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Multimedia Audio Controller Driver is missing on Windows 10 2 years 38 weeks ago

When people open device manager, only to find there is a big yellow exclamation next to Multimedia Audio Controller under the Other devices section, when they open the Properties of Multimedia Audio Controller driver, it says that no drivers installed for this device.
In this way, you would better refer to this post for effective solutions.

The Wizard Could Not Start Microphone on Windows 10: Fix it 9 weeks 4 days ago

When you set up your microphone on your Windows 10 computer, you may get a Wizard could not launch error saying The Wizard could not start after clicking Set up microphone. The detail prompt is Make sure your audio hardware is working properly and check your audio configuration in the Audio Devices and Sound Themes control panel.
This is a typical microphone setup wizard not working issue. You need to take some measures to fix it. This post will show you some effective solutions.

How to Fix Set up Microphone Wizard Could Not Start?
Update the Microphone Driver
Reinstall the Microphone Driver
Run the Recording Audio Troubleshooter
Turn on Allow apps to access your microphone
Make Sure Microphone Is Enabled

[Solved!] How to Fix MTP USB Device Failed 32 weeks 4 days ago

The full name of MTP is Media Transfer Protocol. It is useful when you need to transfer your data between your computer and your Android device. However, if your device is not installed properly, the connection between your Android device and your PC will be disabled and you will be unable to transfer data between these two devices.

MTP USB Device Failed
MTP USB Device Failed is a common issue that is caused by the MTP USB device driver issue. It always happens when you want to connect an Android device to your computer.

You know when you connect an Android device to your PC, Windows will first install a corresponding driver software for your Android device. In this case, it is a MTP USB device driver. From the above image, you can see that Device driver software was not successfully installed (MTP USB Device Failed occurs because MTP USB Device Driver failed).

In this article, we will talk about how to fix MTP USB Device Failed/MTP USB Device Driver failed. There is more than one solution. If you are not sure the exact reason for this issue, you can try these solutions one by one until you find the suitable one.

How to MTP USB Device Failed?
Check the connection between Android and PC
Use Command Prompt
Modify the registry settings
Install the MTP Porting Kit

How to Fix Coprocessor Not Installed Error on Windows 10 2 years 41 weeks ago

Many people reported that when they opened device manager, but to find the Coprocessor driver was under the Other devices with a yellow mark next to it on Windows 10 having the code error 28 in device manager.
This post will tell you what to do to fix this Coprocessor not installed error in detailed steps, for instance, uninstall and then reinstall Coprocessor driver.

What If IDT High Definition Audio CODEC Driver Fails to Install? 26 weeks 1 day ago

One of the errors that have been bugging Windows 10 users is the IDT High Definition Audio CODEC driver issue that can lead to no sound on your computer. Usually, when upgrading your computer to Windows 10 or after you install any Windows 10 update, the driver issue appears.

When you update the driver in Device Manager, the process will fail along with an error message: “Windows found driver software for your device but encountered an error while attempting to install it.

IDT High definition Audio CODEC

A device attached to the system is not functioning.”

Fixed! Windows Can’t Load Device Driver for This Hardware Code 38 31 weeks 5 days ago

When you connect an external drive like an external hard drive, USB stick, memory card, SD card, etc. to your computer, the device will push the driver via the USB port or you can choose to manually install the device driver through an external medium.

After the device driver is successfully installed and loaded, the connection between your PC and the external drive is established, and you can use the device normally.

However, sometimes, you may find that you can’t use the external drive as normal without receiving any error message. In a situation like this, you can go to Device Manager to check the status of the device and find out what the problem is.

If everything is OK, the message in the Device status section is This device is working properly.

However, if there is a problem, you can find an error code in the Device status section in the Windows Device Manager.

Take the following Device Manager code 38 as an example. You can see that the Device status shows you the information on this error:

Windows cannot load the device driver for this hardware because a previous instance of the device driver is still in memory. (Code 38)

The driver could not be loaded because a previous version of the driver is still in memory.

Top Reasons for Error Code 38 Windows 10
To help you better understand this Windows cannot load the device driver for this hardware code 38 error, we summarize some main causes as follows:

The hard disk is turned off when the computer is idle.
The USB drive is in trouble.
The USB controller driver is not installed correctly.
The USB controller driver is corrupted.
The USB controller driver is outdated.
The USB controller driver has interfered with some third-party programs & services.
And more….

Fix Unknown Device Driver Issue on Windows 10 2 years 29 weeks ago

If you connect a device such as a USB mouse or SD Card Reader to computer, but uSB mouse or SD Card Reader does not working and you cannot find it in device manager. There is only an unknown device with a yellow exclamation in other devices tree. And sometimes, there list other devices such as PCI Data Acquisition and Signal Processor Controller. Your external device is not identified by Windows 10. So fix the unknown device driver issue on Windows 10 is important and necessary.