Drivers Denso Port Devices

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B-CAP Protocol (TCP) Driver GP-Pro EX Device/PLC Connection Manual 3 1 System Configuration The system configuration for connect ing DENSO WAVE INCORPORATED's Exte rnal Device and the Display is shown below. Connection Configuration. 1:1 Connection. 1:n Connection Series Controller Link I/F SIO Type Setting Example RC7M.1. Operator’s Guide and User’s Manual of the USB devices made by DENSO WAVE that use Active USB-COM Port Driver. Windows standard driver will be loaded if you inserted the USB device in the USB port of the PC with Windows® 10 which does not install Active USB-COM Port Driver. The USB device does not support the operation with the Windows standard.

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This page shows an FAQ “The driver was not found.” about DENSO WAVE’s USB-COM Port Driver. DENSO WAVE serves as a leader in developing and manufacturing automatic data capture devices for QR codes and IC cards and industrial robots (FA equipment), etc. Unknown devices show up in the Windows Device Manager when Windows can’t identify a piece of hardware and provide a driver for it. An unknown device isn’t just unknown — it’s not functioning until you install the right driver. Windows can identify most devices and download drivers for them automatically.

This article helps to fix an issue in which Windows 10 doesn't install specific drivers for USB audio devices on the first connection.

Original product version: Windows 10, version 1703
Original KB number: 4021854

Symptom

When you connect a USB audio device to a Windows 10 Version 1703-based computer the first time, the operating system detects the device but loads the standard USB audio 2.0 driver (usbaudio2.sys) instead of the specific device driver.

Cause

This issue occurs because the USB audio 2.0 driver (usbaudio2.sys) isn't classified as a generic driver in Windows 10 Version 1703. Therefore, the system assumes that a compatible, nongeneric driver is installed for the device even though the driver is generic.

This issue also causes Windows 10 Version 1703 to postpone the search for other compatible drivers through Windows Update that typically occurs immediately after you install a new device.

Resolution

To fix this issue, use one of the following methods.

Method 1

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To resolve this issue, install update 4022716.

Method 2

If the device-specific driver is distributed through Windows Update, you can manually update the driver by using Device Manager. For more information about how to do this, see update drivers in Windows 10.

Method 3

If the device is not yet connected, first install the device-specific driver, such as by using the appropriate installer. After the device-specific driver is installed, Windows 10 will select that driver instead of the standard USB audio 2.0 driver when you first connect the device.

Denso

Note

Replacement

See the device manufacturer's user guide for specific instructions about how to install the driver.

Method 4

If the driver isn't distributed through Windows Update, you can manually reinstall the driver. To do this, follow these steps:

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  1. Install the device-specific driver (see Method 2).
  2. Open Device Manager.
  3. Right-click (or tap and hold) the name of the device, and then select Uninstall.
  4. Restart the computer.

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When it restarts, Windows will try to reinstall the device by using the device-specific driver.