修復 Windows 10 中另一個應用程式正在使用的相機

Several users have faced camera used by another app issue when they are trying to access camera in Skype or other similar applications. This issue occurs both in inbuilt and external camera devices and it is reported on versions of Windows 7, 8.1, 10, and 11. To be more precise, this issue is faced after the 20H2 update of the Windows Operating System. The camera in use issue is not specific to any particular application on your device but it occurs on your PC for many reasons. In this guide, you will learn effective troubleshooting methods that will help you fix camera is being used by another application issue.

How to Fix Camera In Use by Another App in Windows 10

Here are some valid reasons that contribute to the camera used by another app problem. You are advised to analyze the reasons deeply so that you could follow appropriate troubleshooting methods to resolve the problem so easily.

• Missing, outdated, or incompatible camera drivers.
• The files and cache in-camera application are corrupt or incompatible with your Operating System.
• Camera access is not granted in your Windows 10 PC.
• Antivirus programs may restrict camera access.
• Corrupt camera app.
• Some other programs on PC are using your camera.
• Camera settings are not appropriate.
• Windows Defender Firewall is blocking Camera access.
• Webcam security features are contributing to the error.

We have investigated several technical forums regarding the camera used by another app issue and thereby analyzed the troubleshooting hacks to fix the problem.

Method 1: Close Programs that Use Camera

The camera in your device can only be used by one application at a time. If you guess that other applications are using the camera, you are advised to close all background applications that are active on your device. You can either exit from all programs by closing all of them one by one or by Task Manager. To do so, follow our guide on How to End Task in Windows 10.

In addition, you are advised to disable start-up programs on your Windows 10 PC. To implement the task, follow our guide on 4 Ways to Disable Startup Programs in Windows 10

Method 2: Allow Camera Access

If you are experiencing a camera used by another app issue in your Windows 10 computer, there are some chances that access to the camera is not granted appropriately. Also, you can easily fix this issue by allowing access to the camera in Windows Settings. Here are a few steps to grant permission.

1. You can launch Windows設置 按下 Windows + I鍵 同時進行。

2.然後，選擇 隱私 如圖所示。

3. Then, in the left pane, search and select the 相機 選項。

注意： 確保 允許應用程序訪問您的相機 option is enabled as depicted.

相關閱讀： How to Fix Omegle Camera Not Working

Method 3: Run Hardware & Devices Troubleshooter

If you find your Windows 10 computer is facing any hardware-related issues, it can be easily sorted by running 硬件和設備疑難解答. All the issues identified by the troubleshooter will be automatically resolved by the troubleshooter itself. For instance, if there are any corrupt settings in your PC and if there are any specific changes intended to be done, the troubleshooter helps you a lot. Follow our guide to Run Hardware and Devices Troubleshooter to fix issues and implement the steps as instructed.

Once you have fixed all the suggestions mentioned at the end of the troubleshooting process, check if you have fixed camera used by another app issue.

Method 4: Enable Camera Device Driver

If you have accidentally disabled the webcam or camera in your device settings, you will face camera in use issue. So, if you have disabled the webcam in your device, enable it on your computer as instructed below.

1.點擊 Windows鍵 和類型 “設備管理器”。 然後，點擊 已提交.

2. 一旦 “設備管理器” window opens, double-click on 相機 section to expand it.

3. Now, right-click on your camera device and select the 啟用設備 選項。

相關閱讀： 8 Best Webcam for Streaming in India (2022)

方法 5：運行惡意軟件掃描

Several Microsoft experts suggest that, scanning PC will help you maintain your computer threat free. If there are any virus or malware intrusions in your PC, you cannot use external and internal hardware devices. Hence, you are advised to scan your computer as instructed in our guide on How do I Run a Virus Scan on my Computer?

另外，如果您想從電腦中移除惡意軟體，請查看我們的指南如何在 Windows 10 中從您的電腦中移除惡意軟體。

方法 6：更新 Windows

Also, if there are any bugs in your PC, they can only be fixed after a Windows update. Microsoft releases regular updates to fix all these bugs thereby sorting camera is being used by another application issue. Hence, ensure if you have updated your Windows Operating System and if there are any updates pending in action, use our guide to Download and Install Windows 10 Latest Update.

After updating your Windows Operating System, check whether you can access your camera.

相關閱讀： How To Fix No Camera Found In Google Meet

Method 7: Disable Windows Firewall

Sometimes, Windows Defender Firewall in your computer might prevent camera access, for some security reasons. If in case, camera has been blocked by Windows Defender Firewall, you have to enable it or disable the Firewall securities temporarily from your computer. If you do not know how to disable Windows Defender Firewall, our guide to Disable Windows 10 Firewall will help you do so.

After accessing your camera, make sure you enable the Firewall suite again, since a computer without a security program is always a threat.

Method 8: Update or Rollback Camera Drivers

If there are any incompatible or outdated camera drivers in your computer, you will face camera in use issue. To fix the problem, either update the camera drivers or roll back them if necessary.

選項一：更新驅動程式

1。 類型 “設備管理器” in the Windows 10 search menu and click on 已提交.

2. 然後，雙擊 相機 擴大它。

3. 現在，右鍵單擊 你的司機 (say HP TrueVision HD) and then select 更新驅動程序.

4。 現在，點擊 自動搜索驅動程序. This will identify and install the apt drivers automatically.

5A. If there are updates pending to be installed, the update will be successful.

5B. You will get 最適合您裝置的驅動程式已安裝 message if the drivers are already updated.

6. Exit the window and 重啟 您的PC。

相關閱讀： 修復此設備正在被另一個應用程式使用聲音錯誤

Option II: Rollback Drivers

1. As you did earlier, open “設備管理器” 並擴大 相機 部分。

2.右鍵單擊 司機 並選擇 氟化鈉性能 選項。

3。 切換到 Driver標籤 並點擊 回滾驅動程序.

4。 點擊 OK 保存更改。

5.最後，點擊 是 in the prompt and 重新開始 your computer. Now, you can access your camera.

相關閱讀： 什麼是設備驅動程式？它是如何運作的？

Method 9: Update Apps

You must make sure whether all the applications associated with the Microsoft Store are updated to its latest version. This will ensure if all the inter related apps are up to its latest version thereby fixing camera used by another app problem. Follow the steps as instructed.

1。 類型 微軟商店 在搜尋選單中，然後按一下 已提交.

2. Next in the 微軟商店 窗口中，單擊 電子圖書館 圖標如圖所示。

3。 現在，點擊 獲取更新 按鈕如圖所示。

4。 接下來，單擊 全部更新 按鈕。

5. Wait until you get 您的應用程式和遊戲是最新的 及時。

After updating the apps, check if you have fixed the problem.

Method 10: Reinstall Problematic Apps

For app related problems that are causing you camera is being used by another application issue, you have no other options than to reinstall them. Here are few instructions to reinstall problematic applications in Microsoft Store.

注意： 在本指南中， Zoom 為例。

1。 類型 控制面板 在搜尋選單中，然後按一下 已提交.

2。 組 查看方式 > 大圖標，然後點擊 “程序和功能” 選項。

3。 現在，點擊 Zoom 並選擇 卸載 選項。

4. Confirm the prompt if any and 重啟 your PC after the app is completely uninstalled.

5. Download Zoom from the 官方網站.

6. 現在，導航至 我的下載 並運行 Zoom安裝程式 setup file. Wait until the app gets installed on your PC. Now, you can access the camera in the newly installed app.

相關閱讀： Fix Camera Not Working on Teams

Method 11: Re-register Camera

If none of the above-discussed methods have helped you, then have a try to re-register your camera as instructed below. There are two methods to implement the task.

Option I: Through Windows PowerShell

1。 類型 PowerShell的 在搜索欄中，然後單擊 以管理員身份運行 如圖所示。

2. Then, type the following command and hit 回車鍵.

Get-AppxPackage -allusers Microsoft.WindowsCamera | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)AppXManifest.xml"}

3. Wait until the common execution is successful and check if you have fixed camera in use issue .

Option II: Through Device Manager

1。 打開 “設備管理器” 從 Windows 搜索欄。

2. 現在，展開 相機 雙擊該部分。

3. Then, right-click on the camera driver (e.g. 惠普 TrueVision 高清），然後選擇 卸載設備 選項。

4. 現在，切換到 行動 選項卡並選擇 掃描硬件更改 選項。

Method 12: Reset Camera App

You can also try resetting your camera application to fix camera used by another app issue. Follow as instructed below

1.點擊 Windows鍵，輸入 相機，然後按一下 應用程序設置.

2.然後，單擊 重設 選項如突出顯示。

3. Next, confirm any prompt by clicking on 重設.

相關閱讀： Fix Laptop Camera Not Detected on Windows 10

方法 13：執行系統還原

If there are any incompatible Windows updates on your computer, your PC will not work as usual it does. So, restore your computer to a state whether everything was working fine. Here are some instructions to restore your PC. To do so, follow our guide on How to use System Restore on Windows 10 and implement the instructions as demonstrated.

After restoring your Windows 10 PC, check if can use your camera.

Method 14: Clean Install Windows 10

If none of the methods have helped you fix the said issue, then you have to clean install your Windows Operating System. To clean boot your computer, implement the steps as instructed in our guide to do a Clean Install of Windows 10

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It would be really frustrating not being able to access your camera in the middle of the meetings, but now you would have fixed 使用中的相機 by another app issue in Windows 10. Keep visiting our page for more cool tips & tricks and leave your comments below. Also, if you have any queries/suggestions regarding this article, then feel free to drop them in the comments section.