在将 iOS 或 iPadOS 设备连接到计算机时，许多用户遇到错误，指出连接到系统的设备无法正常工作。(A device attached to the system is not functioning.)当Windows操作系统无法与您的 iPhone 或 iPad 连接时，就会发生这种情况。如果您也是受影响的用户之一，则无需采取任何极端措施。通过本指南，我们将引导您通过不同的故障排除方法来解决连接到系统的设备无法正常运行Windows 10问题。
修复连接到系统的设备无法正常运行 Windows 10
(Fix A device attached to the system is not functioning Windows 10
)
基本上，这是您的 iPhone/iPad 和Windows(Windows) PC之间发生的兼容性问题。事实上，这是一个仅限Windows的错误；它不会发生在 macOS 上。似乎大多数 iPhone 和 iPad 用户在将他们的 iOS 设备连接到Windows PC 以上传图像和视频后都会遇到此错误。常见的原因有：
- 过时的 iTunes 应用程序
- 不兼容的 Windows 设备驱动程序
- 过时的 iOS/iPad 操作系统
- 连接电缆或连接端口的问题
- 过时的Windows 操作系统(Windows Operating System)
我们已经解释了各种方法来潜在地修复连接到系统的设备在Windows 10系统上无法运行错误。如果 iTunes 不支持您的 iOS 软件，您仍然可以使用相同的方法。
方法 1：重新连接您的 iOS 设备(Method 1: Reconnect your iOS Device)
由于iPhone 和Windows计算机之间的链接不正确(improper link)，可能会发生此错误。也许，
- 电缆未正确连接到USB端口，
- 或连接电缆损坏，
- 或 USB 端口故障。
您可以尝试重新连接您的 iPhone 并确认您是否可以修复连接到系统的设备无法正常运行错误。
另请阅读：(Also Read:) 修复 Windows 10 无法识别 iPhone(Fix Windows 10 Not Recognizing iPhone)
Method 2: Use a Different USB to Lightning/Type-C Cable
Apple的闪电电缆随着时间的推移容易老化。如果电缆损坏，
- 您在为 iPhone充电(issues while charging)时可能会遇到问题，
- 或者您可能已经收到“附件可能不受支持”(Accessory might not be supported)的消息。
- 或连接到系统的设备未运行 (A device attached to the system is not functioning )错误。
因此(Hence)，请使用不同的连接线重新建立 iPhone/iPad 与Windows台式机/笔记本电脑之间的连接。
方法 3：重新启动 Windows 10 系统
(Method 3: Restart your Windows 10 System
)
重新启动计算机将帮助您解决设备的小故障，并可能修复连接到系统的设备无法正常运行 Windows 10 错误。重新启动计算机并查看问题是否已解决。
如果这些基本故障排除方法无法解决连接到系统的设备无法正常工作的问题，我们将尝试更复杂的解决方案来消除上述错误。
另请阅读：(Also Read:) 修复 iPhone 无法发送短信(Fix iPhone Cannot Send SMS messages)
Method 4: Update/Reinstall Apple iPhone Driver
您应该手动更新Windows 10 PC 上的 iPhone 或 iPad 设备驱动程序，以检查这是否解决了连接到系统的设备无法正常运行Windows 10问题。
注意：(Note:) 确保(Make)您有稳定的互联网连接和良好的速度来更新驱动程序而不会中断。
请按照以下步骤更新Apple 设备(Apple Device)驱动程序：
1. 点击Windows 搜索(Windows search)栏，搜索设备管理器(Device Manager)。从搜索结果中打开它，如下图所示。
2.从便携式设备(Portable devices)列表中右键单击您的Apple 设备。(Apple device)
3. 现在，单击更新驱动程序(Update Driver)，突出显示。
您的 iPhone 驱动程序将在您的Windows计算机上更新并解决兼容性问题。如果没有，您可以重新安装Apple 驱动程序(Apple Driver)，如下所示：
1.启动设备管理器(Device Manager )并转到Apple驱动程序，如前所述。
2. 右击Apple iPhone Driver并选择Uninstall Device，如图所示。
3. 重新启动您的系统，然后重新连接您的 iOS 设备。
4. 单击开始菜单中的(Start Menu)设置(Settings)，然后单击更新和安全(Update & Security)，如图所示。
5. 您将在可用更新(Updates available)部分下看到所有可用更新的列表。从这里安装iPhone 驱动程序。(iPhone driver)
方法五：清空存储空间(Method 5: Clear Storage Space)
由于媒体在传输到 PC 之前会转换为HEIF或HEVC图像和视频，因此您的 iOS 设备上的存储空间不足可能会触发连接到系统的设备无法正常工作的问题。(HEVC)因此(Therefore)，在进行其他修复之前，我们建议您检查 iPhone/iPad 上的可用存储空间。
1. 转到 iPhone 上的设置( Settings )应用程序。
2. 点击常规。(General.)
