Buzz
Not all USB ports on laptops and computers are the same. On newer systems, users will find it difficult to locate USB ports that are not USB 3.0 ports. However, users will still find an AV port (previously known as a Composite port) capable of charging and connecting printers like on USB 2.0 ports. The charging port on the system is the port where you charge device batteries, even when the device is off, and may also support fast charging.
Other USB ports also have the ability to charge devices but may not support fast charging. If you find that the output power of the USB port is low. It may be related to hardware issues, system errors, power supplies, or even drivers causing the computer to not recognize USB devices, mice, keyboards via USB ports. If you suspect that the USB port is performing poorly, you can check the power source of the port to verify this issue. This article by Mytour will guide you on how to check the power source of USB ports on a computer using the USBDeview application.
USBDeview is a free application developed by Nirsoft to check the power source of USB ports on your computer. This application provides information about USB devices connected to your system. Additionally, USBDeview can determine the time when USB devices were connected to the system.
Download USBDeview to your computer and install it here: Download USBDeview
Guide to check the power source of USB ports on a computer
After downloading and installing USBDeview, proceed to open the application. In the USBDeview window, you will see devices marked in green indicating devices currently connected to the system. Additionally, on this window, you can easily detect issues with devices and USB ports.
Remembering device names isn't easy due to the extensive list. Try scanning through and identifying your USB device by its description and type columns.
Next, double-click on your USB device's name to view device details. Scroll down to find the Power section to see how much power your USB device draws and compare it with the specifications on the device box when purchased. However, the main purpose here is to check the power output of the USB port on the computer your USB device is plugged into.
Find other USB devices connected to the computer. The USB port will be listed above or below the device name you're connected to. Double-click on it to see how much power the USB port's output is.
The port's output power will tell you how much power the port can supply, while the device's power specifications will tell you how much power the device draws from the port.
With the guide on checking the power of USB ports on your computer that Mytour just introduced above, hopefully, you can identify the issue with the USB port on your computer and find ways to fix it.
Currently, many people are not clear about how USB 2.0 and USB 3.0 differ. If interested, you can refer to the article comparing USB 2.0 and USB 3.0 here to enhance your knowledge. Wishing you all success.
