Start Device Manager.
For detailed instructions and older operating systems, refer to Opening Windows Device Manager.
The following devices are normally installed:
Depending upon the selected USB connection (e.g. Charging, Power supply, File transfers, USB debugging), some of the devices may not appear.
If a red X, yellow ! or yellow ? is displayed to the left of a listed device, a conflict is present and the drivers must be updated or reinstalled.
Driver conflicts may also be indicated by a device entry labeled Other Devices or Unknown.
If a conflict is present: