{"id":17676,"date":"2023-08-09T17:00:35","date_gmt":"2023-08-09T11:30:35","guid":{"rendered":"https:\/\/www.systweak.com\/blogs\/?p=17676"},"modified":"2023-08-09T18:37:07","modified_gmt":"2023-08-09T13:07:07","slug":"lenovo-screen-dim-brightness-wont-adjust","status":"publish","type":"post","link":"https:\/\/www.systweak.com\/blogs\/lenovo-screen-dim-brightness-wont-adjust\/","title":{"rendered":"Here&#8217;s Why Your Lenovo Screen Dim Brightness Won&#8217;t Adjust! {Fixes Inside}"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Isn\u2019t it frustrating when you are trying to adjust the dim brightness of your laptop, but the brightness won\u2019t adjust? Several users have complained about the same. Some believe that it is a hardware issue with the display panel, while others think of it as a software bug. Either way, no one knows how to fix the error.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\">Well, that is where this post steps up! In this blog, let\u2019s try to identify the causes of Lenovo laptop screen dim issues and how you can get rid of them.<\/p>\n<h3 style=\"text-align: justify;\">What Causes Lenovo Laptop Screen Dim Issue?<\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Well, multiple factors contribute to the error. You can never rule out the possibility of a hardware malfunction, but blaming the panel completely might not be an ideal approach.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">The dim brightness of any Windows PC screen can result from malfunctioned configuration and faulty software. Some of the reasons why you are facing issues with adjusting the brightness of your screen can be &#8211;\u00a0<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Faulty registry values\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.systweak.com\/blogs\/fix-display-or-monitor-issue-with-lenovo-pc\/\" target=\"_blank\" rel=\"noopener\">Display driver issues<\/a>\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Brightness control error<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hardware problems.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">So far, these 4 factors have been identified as potential issues by the users. The issue is severe considering there are multiple discussions running on Lenovo\u2019s forum. Many users have brought the dim brightness issue to light (pun intended).<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-17678 aligncenter\" src=\"https:\/\/cdn.systweak.com\/content\/wp\/bg_systweak_com\/uploads\/2023\/08\/discussions-on-Lenovos-forum.png\" alt=\"discussions on Lenovo\u2019s forum regard dim light issue\" width=\"1263\" height=\"609\" sizes=\"(max-width: 1263px) 100vw, 1263px\" \/><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">You can find the <\/span><a href=\"https:\/\/forums.lenovo.com\/t5\/Lenovo-P-Y-and-Z-series-Notebooks-Knowledge-Base\/P500-Screen-goes-very-dim-and-not-able-to-adjust-brightness-level\/m-p\/1252089\"><span style=\"font-weight: 400;\">entire thread here<\/span><\/a><span style=\"font-weight: 400;\"> to learn more about the discussion.<\/span><\/p>\n<h2 style=\"text-align: justify;\">How to Fix the Lenovo Screen Brightness Dim Issue?<\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Considering the issue that may be bothering your system, we have a few basic fixes that you can try. However, before we jump into the fixes, make sure that &#8211;\u00a0<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Completely charge your laptop or connect it to a power source. This ensures that the dim brightness is not due to a lack of power.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">While using an external monitor ensure the Lenovo monitor brightness is not locked mistakenly. If that is the case, using the available brightness hotkeys won\u2019t work, and you will be stuck with the dim brightness on your screen. <\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The keyboard you are using is functional and there are no issues. If the keys are not working correctly, adjusting the brightness may be difficult.\u00a0<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">When all the above-mentioned points are OK on your PC, try the following fixes, as they may help.\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\">Fix 1 &#8211; Update the Display Drivers<\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">The first thing you should do is update your display drivers. These are your graphics drivers, also known as display adapters. These are the components responsible for your display.