Turn high contrast mode on or off in Windows
- Select the Start button, then select Settings > Ease of Access > High contrast.
- Turn on the toggle under Turn on high contrast. ...
- To turn off high contrast mode, switch off the toggle under Turn on high contrast.
Why can't I turn off high contrast mode?
Restart the System and Sign In as an Administrator
Once the system boots up, sign in as an administrator and check if the high contrast theme is still active. Now, use the Left Alt + Left Shift + Print Screen hotkey to disable the high contrast mode.