5 ways to fix the error can not connect iPhone to the computer

In the event that the message does not appear, simply unplug the connection cable and reboot the device.

1. Turn off image format conversion

By default, iPhone automatically converts multimedia files (photos, videos) to a format compatible with the receiving device (Mac or PC). However, this process sometimes causes The device is unreachable error on Windows.

To turn off image format conversion, disconnect your iPhone from your computer, then go to Settings - Photos (photos) and select Keep Originals in the Transfer section. to Mac or PC (transfer to Mac or PC).

2. Use a different connection cable

Almost any type of cable can charge iPhone, but the witty cables will not support data transfer and are not safe for long-term use.

When you want to use a third-party Lightning cable, users should choose famous brands such as Anker, Aukey, RAVPower . that support fast charging according to PD standard and get Apple's MFi certification.

3. Use the error correction tools available on Windows

Windows has a built-in tool to help you quickly check and fix common problems.

To use, plug your iPhone into your computer, then press Windows + R, enter the command msdt.exe -id DeviceDiagnostic and click OK. The Hardware and Devices troubleshooting tool will now launch.

If the troubleshooter doesn't detect any errors with your device, try updating the USB driver.

4. Update the USB driver

First, right-click the Start menu in the lower left corner of the screen and select Device Manager. Next, users just need to navigate to Universal Serial Bus controllers, right-click on the USB Root Hub line and select Update driver - Search automatically for updated driver software.

5. Update iOS

If none of the above solutions fix the problem, try updating iOS by going to Settings - General - Software Update - Download & Install (download and install). Setting). Note, the size of the update may vary depending on the device you are using.

Before updating, users should back up all data on iPhone via iTunes or iCloud to minimize possible risks.