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Display lighting not changing, how to fix brightness on Windows 10

fix brightness on Windows 10
Image Courtesy: Avel Chuklanov (Unsplash)

Changing the brightness on a computer screen is one of the easiest tasks. You can adjust it according to the room’s lighting. That way the display is not too bright or too dim. Given that you can gradually increase or decrease, you can always set the brightness at your desired level. However, even this regular task can be an issue at times. Regardless of how long you press the ‘increase brightness’ key on the keyboard. the screen continues to look dim. Even setting the brightness to 100 per cent, it still looks dark. Many Windows 10 users would have come across this problem.

As a quick fix, people usually charge their laptops to full capacity. If that was the reason, then great, you have solved the glitch. What if that does not help. Then, there is another internal problem in the computer that does not let the method to fix brightness on Windows 10 changes depending on the error. Below is a breakdown of why your personal computer’s brightness may not be working. Along with each one is a way to fix brightness on Windows 10.

Brightness Key Not Working

Say the brightness function key is not working. Then adjust the brightness using the on-screen menu on the monitor screen. For this, follow these simple steps. Click on the ‘Windows’ button. Select the ‘Settings’ menu. Go to ‘System.’ Then, click on the ‘Display’ option from the sidebar. You will see a brightness slider. Some systems show a + and -. You can use this slider or the + and – buttons to decrease or increase brightness as you need. There is also a shortcut to this method. Just select the notification button on the bottom right corner of the screen. Here too you will see the brightness adjustment buttons or scroller. Change the brightness level here itself instead of going to the settings page. 

fix brightness on Windows 10

Problem with the monitor

This is only applicable to people who use a desktop computer. Sometimes the fault can be with the monitor. The LCD panel may be causing the trouble. You can never be sure before testing for it. Here is a way to know. You need another desktop for it. Switch the desktop that you are testing with another monitor screen. Then try changing the brightness. If it does, then the problem is with the computer screen. Now that you have diagnosed, you can change the desktop. There are several monitor screen to choose from. LCD ones are priced at different ranges – as low as $75 and as high as more than $1400. If you prefer to continue using the existing system, you can give it to a technician to fix it. 

Computer Not Updated

The computer’s hardware drivers and software can be out of date. You can use the window update option to ensure that your computer is up-to-date. Here are the steps to do it. Click on ‘Settings.’ Go to ‘Update & Security.’ Press on the ‘Check for updates’ button on the top of the screen. Your computer will list everything you should update. Under it is an ‘Install’ button. Press on it. There is another way to ensure that you update your computer. Click on the ‘View optional updates’ or ‘Advanced options’ hyperlink. Check on all the boxes shown under both software and hardware drivers. Then, select ‘Download and Install.’ To finish updating, select the ‘power’ option on your computer. Then you can choose to update and restart or update and shut down. Depending on what you choose, your computer will shut down or restart after updating. 

Automatic Power Saving Mode

Sometimes the laptop is dimly lighted when the system is not on charge. This is maybe due to the battery being set in power saving mode. Here is how to turn off the power-saving mode. Go to the ‘Settings’ page. Then select the ‘System’ option. On the left sidebar, you will see the ‘battery’ menu. Select it and it will open the battery setting page. Here see if the ‘low screen brightness while in battery saver’ is ticked. If it is, untick it. This only works with your charger unplugged as the checkbox remains unticked when your laptop is charging.

There are times when you will need to use your system for long hours without a charging point. At these times, it is surely advisable to put the device on power saver mode. Leave the battery saver mode on. This can be done by switching the toggle bar to the ‘on’ position. The toggle bar is the same battery settings page, just above the aforementioned checkbox. There is also a drop-down menu that lets you select when you want your personal computer to switch to power-saving mode. If all else fails you can always go to the pre-installed ‘Support’ app on your device. Then raise your query. The support assistant will tell different methods to fix brightness on Windows 10.

fix brightness on Windows 10

Written by Renuka Kennedy

Renuka Kennedy is a journalist and freelance writer. She covers topics including fashion, art, entertainment, technology, luxury and lifestyle features. She has experience working for the digital teams of different publications. She is familiar with writing SEO friendly content. Her works have appeared in #legend, Gafencu, Screen Rant and Republic World. As a journalist, she likes to tell engaging stories. She is particularly passionate about covering sustainability in fashion. She is from Chennai, India and holds a BA in English degree from Stella Maris. She also graduated from The University of Hong Kong with a Masters of Journalism degree.