Computer Fails to Detect Phone.
I. Causes of the Issue.
II. Troubleshooting Methods.
1. Mechanical Device Fault.
2. Issues with USB Port, Cable, or Hub.
3. Missing Necessary Software.
Users can luckily resolve this issue without any special skills. Let's explore solutions to fix the problem of computer not recognizing the phone in this article.
I. Causes of USB Port Issue
- Mechanical device damage (requires repair);
- Issues with USB port, cable, or hub;
- Computer lacks proper driver installation or updates.
II. Troubleshooting Methods for Computer Not Recognizing Phone
1. Mechanical Device Fault
You can check your phone and computer by connecting your phone to another computer. If either device is faulty, you can repair or replace it.
2. Issues with USB Port, Cable, or Hub
If it's not a device issue, you can check the USB port, cable, and hub by:
- Cleaning the USB port;
- Checking the status of the USB controller through Device Manager. An exclamation mark or a cross means a controller error;
- Using a new cable;
- Cleaning the USB port;
- Checking the status of the USB controller through Device Manager. A check mark or a cross indicates a controller error;
- Using a new cable;
3. Missing Necessary Software
The issue of missing necessary software may occur when you connect your phone via USB cable and the system reports device recognition error but still charges the battery. Additionally, another reason could be using an outdated version of Windows that does not support modern utilities.
If your computer is running Windows 10 but still doesn't recognize the device, you can try the following:
- Open Device Manager;
- Look for an unknown utility in the list of connected devices;
- If it doesn't appear in the Other devices section, select Update driver from the menu;
- If an unknown device appears in the list of Universal serial bus controllers, open the menu by right-clicking. Choose Properties >Driver >Roll Back Driver / Uninstall Device (if rollback doesn't work). Updating hardware configuration may help you overcome the 'USB device not recognized' error in most cases;
- In the Power Management tab, check if the system allows turning off devices for energy saving, whether it's enabled in the list of connections prefixed with USB;
- Remove unnecessary drivers from other devices.