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Apart from updating your PCI Drivers, installing a Driver Update Tool gives: Up to 3 times faster internet connection and download speeds; Better PC performance for games and audio applications; Smooth-running of all your PC devices such as printers, scanners etc. Better all-round performance of your PC due to automatic driver updates which will. All current software, firmware, and drivers for the Surface Pro 3; including optional WinTab drivers. Links to drivers for other Surface devices are in the Details section below. A USB Connector Manager Driver is required for Windows to manage the USB Type-C ports on a system. The bring-up tasks for a USB Connector Manager driver depend on the driver that you choose for the USB Type-C ports: The Microsoft in-box UCSI (UcmUcsiCx.sys and UcmUcsiAcpiClient.sys) driver, a UcmCx client driver, or a UcmTcpciCx client driver. If your device does not appear in this list, reseat the cable connected to your computer or try a different port. If your audio device shows up as an Unknown device or has a yellow caution symbol, you will need to uninstall the device and then reinstall the latest driver (see Driver Reinstall below). Go to Control panel, enter System to access your Device Manager Scroll down to the LPT/ COM port then double click Prolific USB to Serial Comm Port Click Driver in the Windows Properties section The driver must be numbered as '2.0.2.8' and dates accordingly.

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

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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.

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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

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.

Note

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.

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This topic is intended for OEMs who want to build a Windows 10 system with USB Type-C connector and want to leverage OS features that allow for faster charging, power delivery, dual role, alternate modes, and error notifications through Billboard devices. Kouziro driver download for windows 7.

A traditional USB connection uses a cable with a USB A and USB B connector on each end. The USB A connector always plugs in to the host side and the USB B connector connects the function side, which is a device (phone) or peripheral (mouse, keyboard). By using those connectors, you can only connect a host to a function; never a host to another host or a function to another function. The host is the power source provider and the function consumes power from the host.

The traditional configuration limits some scenarios. For example, if a mobile device wants to connect to a peripheral, the device must act as the host and deliver power to the connected device.

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The USB Type-C connector, introduced by the USB-IF, defined in the USB 3.1 specification, addresses those limitations. Windows 10 introduces native support for those features.

Feature summary

  • Allows for faster charging up to 100W with Power Delivery over USB Type-C.
  • Single connector for both USB Hosts and USB Devices.
  • Can switch USB roles to support a USB host or device.
  • Can switch power roles between sourcing and sinking power.
  • Supports other protocols like DisplayPort and Thunderbolt over USB Type-C.
  • Introduces USB Billboard device class to provide error notifications for Alternate Modes.

Official specifications

Hardware design

USB Type-C connector is reversible and symmetric.

The main component are: the USB Type-C connector and its port or PD controller that manages the CC pin logic for the connector. Such systems typically have a dual-role controller that can swap the USB role from host to function. It has Display-Out module that allows video signal to be transmitted over USB. Optionally it can support BC1.2 charger detection.

Consider recommendations for the design and development of USB components, including minimum hardware requirements, Windows Hardware Compatibility Program requirements, and other recommendations that build on those requirements.Hardware component guidelines USB

Choose a driver model

Use this flow chart to determine a solution for your USB Type-C system.

If your system..Recommended solution..
Does not implement PD state machinesWrite a client driver to the UcmTcpciCx class extension.
Write a USB Type-C port controller driver
Implements PD state machines in hardware or firmware and support USB Type-C Connector System Software Interface (UCSI) over ACPILoad the Microsoft provided in-box drivers, UcmUcsiCx.sys and UcmUcsiAcpiClient.sys.
See UCSI driver.
Implements PD state machines in hardware or firmware, but either does not support UCSI, or support UCSI but requires a transport other than ACPIWrite a client driver for the UcmCx class extension.
Write a USB Type-C connector driver
Write a USB Type-C Policy Manager client driver
Implements UCSI but requires a transport other than ACPIWrite a client driver to the UcmUcsiCx class extension.
Use this sample template and modify it based on a transport that your hardware uses.
Write a UCSI client driver

Bring up drivers

  • USB Function driver bring-up is only required if you support USB Function mode. If you previously implemented a USB Function driver for a USB micro-B connector, describe the appropriate connectors as USB Type-C in the ACPI tables for the USB Function driver to continue working.

    For more information, see instructions about writing a USB Function driver.

  • USB Role-Switch driver bring-up is only required for devices that have a Dual Role controller that assumes both Host and Function roles. To bring-up the USB Role-Switch driver, you need to modify the ACPI tables to enable the Microsoft in-box USB role-switch driver.

    For more information, see the guidance for bringing up the USB Role Switch Driver.

  • A USB Connector Manager Driver is required for Windows to manage the USB Type-C ports on a system. The bring-up tasks for a USB Connector Manager driver depend on the driver that you choose for the USB Type-C ports: The Microsoft in-box UCSI (UcmUcsiCx.sys and UcmUcsiAcpiClient.sys) driver, a UcmCx client driver, or a UcmTcpciCx client driver. For more information, see the links in the preceding section that describe how to choose the right solution for your USB Type-C system.

Test

Perform various functional and stress tests on systems and devices that expose a USB Type-C connector.

Test USB Type-C systems with USB Type-C ConnEx - Run USB tests included in the Windows Hardware Lab Kit (HLK) for Windows 10.

Run USB function HLK tests with a C-to-A cable (search for Windows USB Device in the HLK

Certification/ComplianceAttend Power Delivery and USB Type-C compliance workshops hosted by the standards bodies.

See also