Article ID : S500008510 / Last Modified : 11/04/2018

How can I check if the USB controller works properly?

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How can I check if the USB controller works properly?
or
Why doesn't the PC recognize USB device?

It is possible to check if the USB controller is working properly using the Device Manager. Please refer to the procedure below:

Procedure:
1) Go to [Start]->[Settings]->[Control Panel].
2) Double-click on the "System" icon to open [System Properties].
3) Click the [Device Manager] tab and choose [View Devices By Type].
4) Click to highlight [Universal Serial Bus Controller] and make sure there is no [!] or [X] mark on it.

* Re-install the driver which has [!] or [X] mark.
* Re-install USB device driver when USB controller works properly but doesn't recognize USB device.