However, they are not always according to your needs and requirements.
Let us look deep into the display configs and give a shot to understand how the display works.
What is DPI?

DPI, or Dots per Inch, is pretty easy to understand, as the name gives it away.
It is the number of dots, or pixels, in a square-inch on your screen.
Since each pixel gives out its own color, you would achieve greater focus and sharpness with higher DPI.

Unfortunately, this setting cannot be controlled through Windows controls directly.
Nonetheless, it is important to understand this term for fully comprehend the next one.
What is the resolution?

This is because it illustrates the length and width of the screen in pixels.
These two can be multiplied to get the total number of pixels on a screen.
Resolution is often confused with the size of the image.

The resolution controls do have an effect on the size, but that is not entirely the case.
An example has been given below.
Whereas only the pixels on the display screen increased.

What is scaling?
It provides accessibility to the users by not making them strain themselves while looking at the screen.
Sometimes the old display devices do not support the set resolution tweaks, thus they stop displaying entirely.

On the next screen, underCustom scaling, enter a percentage for magnification, and then clickApply.
Also check out:rotate Windows screen using keyboard shortcuts.
Customized controls can save you from daily struggles, especially if you have impaired vision.

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source: www.itechtics.com