How to Reduce Screen Brightness in Windows 7 (2020)

A regular laptop computer user knows how many times one needs to change the brightness of their computer screen because of numerous factors like ambient lighting and battery life.

For instance, when you are working where there are bright sun rays shining, you need to increase the brightness to the maximum so that you can see something on the screen while at night if you are working in a dark space, low brightness is required because you don’t want to damage your eyes.

You may or may not be surprised by the fact that anyone can change their screen brightness in their Windows 7 PC both manually as well as automatically.

In Windows nowadays the brightness of your device can be changed based on the level of battery remaining in your device, as well as by determining the ambient light using the light sensors in the modern devices.

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All in all, there are numerous ways in which you can change the brightness levels in your latest Windows 7 devices, this article will focus on both manual and automatic ways of changing the brightness level in your Windows 7 computer.

1. Changing the Brightness Levels Manually

a) Using Shortcut Keys

Almost all the computer makers provide shortcut keys on your keyboard that quickly change the brightness of your device by pressing just a couple of keys.

Mostly these keys are located in the function keys between F1 and F12 usually given on the top of your keyboard.

To determine the keys, there is a sun logo printed on the function key that specifies brightness levels.

It is only obvious that because these are function keys, you’ll have to also press the function button with them to increase or decrease the level of brightness.

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So once you have located the keys used for brightness adjustment, look for the key marked “fn”, this is the function key which is usually located near the Ctrl, Alt and Windows/Start Menu keys and is usually present to the left of the space bar. Just press the function button with the corresponding function key.

In case you have an older model that doesn’t have the brightness buttons on the keyboard, no need to worry because you can always change the brightness of your screen from within the Windows Control Panel just like the old times.

b) Using the Windows Mobility Center

Windows Control Panel isn’t the only way to change the screen brightness in your device, you can also change the brightness of your device screen in Windows 7 using the Windows Mobility Center.

You can launch the windows mobility center in Windows 7 by pressing the Windows key and X and then sliding the slider given under the “Display Brightness”.

Note: In order to change the brightness of an external screen connected to your laptop, you’ll need to take the help of the monitor buttons that are usually given under or on the side of the external display monitor.

Video: Different Ways to Adjust Screen Brightness on Windows 7

2. Changing the Brightness Level of your device automatically

In this modern information day and age, everything is getting automated, including even the simplest and smallest of processes like changing the screen brightness in your Computer. Below given are some automated ways in which you can program your windows to change the brightness according to varying external settings.

a) Change brightness when you are plugged in

You can always set different brightness levels depending on whether your laptop is plugged in or not. For instance, you can set a higher brightness level when your laptop is plugged into the charger while decreasing the brightness level when it is on battery power.

Select different brightness levels based on the options of “On Battery” and “Plugged in” that are mentioned under “Adjust Plan Brightness” in the Control Panel. This way you can plan different screen brightness based on whether your laptop is plugged in or not.

b) Change Brightness according to remaining battery life

You can change the brightness to lower when your device enters the battery saver mode. Although you cannot determine on what level the brightness of your screen will be at when the battery saver kicks in, you can always set the percentage of battery at which the battery saver kicks in.

Usually, it is 20% by default for all versions of the windows. So to do this, go to the Battery in settings and select “Lower Screen Brightness when in Battery Saver”.

c) Change the Brightness using Adaptive Brightness

Numerous modern-day laptops have been launched with an Adaptive Brightness feature similar to the one in smartphones and tablets. Windows can also use this adaptive brightness sensor for its adaptive brightness feature to set the backlight depending on the ambient light in your surroundings.

Although it seems convenient, it can also come in the way because it may decrease or increase the level of brightness in your device even when you don’t want it to. You might want to try this feature but there is no guarantee that you won’t be tempted to shift to manual again.

Note: Adaptive Sensor is only available in Windows 7 Professional, Ultimate and Enterprise editions only.

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