How to check if the display has white point

1. Right click on the blank space to select “Attributes”.

2. In the pop-up properties window, select the desktop option —— select the color (C) option under the desktop option.

3, click on the color, pop-up color dialog box options — & mdash; select several colors for testing.

4, if there is a file on the desktop, it will be hidden, but when you don't want to move, right click on the desktop blank and select - arrange icon - remove the icon showing the desktop, if you want to test it, if you want Recovery will be resumed once again.

5, at the bottom of a taskbar test method: right-click on the taskbar blank to select the property, remove the hook in front of the auto-hide taskbar (U), after the test is finished, just check the checkmark Can be removed.