3. 点击iPhone Storage，如下图。
您的 iPhone 或 iPad 上必须始终有至少 1 GB 的可用空间。(at least 1 GB of free space)如果您注意到可用空间小于所需空间，请释放设备上的空间。
另请阅读：(Also Read:) 如何将 Whatsapp 备份从 Google Drive 恢复到 iPhone(How to Restore Whatsapp Backup From Google Drive to iPhone)
Method 6: Install/Update iTunes
即使您可能没有使用 iTunes 来合并或备份 iPhone 或 iPad 上的数据，在您的设备上启用它也很重要。这将有助于防止共享图像和视频时出现问题。由于 iTunes 的过时版本可能会导致连接到系统的设备无法运行问题，请按照以下步骤更新 iTunes 应用程序：
1.在Windows 搜索中搜索(Windows search)Apple Software Update，如下图所示。
2.通过单击以管理员身份运行来启动(Run as administrator)Apple 软件更新(Apple Software Update)，如突出显示的那样。
3. 现在，检查更新(Check for updates)并安装/更新 iTunes。
方法七：设置照片保留原件(Method 7: Set Photos to Keep Originals)
为了修复连接到系统的设备无法运行 iPhone 错误，此方法是必须尝试的。随着 iOS 11 的发布，iPhone 和 iPad 现在默认使用Apple HEIF（高效图像文件(High-Efficiency Image File)）格式以减小的文件大小存储图像。但是，当这些文件传输到 PC 时，它们会转换为标准JPEG格式。您可以通过完全避免文件传输来解决此问题。
1. 转到iPhone 上的设置菜单。(Settings)
2.向下滚动(Scroll)菜单，然后点击照片。(Photos.)
3. 在传输到 MAC 或 PC(Transfer to MAC or PC)部分，选中保留原件(Keep Originals)选项。
此后(Hereafter)，您的设备将传输原始文件而不检查兼容性。
方法 8：重置位置和隐私(Method 8: Reset Location & Privacy)
当您第一次将 iOS 设备链接到任何计算机时，您的设备会提示信任这台计算机(Trust This Computer)消息。
您需要点击信任(Trust)以允许 iPhone/iPad 信任您的计算机系统。
如果您错误地选择了不信任(Don’t Trust )，它将不允许您将图像传输到您的计算机。在这种情况下，您需要在将设备连接到计算机时通过重置您的位置和隐私设置来重新启用此消息。这样做的方法如下：
1.从主屏幕(Home Screen.)打开设置应用程序。(Settings )
2. 点击常规。(General. )
3. 向下滚动并点击重置。(Reset.)
4. 从给定的列表中，选择重置位置和隐私。(Reset Location & Privacy.)
5. 最后，断开 iPhone 与 PC 的连接并重新连接。
另请阅读：(Also Read:) 如何硬重置 iPad Mini(How to Hard Reset iPad Mini)
Method 9: Update iOS/ iPadOS
更新 iPhone 或 iPad 上的 iOS 软件将有助于修复将 iOS 设备链接到Windows计算机时出现的小错误。
首先，备份(backup)iOS 设备上的所有数据。
然后，按照以下步骤更新 iOS：
1. 前往设置(Settings )并点击常规(General)。
2. 点击软件更新(Software Update)，如图所示。您的 iOS 设备将检查可用更新。
3. 如果您看到新的更新，请单击下载并安装(Download and Install)。
4.输入您的密码(passcode)并下载。
附加修复(Additional Fix)
如果上述解决方案都不能修复连接到系统的设备无法运行错误，
-
强制重启(Force restart )您的 iPhone 或 iPad。
-
(Restore your iOS device )通过 iTunes 或 iCloud 从以前的备份恢复您的 iOS 设备。
常见问题 (FAQ)(Frequently Asked Questions (FAQs))
Q1。为什么我的 iPhone 说连接到系统的设备无法运行？(Q1. Why does my iPhone say a device attached to the system is not functioning?)
