Uninstall and reinstall the device drivers
If no exclamation point appears next to the name of the device and the device does not function correctly, manually uninstall and reinstall the device drivers. To do this, follow these steps:
Click Start windows icon, type Device Manager in the Start Search box, and then press ENTER.
Click Continue. The Device Manager dialog box is displayed.
Notice icon
If you are prompted for an administrator password or for a confirmation, type the password, or click Continue.
In the list of device types, click the kind of device, and then locate the specific device that is not functioning.
Right-click the device, and then click Properties.
Click the Driver tab.
Click Uninstall.
Click OK.
In the Device Manager dialog box, click the Action menu, and then click Scan for hardware changes.
Regards,
Caleb