You can turn off blue light on a Mac by enabling the Night Shift feature in your System Preferences.
If your PC turns on and the fans spin up, but nothing is displayed on the screen, there's a problem that needs fixing. It might be one of the more common ones and be relatively easy to fix, or it may ...
You can turn off Narrator on Windows 10 or turn it on through the Settings app and a keyboard shortcut. Here's how to do it.
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