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">To update these drivers, you have two options &#8211;\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">1. Open the Device Manager\u2192 Go to the Display Adpaters\u2192 Choose the graphics driver you want to update\u2192 Right-click on it t find the update driver option.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-14670 aligncenter\" src=\"https:\/\/cdn.systweak.com\/content\/wp\/bg_systweak_com\/uploads\/2023\/04\/found-graphics-driver-under-display-adapters.png\" alt=\"found graphics driver under display adapters\" width=\"480\" height=\"230\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">OR<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">2. Download Advanced Driver Updater\u2192 Run a Quick Scan\u2192 Click on Update All to update outdated drivers in minutes.<br \/>\n<\/span><\/p>\n<div class=\"download_buttons_section\"><p style=\"text-align: justify;display:none;\" class=\"downloadnow-btn-show os-windows\" data-eventsource=\"DownloadNow_post_button\"><a data-param=\"systweakblog,wp_json\/wp\/v2\/posts\/17676,pos-1,135\" data-operation=\"iframe\" class=\"ds-download-link \" rel=\"nofollow\" href=\"https:\/\/www.systweak.com\/blogs\/download-product\/adu\/w\/17676\/1\" onclick=\"gtag('event', 'ProductDownloadSysBlog', { 'event_label' :'lenovo-screen-dim-brightness-wont-adjust', 'event_category':'windows-1' });\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full\" src=\"https:\/\/bg.systweak.com\/blogs\/wp-content\/plugins\/download-button-shortcode-new\/images\/window_btn.png\" alt=\"download\" width=\"250\" height=\"65\"><\/a><\/p><\/div>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-14768 aligncenter\" src=\"https:\/\/cdn.systweak.com\/content\/wp\/bg_systweak_com\/uploads\/2023\/04\/start-scan-using-advanced-driver-updater-1.png\" alt=\"start scan using advanced driver updater\" width=\"959\" height=\"744\" sizes=\"(max-width: 959px) 100vw, 959px\" \/><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Option 2 appears to be a better and easier choice considering it does the job much faster and better. The first option becomes a lengthy process if you have more than one driver to update at a time.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Download the Advanced Driver Updater today and instantly fix the Lenovo dim brightness issues!<\/span><\/p>\n<p>Learn <a href=\"https:\/\/www.systweak.com\/blogs\/advanced-driver-updater-review\/\" target=\"_blank\" rel=\"noopener\">Detailed analysis<\/a><\/p>\n<h3 style=\"text-align: justify;\">Fix 2 &#8211; Use the Brightness Up Key While Booting Up<\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">If you are struggling with adjusting the brightness of your PC, here is a quick fix you can try.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Step 1 &#8211; Press the power button of your laptop for 10 seconds to shut it down completely.<br \/>\n<\/span><span style=\"font-weight: 400;\">Step 2 &#8211; Start the PC again by using the power key.<br \/>\n<\/span><span style=\"font-weight: 400;\">Step 3 &#8211; When the PC boots up, press and hold the brightness up button<br \/>\n<\/span><span style=\"font-weight: 400;\">Step 4 &#8211; Keep holding the button unless the PC boots up completely.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">You may observe that the brightness is now better on the screen and is no more dim. This will also unlock your brightness toggle if there is any issue.\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\">Fix 3 &#8211; Change Registry Values (Advanced)<\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Though it is a sure-shot fix for the dim brightness issue in Lenovo laptops, it is recommended that you only perform it if you are fluent with the PC. That is because registries are system components, and you should never play around with them unless you have the knowledge. Make sure you follow the below steps correctly and with due diligence.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Step 1 &#8211; Press Win + R to bring up the Run search utility.<br \/>\n<\/span><span style=\"font-weight: 400;\">Step 2 &#8211; Use the command Regedit to open the registry editor on Windows.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-13995 aligncenter\" src=\"https:\/\/cdn.systweak.com\/content\/wp\/bg_systweak_com\/uploads\/2023\/03\/use-command-regedit-in-run-search-bar.png\" alt=\"use command regedit in run search bar\" width=\"451\" height=\"269\" sizes=\"(max-width: 451px) 100vw, 451px\" \/><br \/>\n<span style=\"font-weight: 400;\">Step 3 &#8211; In the registry editor, use the address bar and navigate to the following registry address &#8211;\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><i><span style=\"font-weight: 400;\">HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Class\\{4d36e968-e325-11ce-bfc1-08002be10318}\\0000<\/span><\/i><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-17679 aligncenter\" src=\"https:\/\/cdn.systweak.com\/content\/wp\/bg_systweak_com\/uploads\/2023\/08\/registry-editor-address.png\" alt=\"registry editor address\" width=\"996\" height=\"725\" sizes=\"(max-width: 996px) 100vw, 996px\" \/><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Step 4 &#8211; Find the file FeatureTestControl in the registry list and double-click on it to edit.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-17681 aligncenter\" src=\"https:\/\/cdn.systweak.com\/content\/wp\/bg_systweak_com\/uploads\/2023\/08\/FeatureTestControl-file-in-registry-list.png\" alt=\"FeatureTestControl file in registry list\" width=\"842\" height=\"428\" sizes=\"(max-width: 842px) 100vw, 842px\" \/><br \/>\n<span style=\"font-weight: 400;\">Step 5 &#8211; In the opened editor, change the value to F048 and save.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-17682 aligncenter\" src=\"https:\/\/cdn.systweak.com\/content\/wp\/bg_systweak_com\/uploads\/2023\/08\/change-value-in-editor.png\" alt=\"change value in editor\" width=\"428\" height=\"236\" sizes=\"(max-width: 428px) 100vw, 428px\" \/><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Once you have made the changes, restart your computer and check if the brightness is working again. This should do the job for you as it is a tried and tested method, just like others.\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\">Say Bye-Bye To Dim Brightness Won\u2019t Adjust Issues on Lenovo Laptop!<\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">These are the ultimate fixes you can try to fix the brightness issues on your Lenovo devices. Remember that updating your drivers is the most effective and easiest way to get results. Hence download the Advanced Driver Updater on priority.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Also, taking care while updating registry values as a single here and there can cause more issues on your PC.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">If you find this helpful, consider leaving a comment, as it will help other readers understand the effectiveness of these fixes. You can also follow us on our socials for more such troubleshooting content.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Thanks for reading. Good luck!<\/span><\/p>\n<p><strong>Recommended :<\/strong><\/p>\n<p><a href=\"https:\/\/www.systweak.com\/blogs\/lenovo-function-keys-not-working\/\" target=\"_blank\" rel=\"noopener\">Lenovo Function Keys Not Working \u2013 Quick Fixes<\/a><br \/>\n<a href=\"https:\/\/www.systweak.com\/blogs\/lenovo-integrated-camera-not-working\/\" target=\"_blank\" rel=\"noopener\">Fixed- Lenovo Integrated Camera Not Working With Windows<\/a><br \/>\n<a href=\"https:\/\/www.systweak.com\/blogs\/fix-black-screen-on-lenovo-thinkpad-e15-windows-pc\/\" target=\"_blank\" rel=\"noopener\">Fix Black Screen on Lenovo ThinkPad e15 Windows PC<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Isn\u2019t it frustrating when you are trying to adjust the dim brightness of your laptop, but the brightness won\u2019t adjust? Several users have complained about the same. Some believe that it is a hardware issue with the display panel, while others think of it as a software bug. Either way, no one knows how to&hellip; <a class=\"more-link\" href=\"https:\/\/www.systweak.com\/blogs\/lenovo-screen-dim-brightness-wont-adjust\/\">Continue reading <span class=\"screen-reader-text\">Here&#8217;s Why Your Lenovo Screen Dim Brightness Won&#8217;t Adjust! {Fixes Inside}<\/span><\/a><\/p>\n","protected":false},"author":8,"featured_media":17684,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-17676","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-driver-updater","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3-RC2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Here&#039;s Why Your Lenovo Screen Dim Brightness Won&#039;t Adjust!<\/title>\n<meta name=\"description\" content=\"There are three ways you can fix Lenovo screen dim brightness issues - 1. 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