Your iPhone Cannot Connect to PC With USB? 8 Tips to Fix It

Please follow the guidelines on this post to find out why your iPhone cannot connect to PC with USB and learn the 8 tips to fix the problem.


By Kelsey / Updated on June 15, 2023

Share this: instagram reddit

Why your iPhone cannot connect to PC with USB?

Nowadays iPhone has been an important tool for us. Its creative design has made our life more colorful. To protect the important data on iPhone, you’d better backup iPhone to avoid data loss or other events. And also you may need to transfer data from iPhone to PC for business. But you may encounter the “iPhone cannot connect to PC with USB” problem during the backup and transfer process.

We list some reasons for the failure of the iPhone connecting to PC with USB below.

●Something wrong with the USB cable.
●Windows PC is still the old version and can’t be compatible with iTunes.
●iTunes is not the latest version. Thus there will be some running errors and software incompatibilities.
●Too many applications running on your computer may cause the computer to crash.

How to fix iPhone cannot connect to PC with USB in 8 ways

We have shorted out 8 effective tips to fix the problem of the iPhone cannot connect to computer, please try the following tips one by one.

Tip 1. Check the lighting cable

If your iPhone can’t connect to your PC, the first thing you should do is check if the lighting cable is damaged or worn, as this is the direct reason that may cause the problem. Please test whether your iPhone will charge when plugged into a computer (or other power sources, such as a wall outlet). If not, it may have some problems with the cable. Then try switching to a new lighting cable and make the connection go smoothly.

lighting cable

Tip 2. Try a different USB port

If the problem is not found to be the cable after inspection, you need to check the port. Most likely, iPhone cannot connect to PC because the USB port on the computer has stopped working. To rule this out, try plugging your iPhone into a different USB port. 

If your lightning cable is in good condition, try connecting your iPhone to another USB port. Similar to trying a different USB cable, if your iPhone has more than one USB port, you can try connecting it to other USB ports on your computer. Check whether your iPhone can connect to your computer. If it connects successfully, the USB port on your computer is damaged.

different USBport

Tip 3. Check whether your iPhone trusts the computer

After you connect your iPhone to your PC, you can see a notification: ”Trust The Computer?“ please click the Trust button, and your iPhone will receive a green signal indicating that the connection is secure. Otherwise, files cannot be transferred just over a physical connection.

trust this computer

Tip 4. Update Windows PC

If you are still using an older version of Windows(such as Windows XP), the latest version of iTunes cannot be used on PC. Thus this error may cause the failure of the iPhone will not connect to PC via USB. If you still can't connect after trying the above three methods, try installing the latest version of Windows.

Please select Start > Settings > Windows Update.

Windows update

Tip 5. Update Apple Device Service

If the above tips can't fix the problem, it could be an outdated driver that prevents the iPhone from connecting to the PC.

Please plug your iPhone into your PC > open Device Manager > open the Universal Serial Bus controllers > right-click on the Apple Mobile Device USB Device button > click on the Update driver button.

update Apple Device drive

If the outdated driver is the cause of the connection problem, it will be resolved. If not, you can scroll down and read other tips.

Tip 6. Restart your iPhone and Windows PC

When one device cannot connect to the other, it is a good idea to restart both devices because the problem may be on either device. Before restarting, please check whether you have used a USB cable to connect iPhone to PC, disconnect it if already connected.

After restarting the devices, you need to connect the iPhone to the PC again to check whether the problem is resolved. If not, proceed with the following tips.

Tip 7. Fix drive issue via FoneTool

If the above tips cannot solve the “I can't connect my iPhone to PC via USB” problem, then the error may be caused by more complicated reasons. If you want to solve it quickly, you can fix it with the help of third-party tools. We recommended FoneTool to repair the drive and let iPhone connect to PC smoothly.

Step 1. Download and open FoneTool, next Plug in your iPhone.

Download FreewareWin 11/10/8.1/8/7/XP
Secure Download

Step 2. Click on the top function bar and click Drive Repair Tool.

drive repair tool

Note: After tapping the Drive Repair Tool, the environment will be comprehensively diagnosed and the driver issue will be automatically fixed.

Tip 8. Update iTunes to the latest version

When your iPhone is used for a long time, it will often get stuck, so regularly manage the storage space on iPhone to ensure the smoothness of your iPhone. There will be a lot of photos, videos and data on your iPhone that you are reluctant to delete, thus backup to computer is the best way.

iTunes is the most commonly used tool for Apple users to backup contacts, music, photos. But when you use iTunes to manage your iPhone storage space, you may find that your iPhone cannot connect to the computer. This problem may be caused by outdated iTunes. Please follow the instructions below to update iTunes to the latest version to eliminate errors and software incompatibilities.

Step 1. Click Help on the top menu bar.

Step 2. Click Check for Updates.

check for updates

Bonus tip: Use iTunes alternative to avoid errors permanently  

iTunes is the most known iPhone backup software, but it has certain inconveniences, users need to view the entire transfer process, and some users say that iTunes is easy to cause data loss. Thus, we suggest you use an iTunes alternative to get rid of the problem. 

FoneTool, a professional iOS transfer and backup tool can be a safer and easier alternative to iTunes. With the help of FoneTool, you can quickly and easily backup photos, videos, music, contacts, etc.

Some outstanding features of FoneTool:

Flexible backup: You can not only full backup iPhone to PC, but also you can preview and selectively backup files to destination.
Widely compatible: It supports data backup for all iOS devices, no matter which iPhone you are available.
Superfast speed: You can back up 2000+ contacts in less than 20 seconds.

You can follow the steps below.

Step 1. Download and open FoneTool, next Plug in your iPhone.

Step 2. Tap Phone Backup > Selective Backup > Get Started.

custome backup

Step 3. Choose the files you want to backup > click OK to continue.

view files

Step 4. Select a storage path > click on Start Backup.

backup iPjone


This post shows you how to fix the “iPhone cannot connect to PC with USB” problem, all the 8 tips work effectively. If you don't want this problem to happen again, we highly recommend you choose the bonus tip, due to it not only being able to repair the drive but also helps you backup iPhone and transfer data from iPhone to iPhone.

Kelsey · Editor
Kelsey is an English editor of AOMEI Technology. She is passionate about helping people find effective ways to deal with all problems in computer. She has great insights into data backup and recovery, disk partition and clone, and other data protection measures. She likes learn computer skills to improve herself and enjoy quality time with family and friends.