Is there a problem with the USB host controller or the root hub?
Is there a problem with the USB host controller or the root hub?
If there is a problem with the USB host controller or the root hub, a USB device might not work.
To check the status of these devices
1. Open Device Manager.
2. Double-click Universal Serial Bus controllers.
3. Right-click the entry for your USB host controller, and then click Properties.
4. Look in the Device status box to see if it mentions any problems with the device, and then click OK.
5. Click USB Root Hub, and then repeat steps 3 and 4 for this device.
Note
• To open Device Manager, click Start, click Control Panel, click Performance and Maintenance, and then click System. In the System Properties dialog box, click the Hardware tab, and then click Device Manager.
Is there a problem with either of these devices?
The Device status box reports a problem with the USB host controller. Or, no USB host controller is listed on the Device Manager tab.
The word "unsupported" appears next to the USB host controller.
The Device status box reports a problem with the root hub.
The Device status box reports that both of these devices are working properly.
If there is a problem with the USB host controller or the root hub, a USB device might not work.
To check the status of these devices
1. Open Device Manager.
2. Double-click Universal Serial Bus controllers.
3. Right-click the entry for your USB host controller, and then click Properties.
4. Look in the Device status box to see if it mentions any problems with the device, and then click OK.
5. Click USB Root Hub, and then repeat steps 3 and 4 for this device.
Note
• To open Device Manager, click Start, click Control Panel, click Performance and Maintenance, and then click System. In the System Properties dialog box, click the Hardware tab, and then click Device Manager.
Is there a problem with either of these devices?
The Device status box reports a problem with the USB host controller. Or, no USB host controller is listed on the Device Manager tab.
The word "unsupported" appears next to the USB host controller.
The Device status box reports a problem with the root hub.
The Device status box reports that both of these devices are working properly.
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