Windows 8 alienware m14x r2 all ports do not work, but the mouse a light (urgent)

(My technician just repaired my motherboard replacing)

Hi I tried to find a way to solve the problem

I tried these ways:

* Uninstall or disable usb host controllers restart the pc

* Verified is usb is enabled in Bios

* Analysis of the changes for repairs

* Safe mode

The pc refresh

* Leave it alone for a while

All of these ways does not seem to work I really need help quickly

Hello

Please contact Microsoft Community.

We appreciate the time and effort you have put in to solve the problem. I would like to help more far away.

Method 1: Follow these steps to run the windows in built convenience store:

(a) write Troubleshooting in the search box and press on enter.

(b) click the Troubleshooting .

(c) click view all in the upper left corner.

(d) select the options of the equipment and devices in the list.

(e) click Next to run the hardware and devices troubleshooter.

Method 2: Please follow the steps below and check it, if it helps.

1. right click on Startand then click Control Panel.

2. Select Systemand then click on Device Manager.

        Note If Control Panel is in Classic view, double-click System, and then click Device Manager.

If you are prompted for an administrator password or a confirmation, type the password, or click allow.

3 in the Device Manager, double click to enlarge "Controllers of Bus USB", right click on the host controller.

On the shortcut menu that appears, click on the following and check if it helps to solve the problem.

  1. Update driver software
  2. Uninstall
  • Driver software update to update the selected USB controller driver. In the display box, click search automatically for updated driver for windows to search for the driver updated from the Internet.
  • Uninstall to uninstall the driver. Then, restart your computer and Windows will automatically reinstall all USB controllers.
         Check that if at all, there is an exclamation point on the pilot, it suggests problems with the installed driver.

4. Repeat step 2 to uninstall all items under 'USB Bus controllers'.

If you are still having the same problem then you can check the device USB drivers updated using windows update.

Install and update the drivers in Windows 10

Link: http://answers.microsoft.com/en-us/insider/wiki/insider_wintp-insider_devices/how-to-install-and-update-drivers-in-windows-10/a97bbbd1-9973-4d66-9a5b-291300006293

As an additional resource, please refer to the links below and check if it helps.

Install USB 3.0 and other USB devices

http://Windows.Microsoft.com/en-us/Windows-8/install-USB-3-USB-devices

Note: relevant links to 8.1 Windows also applies to Windows 10.

Hope this information was helpful and let us know if you need more assistance. We will be happy to help.

Tags: Windows

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