Most laptops have at least one Control (CTRL) key, and standard PCs usually have two. These keys are used to optimize the other keys on your keyboard by giving them additional functions, such as copying and pasting text. When one or both of these keys stop working, it can be quite annoying, especially for using some computer shortcuts. This article will walk you through how to repair the problem and can be used on computers running a range of OS devices, including Windows 7.
To fix this issue, the steps are quite simple. On your keyboard, locate and press the ALT + ctrl + fn keys. This should repair the problem.
If this doesn't work, double-check that the keys themselves aren't clogged with dust or other dirt by cleaning out your keyboard with a specialised keyboard cleaner. Use the steps outlined in this article to correctly clean your keyboard.
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