the logical "COM & LPT" category still exists within the Windows Device Manager to support virtual serial ports, USB-to-serial adapters, and PCI-expansion cards. The Search for Drivers
If you are trying to connect an older legacy hardware peripheral—such as a dot-matrix printer, POS terminal, cash drawer, or scientific hardware—to a modern computer, you will likely encounter an error regarding missing drivers for your . When Device Manager displays a yellow warning triangle next to a generic "PCI Serial Port" or "Base System Device", searching for the exact physical or configuration specification "COM LPT 17-11 driver download" is the primary step to resolving the communication issue.