Restart the computer after its updated and verify brightness control working now. Select the option to automatically search for the updated driver software. Right-click on the Display Adapter listed and click on ‘Update Driver Software. If you see inaccuracies in our content, please report the mistake via this form. Press Windows Key + X key and click Device Manager. If we have made an error or published misleading information, we will correct or clarify the article. Our editors thoroughly review and fact-check every article to ensure that our content meets the highest standards. If the Fn key did not work with the function keys to change the brightness, boot your laptop into BIOS, check if there is a setting in there to switch between Function keys and Action keys. Our goal is to deliver the most accurate information and the most knowledgeable advice possible in order to help you make smarter buying decisions on tech gear and a wide array of products and services. ZDNET's editorial team writes on behalf of you, our reader. Indeed, we follow strict guidelines that ensure our editorial content is never influenced by advertisers. Neither ZDNET nor the author are compensated for these independent reviews. This helps support our work, but does not affect what we cover or how, and it does not affect the price you pay. When you click through from our site to a retailer and buy a product or service, we may earn affiliate commissions. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. If it doesnt work, Press Start then search Device Manager. Once removed, click the Scan for hardware changes icon. Be sure to also check the Remove driver option. Just install the app: 'Lenovo Vantage' from the Microsoft store and youll find the settings there. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. In the Device Manager window, look for Monitors, then right-click your monitor and select Uninstall. After rebooted the laptop, the new panel works fine but the brightness control is still not working.ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. After hot swapped the panel, the new panel doesn't show any light at all. just uninstall the Intel drivers and re install-that restores. Expand Display Adapters and see if the Generic PnP Monitor is accidentally disabled. In the meantime when your display goes dark through no action of your own. Windows is aware of it and is working on a solution. Hi, after using this method, when you reboot the laptop, is the brightness control still working ? The 'Geek Squad' at Best Buy came up with the answer for me-Apparently there is an interface problem with Windows 8 and the Intel video card / software. Thanks again for all the suggestions, I appreciate it. *EDIT* Do not attempt this fix with the laptop running as it is potentially very dangerous, instead swap LCD's only after disconnecting all power sources including battery(Thanks Brett928S2 for advice). Perusahaan kami Berita Hubungan investor Berkelanjutan Kepatuhan produk Keamanan Produk Lenovo Open Source. If anyone is having a similar issue after replacing your LCD screen and you happen to still have the broken LCD panel, give this method a shot and remember to keep the laptop running when putting the working screen back in, just be careful. Tidak dapat menyesuaikan kecerahan setelah pemutakhiran Windows 10. So while the laptop was still powered on, I swapped the working LCD back in and now the brightness control is working properly. Display drivers control several display settings. Click on Brightness, and under it, set Change brightness based on content to Off. Click the System menu on the left, then click Display on the right. Try using the brightness control button on an external keyboard to know if the control keys on your laptop are faulty. Enable BIOS Rollback from within your BIOS settings. If Solution 1 doesnt work, this one always does. I swapped out the working LCD panel with my old broken one and booted up the computer, sure enough I was still able to control the backlight brightness properly, although there was no image I was still able to see the brightness changing. Press Windows + I to open the Settings app. Uninstall Nvidia Driver & Install older version (the version you had before the update) This usually never works for me, but this is the easiest method Ive seen online. Okay so I was able to fix the problem, and in a very odd way.
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