How to check USB power

Written by chris hoke
  • Share
  • Tweet
  • Share
  • Pin
  • Email
How to check USB power
USB devices can draw power directly from a USB hub. (usb 2 image by Bosko Martinovic from Fotolia.com)

The USB (Universal Serial Bus) ports on your computer are a powerful interface that allows you to connect to a wide range of peripheral devices instantly and without rebooting your system. Many USB devices draw power directly from the USB hub, as opposed to drawing power from an electrical socket. USB devices that are connected through the same hub will not function correctly if the devices are consuming more than the maximum usage limit for that hub. Fortunately, there is a way to monitor the USB power usage for each device through the Windows Device Manager.

Skill level:
Easy

Other People Are Reading

Instructions

  1. 1

    Click the "Start" menu, then click "Run".

  2. 2

    Type "devmgmt.msc" in the "Run" dialogue box. Click the "OK" button. This will bring up the Device Manager window.

  3. 3

    Double-click the "Universal Serial Bus controllers" branch to expand it.

  4. 4

    Right-click on one of the entries named "USB Root Hub" and choose "Properties" from the menu.

  5. 5

    Click the "Power" tab. You will find the total power available to that hub listed under "Hub information". In the "Attached Devices" area you can see the devices that are connected through that hub and how much power each device is using.

  6. 6

    Close the "USB Root Hub Properties" window. Right-click and select "Properties" for each USB hub to check the total power provided by that USB hub and the power being used by the devices connected to it.

Don't Miss

Filter:
  • All types
  • Articles
  • Slideshows
  • Videos
Sort:
  • Most relevant
  • Most popular
  • Most recent

No articles available

No slideshows available

No videos available

By using the eHow.co.uk site, you consent to the use of cookies. For more information, please see our Cookie policy.