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How to Fix Any Lenovo Laptop Dim Light Screen on Windows 10

You can also modify the registry editor and change the value of FeatureTestControl to f048 and reboot your computer.

If you are using a Lenovo laptop (yoga or any Lenovo series) and you may experience a very irritating issue with low light (dim screen), the screen of your laptop goes very dim or screen flickering issues on lenovo.

Increase brightness to max and it happens because you may accidentally click a wrong button or key or you may just finish updating your windows operating system.

If brightness of laptop is low it effects your eyes when you see things on screen. But you no need to worry there are some methods or steps that can help you to fix your screen dim light on laptop.

Why Laptop Screen Keeps Dimming

If the laptop screen is dimming and it is due to hardware or software problems you need to replace it with a new lenovo screen LCD and try adjusting brightness of your screen.

In case if it is hardware you have to take your laptop to repair centre or contact for support team. If it is software you can solve on your own by using the below steps.

fix Any Lenovo Laptop Dim Light Screen on Windows 10

Turn off Adaptive Brightness

Some laptops are designed in a way that some sensors are placed and it will check the ambient light in a room. If suddenly light changes in a room then automatically sensors think it changed and it will adjust the brightness of the screen. This feature is called adaptive brightness.

Sometimes it is responsible for the light dim to set the following below steps.

Step 1: First open control panel, go for hardware and sound. In that choose power options.

Step 2: Tap on change plan settings, next go for the current power plan.

Step 3: Now, hit on change advanced settings and expand display, then enable adaptive brightness.

Step 4: And now turn off both battery and plugged in states. Click on Ok.

Update Graphics Driver

If your laptop light is dim then the fault is graphics driver you need to uninstall or reinstall graphics display drivers and you need to update the graphics driver to the latest version or roll back graphic drivers.

But you don’t have any patience, time and skills to deal with drivers. Since it is very time consuming and hard then we recommend to use driver easy. Driver easy will automatically recognize your system and find the correct drive for it.

You don’t need to take risks while downloading and installing the wrong driver, exactly what system your computer is running and no need to worry about making a mistake when installing. You can update drivers with free or pro version Driver easy.

Step 1: Download and install driver easy.

Step 2: Run driver easy software and perform scan by clicking on the scan now button (it will scan your computer and detect your problem driver) and all outdated softwares on your windows 10 laptop.

Step 3: Click on the update button for automatic download of the correct driver easy version.

When Laptop Starting Press Brightness UP Key

Step 1: Completely shutdown your Lenovo laptop. After that, press the power button to start up your laptop. In that, press and hold the brightness up key on the keyboard, which is usually a function key(F1- F12) on your Lenovo Laptop or any other laptop the brightness key may vary..

Step 2: After starting up, you can see the screen of your laptop has been brightened up.

Also Read: 1) How to fix Graphics card not detected in windows 10

2) Windows 10 Black Screen on Startup Fix

3) Windows 10 Blue Screen of Death

4) How to Boot Lenovo Laptop From USB Windows 10

5) How to Enter boot menu in Lenovo Laptops

Modify Registry to Increase Brightness FeatureTestControl

You can change a registry value to solve your dim screen issue. Be sure that registry is very risky, if any misoperation is done it can bring unexpected problems.

Before going ahead we strongly recommend that you backup your registry. Ensure that you need to update your graphics driver before you are going to perform this method.

Step 1: To open the run dialog, press WIN and R keys on your keyboard at same time. After opening, type regedit and click on Enter. Then it will open the Registry editor.

Step 2: In the Registry editor, to navigate the location as below carefully

Step 3: HKEY_LOCAL_MACHINE-> System -> ControlSet001->Control

Step 4: Under Control -> Class\{4d36e968-e325-11ce-bfc1-08002be10318}\0000

Step 5: CLick on 0000 -> On the right hand side pane -> Click on @FeaturetTestControl.

Step 6: After that change data value to F048 and click on Ok.

Finally close the Registry editor. Reboot your laptop and check if the problem resolves or not.

If the above method will not bring your laptop back to normal, then you have to consider the issue with hardware and contact Lenovo official support team. If they offer any further assistance.

Vangari Divya
Vangari Divya
Divya is Content Writer and Author and also Reviews Technology Related Articles and Editorial Expert Team Member at A Savvy Web for more than 5 years.She has a Degree in Bachelor of Technology (Btech) and Master of Technology (Mtech) From Kakatiya University.She has an Expertise in Providing Troubleshooting tips and fixes (solutions) and how to articles and helps to solve issues on Technology Related subjects like iPhone, Android, iOS, Windows, All Smart tv’s and other tech related information.

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