Com Lpt 17-11 Driver Download Free Today

Complete Guide: How to Download and Install the COM LPT 17-11 Driver

If you have landed on this page, you are likely searching for the COM LPT 17-11 driver download. This is a specific driver file often associated with legacy port emulation, USB-to-serial adapters, or industrial control devices. In many cases, the "17-11" designation refers to a specific device ID or a version of a PCIe/PCI parallel port card.

This article will explain exactly what this driver is, where to find it, how to install it safely on Windows 10/11, and how to troubleshoot common issues.

The Solution: How to Actually Fix the Device

If you have a device showing up as "COM LPT 17-11" or similar in your Device Manager, do not search for the name. Instead, use the Hardware ID. This is the digital fingerprint of the device. com lpt 17-11 driver download

Step-by-Step Fix:

  1. Open Device Manager (Right-click Start > Device Manager).
  2. Locate the unknown device (it will have a yellow triangle).
  3. Right-click the device and select Properties.
  4. Go to the Details tab.
  5. Under the "Property" dropdown, select Hardware Ids.

You will see values that look like this: PCI\VEN_9710&DEV_9835&SUBSYS_... Complete Guide: How to Download and Install the

The Universal Workaround: Once you have the VEN and DEV numbers, plug them into a database like pcidatabase.com.

If the VEN/DEV points to a MosChip/NetMos chipset (very common for COM/LPT cards), you do not need a specific "17-11" driver. You need the MosChip MCS98xx Driver Package. You will see values that look like this:

Ironically, modern Windows (10 and 11) often detects these cards natively. If it isn't working:

  1. Download the latest drivers from the Nuvoton (current owner of MosChip technology) website, or a trusted legacy driver repository.
  2. When updating the driver manually, select "Let me pick from a list of available drivers on my computer" and choose the "Multi-I/O Controller" or "Communication Port" class.

Step 1: Disable Driver Signature Enforcement (Temporary)

  1. Shift + Restart your PC.
  2. Go to Troubleshoot > Advanced Options > Startup Settings > Restart.
  3. Press F7 (Disable driver signature enforcement).

Option B: MosChip / NetMos Drivers

If your device uses a NetMos chipset (common in generic PCI/PCIe cards):

Part 4: Step-by-Step Installation Guide (Windows 10 / 11)

Even if you find a driver labeled "COM LPT 17-11", modern Windows may block it due to driver signature enforcement. Follow these steps: