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en/docs/dev_doc/faq/product_faq/driver_recognition_and_device_exception.md
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---
title: Driver Recognition and Device Recognition Exception Issues
title: Driver Recognition and Device Exception Issues
---
--8<-- "common/phaten_xmos_support_img.md"
## **Q1**: Driver Recognition and Device Recognition Exception Issues
## **Q1**: Driver Recognition and Device Exception Issues
### Problem Description
During development or debugging, when using firmware with different configurations or different channel numbers, device recognition exceptions may occur, or the device cannot be used normally after recognition exceptions.
When using firmware with different configurations or channel counts during development or debugging, device recognition exceptions may occur, or the device may fail to function properly after recognition exceptions.
### Cause Analysis
After modifying the recording channel number, the new configuration is inconsistent with the configuration cached by the Windows system, causing the system to fail to correctly recognize the current device status. In this case, cached data needs to be cleared and device recognition needs to be performed again.
### Root Cause Analysis
When the recording channel count is modified, the new configuration does not match the configuration cached by the Windows system, causing the system to fail to correctly recognize the current device state. In such cases, it is necessary to clear the cached data and re-recognize the device.
### Solution
### Solutions
![Device Manager - Audio Devices](/assets/images/faq/qu_dong/音频设备卸载.png){width=500}
=== "Solution 1: Simple Uninstall"
1. Connect the device to the computer
2. Open Device Manager
3. Find the "Sound, video and game controllers" category
4. Right-click the related audio device
3. Locate the "Sound, video and game controllers" category
4. Right-click on the relevant audio device
5. Select "Uninstall device"
=== "Solution 2: Complete Uninstall (Recommended)"
1. Connect the device to the computer
2. Open Device Manager
3. Find the "Sound, video and game controllers" category
4. Right-click the related audio device
3. Locate the "Sound, video and game controllers" category
4. Right-click on the relevant audio device
5. Select "Uninstall device" and check "Delete the driver software for this device"
6. Reinstall the driver
6. Reinstall the driver software
7. Reconnect the device and wait for successful system recognition
## Consultation and Feedback
## Contact and Feedback
<details>
<summary>Click to expand consultation and feedback form</summary>
<summary>Click to expand contact and feedback form</summary>
--8<-- "common/customer_form.md"