在 iOS 11 发布时，Apple将 iOS 设备上的默认音频和视频格式从JPEG和H.264分别更改为HEIF（高效图像格式(High-Efficiency Image Format)）和HEVC（高效视频编解码器(High-Efficiency Video Codec)）。较新的格式尤其在减少存储需求和可比较的视觉质量方面非常有效。
但是，它们与其他设备不兼容。因此(Hence)，Apple提供了在文件共享期间自动将照片和视频转换为设备兼容格式的功能。遗憾的是，实时转换过程中的故障似乎是在将文件传输到Windows PC 时，连接到系统的 A 设备无法正常工作错误的来源。
Q2。为什么我不能将视频从 iPhone 传输到计算机？(Q2. Why can’t I transfer videos from iPhone to computer?)
由于以下原因，您无法将视频从 iPhone 传输到计算机：
- 您的 PC 上没有足够的空间
- 您的 iPhone 已锁定
- 不支持您的数据线
- 您的 iOS 版本未更新
- 你的电脑没有更新
- PC 设备驱动程序出现故障
受到推崇的：(Recommended:)
我们希望本指南对您有所帮助，并且您能够解决连接到系统的设备在 Windows 10 上无法运行的问题。( fix A device attached to the system is not functioning on Windows 10 issue.)让我们知道哪种方法最适合您。将您的查询放在下面的评论部分。
Fix A Device Attached to the System is Not Functioning
While connecting the iOS or iPadOS device to a compυter, many users encountered an error stating A device attached to the system is not functioning. This happens when Windows operating system is unable to connect with your iPhone or iPad. If you too are one of the affected users, there is no need to take any extreme measures, just yet. Through this guide, we’ll take you through different troubleshooting methods to resolve A device attached to the system is not functioning Windows 10 issue.
Fix A device attached to the system is not functioning Windows 10
Basically, this is a compatibility problem that occurs between your iPhone/iPad, and your Windows PC. Indeed, this is a Windows-only error; it does not occur on macOS. It appears that the majority of iPhone and iPad users encounter this error after connecting their iOS devices to a Windows PC to upload images and videos. The common reasons are:
- Obsolete iTunes app
- Incompatible Windows device drivers
- Outdated iOS/iPad OS
- Issues with connecting cable or connection port
- Out-of-date Windows Operating System
We have explained various methods to potentially, fix a device attached to the system is not functioning error on Windows 10 systems. If your iOS software is not supported by iTunes, you can still use the same methods.
Method 1: Reconnect your iOS Device
This error can occur as a result of an improper link between your iPhone and your Windows computer. Perhaps,
- the cable is not wired to the USB port correctly,
- or the connecting cable is damaged,
- or the USB port is faulty.
You can try reconnecting your iPhone and confirm if you could fix a device attached to the system is not functioning error.
Also Read: Fix Windows 10 Not Recognizing iPhone
Method 2: Use a Different USB to Lightning/Type-C Cable
Lightning cables by Apple are prone to deterioration over time. If the cable is damaged,
- you may face issues while charging your iPhone,
- or you may have gotten Accessory might not be supported message.
- or A device attached to the system is not functioning error.
Hence, use a different connecting cable to re-establish the connection between your iPhone/iPad to Windows desktop/laptop.
Method 3: Restart your Windows 10 System
A reboot of your computer will assist you in resolving minor glitches with the device, and might fix A device attached to the system is not functioning Windows 10 error. Restart the computer and see if the problem is resolved.
If these basic troubleshooting methods couldn’t fix A device attached to the system is not functioning issue, we shall try more complex solutions to get rid of the said error.
Also Read: Fix iPhone Cannot Send SMS messages
Method 4: Update/Reinstall Apple iPhone Driver
You should update the iPhone or iPad device drivers on your Windows 10 PC manually, to check if this resolves A device attached to the system is not functioning Windows 10 issue.
Note: Make sure you have a stable internet connection with good speed to update the drivers without interruption.
