How to solve the XP device manager whitening

Sometimes the operation error will make the xp device manager white, so how to recover it. This article describes how to resolve XP Device Manager to become blank.
1. First click "Start - Run" to open the run input box and enter "services.msc" and press "OK" button; as shown below:
2. Open "Service" and find "Plug And" on the right Play" right click to select "Properties"; as shown below:
3. In the window that opens, select the "General" tab, find the startup type, and change it to "Automatic"; as shown below:
4. Finally, we will reopen the "Device Manager" to see the original blank disappeared; as shown below: