Windows 10: Multiple colored 'check marks' on screen

does anyone have any ideas what might be causing this on a Lenovo laptop?

:)

 

Window background color - I don't appear to be able to do this on windows 10 as the change color scheme bit isn't there.

Hi Anton,

Thank you for contacting Microsoft Community.

I suggest you to follow the below steps to change color scheme for Windows 10 and check if it helps.

• Right click on “Desktop screen”.
• Then click on “Personalize”.
• Click on “Colors”.
• And change the color accordingly.

Hope this information is helpful and do let us know if you need further assistance. We will be glad to assist.

 

Windows 10 Screen Flashing/inverting colors

Hi,

Since troubleshooting steps were provided, what I can suggest is for you to try to configure the settings on your monitor's color management. Kindly follow the steps provided below:

• Open Color Management by clicking the Start button, and then clicking Control Panel. In the search box, type color management, and then click Color
  Management.
• Click the Advanced tab, and click Change system defaults.
• Click the Advanced tab in the Color Management - System Defaults dialog box, and do one of the following:
  
  - To prevent Windows from loading display calibrations, clear the Use Windows display calibration check box.
• Click Close in the Color Management - System Defaults dialog box.
• Click Close in the Color Management dialog box.

You can also refer to this link for screen flickering troubleshooting.

Let us know how it goes.

 

Screen background color

Hi,





You can try these steps in changing the
Background color:

• 
  Go to
  Settings.
  
• 
  Choose
  Personalization.
  
• 
  On the left-side of the window, select
  Colors.
  
• 
  Then
  Choose a Color.
  

Let us know how it goes.



Regards.