The problem arises when we don't know the size of our laptop and end up buying something too big or small that we don't need to protect it.
Also, knowing a notebook's screen size can help you know if it will be useful for the work you want to do on it. This without neglecting, knowing the technical specifications and tools at your disposal.
How to know how many inches is my laptop screen step by step
Before starting, you should know that these types of computers have screens ranging from 10 inches or 25,4 cm to 18 inches, that is, 46 cm, although this will depend on the model and brand.
To get started, you need to have a metric c inta and a unit converter or calculator to manually change the unit by multiplying 2,54 by the number of inches on your laptop.
Remember to turn off your laptop and open it at an angle of 90º (ninety degrees) to be able to do it easily and without problems.
We recommend using a tape measure to measure it because they are soft and smooth, so you wouldn't run the risk of damaging it if you do it with something stiffer.
You have to find a point to start measuring. Note that is calculated by measuring diagonally. So we recommend that you start in the lower or upper right or left corner of the screen.
Now extend the tape measure from the starting point to the opposite corner. Here you have to measure the screen avoiding taking it from the frame of it, as this does not count as inches.
Finally you have to do the unit passage as we said at the beginning:
laptop cm x 2,54 = inches of your screen
When you have done this, you will be able to know the number of inches your laptop has.
How to calculate the pixel density of my Windows or Mac laptop screen
The first thing to do is know the graphic density or PPi. It is directly related to the size of your computer's visor, because the larger the screen, the better the graphics resolution you will have.
To do this, start by entering the system configuration. From there, enter the screen option.
In this section, look for the Advanced settings screen. In the Screen Resolution section, click the down arrow to select Maximum supported by your equipment.
It will give you the information as follows:
No. of width X No. of height of the screen.
With these data we will proceed to perform some calculations. We recommend using a calculator for this, because no matter how good you are at math, they are big numbers.
You must add both numbers not without first raising them to the second power. That means
(Width ²) + (Height ²) = obtained value
Next, you need to extract the square root of this sum. Save this result for later:
obtained value = value 2
Now you need to take a tape measure and measure the screen size of your Mac or Windows laptop diagonally as we did in the previous section. But you shouldn't change it to inches, you will need this number in centimeters.
Finally, divide the value obtained after taking the square root of the sum of the pixels and by the number of centimeters in the previous paragraph:
handset cm / value 2
The result will be the pixel density of the tuo laptop.
It is also useful to know the refresh rate of a monitor to know how smooth the image isTagsTutorial PC
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