Com Lpt 1711 Driver Download Top [verified] Jun 2026

If the "Ports (COM & LPT)" section is missing from your Windows Device Manager, you may need to add them manually as legacy hardware: Open Device Manager : Right-click the button and select Device Manager Add Legacy Hardware in the top menu. Add legacy hardware , then select

If your system reports issues related to a "COM" or "LPT" port during PCI-1711 installation, it is usually because the driver is trying to map the card to a legacy COM/LPT serial port interface.

| Problem | Solution | |---------|----------| | | Reboot into BIOS and ensure "Legacy Devices" are enabled. Some boards disable COM/LPT by default. | | Error: "This device cannot start. (Code 10)" | Uninstall device in Device Manager, scan for hardware changes, then reinstall driver manually. | | COM port shows but no data transfer | Check baud rate, parity, stop bits. Use a loopback test with PuTTY or HyperTerminal. | | LPT printer prints garbled text | Change LPT mode from ECP to EPP or SPP in BIOS or driver settings. | | Driver installation freezes at 99% | Disable antivirus temporarily, then retry. Also check for conflicting old driver remnants using pnputil /enum-drivers . | com lpt 1711 driver download top

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Download the latest software directly from the official Prolific Support Page. If the "Ports (COM & LPT)" section is

Re-open Device Manager. Under “Ports (COM & LPT)” you should see:

Download the driver installer from the Advantech link. Some boards disable COM/LPT by default

Modern versions of Windows require all drivers to be digitally signed. Because some 1711 drivers were authored for legacy systems, Windows 10 or 11 might block them.

For 8th/9th Gen platform support, download the driver from the official Intel Download Center. 3. How to Install the COM/LPT 1711 Driver on Windows