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Apr 8, 2021 · When the iPhone 12 is plugged in to the PC with the supplied Lightning/USB-C cable Windows Device Manager reports new device as - Universal Serial Bus Controllers – Unknown USB Device (Device Descriptor Request Failed).
- Overview
- Look in the Finder, in iTunes, or in the Apple Devices app
- Check whether your device charges
- Update the software on all your devices
- Restart your devices
- Allow your device to connect in Windows or macOS
- Trust your computer, if asked
- Check for software conflicts
- Contact us
When your device is turned on and connected to your computer, it should appear in the Finder, in iTunes, or in the Apple Devices app. If you don't see it, follow these steps.
On a Mac with macOS Catalina or later, look for your device in the sidebar of any window in the Finder.*
On a Mac with an earlier version of macOS, look for your device in iTunes.
On a PC, look for your device in iTunes or in the Apple Devices app.
Learn more about viewing your device in the Finder or iTunes or in the Apple Devices app.
Your device should chime or vibrate when you connect it to your computer, but debris can build up in the charging port at the bottom of your iPhone or iPad and make it difficult to connect. If your iPhone or iPad does not charge when connected to your computer, connect your device directly without a hub or adapter if possible. If that doesn't work,...
Update your iPhone or iPad
Update your Mac
Update your Windows PC
On your PC you might also need to update iTunes, update Apple Devices, and update drivers.
When you connect your device to a Windows PC, Device Manager can confirm whether your computer is connected to your iPhone or iPad and update your driver if needed.
When you connect your device to a Mac laptop computer with Apple silicon, your Mac might ask whether you want to allow this accessory to connect. If so, allow it to connect.
If you see a “Trust this Computer?” alert on your device when you plug it into your computer, tap Trust. If you don’t see the alert or tapped incorrectly and the computer and iPhone or iPad may not trust one another, reset your Location & Privacy settings.
About the 'Trust This Computer' alert
Some third-party software might affect whether your iPhone or iPad can connect with your computer.
On a Mac, check your VPN or third-party security software for connectivity issues
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Select a guide or problem to get help with Getting started on your iPhone 12 mini (iOS 18).
Restoring factory default settings. Select a guide or problem to get help with Basic functions on your iPhone 12 mini (iOS 18).
Dec 20, 2023 · Every device using your Apple ID is linked to your iPhone. Here's how to review and manage the connected devices to ensure the security of your personal data.
devices connect to your network, what device capabilities are enabled, and what apps are available. Whether devices are owned by your organization or your users, you can provide mobile access to your organization's information while protecting it from anyone who should not have access.
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Oct 1, 2021 · Step 1: Disconnect your iPhone from your PC. Then, unlock your iPhone and reconnect it to the PC using your USB cable. Step 2: Right-click the Start button, then select Device Manager. Next, click Portable Devices so that it expands. Step 3: Right-click on Apple iPhone (or whatever your PC may call your iPhone). Click Update Driver.