Follow the steps given below to update Apple Device drivers:
1. Click on the Windows search bar and search for Device Manager. Open it from the search results, as depicted below.
2. Right-click on your Apple device from the Portable devices list.
3. Now, click on Update Driver, as highlighted.
Your iPhone drivers will be updated on your Windows computer and compatibility issues resolved. If not, you can reinstall Apple Driver as follows:
1. Launch Device Manager and go to Apple Driver, as earlier.
2. Right-click on Apple iPhone Driver and select Uninstall Device, as shown.
3. Restart your system and then, reconnect your iOS device.
4. Click on Settings from Start Menu and then, click Update & Security, as depicted.
5. You will see a list of all available updates under the Updates available section. Install iPhone driver from here.
Method 5: Clear Storage Space
Since media gets converted into HEIF or HEVC images and videos before being transferred to PCs, shortage of storage space on your iOS device might trigger A device attached to the system is not functioning issue. Therefore, before proceeding to the other fixes, we suggest that you check the available storage space on your iPhone/iPad.
1. Go to the Settings app on your iPhone.
2. Tap on General.
3. Click on iPhone Storage, as shown below.
You must have at least 1 GB of free space on your iPhone or iPad, at all times. If you notice that the usable room is less than the desired space, free up space on your device.
Also Read: How to Restore Whatsapp Backup From Google Drive to iPhone
Method 6: Install/Update iTunes
Even though you may not be using iTunes to merge or back up data on your iPhone or iPad, it is crucial to have it enabled on your device. This will help prevent problems while sharing images and videos. Since an obsolete version of iTunes may cause A device attached to the system is not functioning issue, update the iTunes app by following these steps:
1. Search Apple Software Update in the Windows search, as illustrated below.
2. Launch Apple Software Update by clicking on Run as administrator, as highlighted.
3. Now, Check for updates and install/update iTunes.
Method 7: Set Photos to Keep Originals
In order to fix A device attached to the system is not functioning iPhone error, this method is a must-try. With the release of iOS 11, iPhones and iPads now utilize Apple HEIF (High-Efficiency Image File) format to store images at a decreased file size, by default. However, when these files are transferred to a PC, they are converted to the standard JPEG format. You can solve this problem by avoiding the file transfer, altogether.
1. Go to the Settings Menu on your iPhone.
2. Scroll down the menu, and tap on Photos.
3. In the Transfer to MAC or PC section, check the Keep Originals option.
Hereafter, your device will transfer the original files without checking for compatibility.
Method 8: Reset Location & Privacy
When you link your iOS device to any computer for the very first time, your device prompts Trust This Computer message.
You need to tap on Trust to allow the iPhone/iPad to trust your computer system.
If you chose Don’t Trust mistakenly, it will not allow you to transfer images to your computer. In this case, you will need to re-enable this message by resetting your location and privacy settings when you connect your device to your computer. Here’s how to do so:
1. Open the Settings app from the Home Screen.
2. Tap on General.
3. Scroll down and tap on Reset.
4. From the given list, choose Reset Location & Privacy.
5. Finally, disconnect and reconnect your iPhone to the PC.
Also Read: How to Hard Reset iPad Mini
Method 9: Update iOS/ iPadOS
Updating the iOS software on your iPhone or iPad will help fix minor errors that occur when linking your iOS device to a Windows computer.
First and foremost, backup all data on your iOS device.
Then, follow these steps to update iOS:
1. Go to Settings and tap on General.
2. Tap on Software Update, as shown. Your iOS device will check for available updates.
3. If you see a new update, click on Download and Install.
4. Enter your passcode and let it download.
Additional Fix
If none of the above-mentioned solutions could fix a device attached to the system is not functioning error,
Frequently Asked Questions (FAQs)
Q1. Why does my iPhone say a device attached to the system is not functioning?
When iOS 11 was released, Apple changed the default audio & video formats on the iOS devices from JPEG and H.264 to HEIF (High-Efficiency Image Format) and HEVC (High-Efficiency Video Codec) respectively. The newer formats are, in particular, very effective in terms of reduced storage requirements and comparable visual quality.
However, they aren’t compliant with other devices. Hence, Apple has provided a feature that converts photos and videos into device-compatible formats automatically, during file sharing. Regrettably, a glitch in the real-time conversion process seems to be the source of the A device attached to the system is not functioning error when transferring files to a Windows PC.
Q2. Why can’t I transfer videos from iPhone to computer?
You are not able to transfer videos from iPhone to a computer for the following reasons:
- You don’t have enough space on your PC
- Your iPhone is locked
- Your data cable is not supported
- Your iOS version is not updated
- Your PC is not updated
- The PC device drivers are malfunctioning
Recommended:
We hope that this guide was helpful and you were able to fix A device attached to the system is not functioning on Windows 10 issue. Let us know which method worked for you best. Drop your queries in the comment section below.
