Lenovo external monitor blinking on and off. Immediately and repeatedly press F2 or (Fn+F2).
Lenovo external monitor blinking on and off Monitors Periodically Blinking/Blanking Off using Dell Laptop, Docking Station, Dual Monitors Problem: Every so often one or both of my external monitors will go blank. May 2, 2024 · If your second monitor keeps flickering and flashing randomly in Windows 11/10, try the workarounds in this guide. Struggling with Lenovo laptop display issues? Learn proven fixes from driver updates to hardware repair including model specific tips. Clearly, a flickering computer monitor can be very annoying, but it doesn’t always signify the end of the monitor’s life. Consider that the problem occurs with both windows and ubuntu and that my laptop has an HDMI port and a usb C- display port. Sep 19, 2022 · When your Lenovo monitor keeps flicking on and off, try either manually or automatically updating the drivers for your chipset and video card. Then, based on that information, you'll need to update, rollback, or uninstall your display driver or update or uninstall the app. Fix Lenovo Thinkpad Laptop Screen Display Blinks ONCE Plugged In/Out (Windows 10/11) In this video tutorial, you will learn how to fix Lenovo ThinkPad laptops screen blinking once issue when the Apr 17, 2025 · If your Webcam keeps turning off and on again on Windows 11/10, one of these proven fixes is sure to help you stop webcam from flickering. Sometimes it starts blinking at random. Kind of similar to how monitors will blink when you first connect a new display to a running computer or change the resolution. Hey, I am having this weird issue with a new monitor I got where if I plug in the monitor to the USB-C monitor ports for the docking station, then my display connects but it doesn't display correctly. com External screen flickering or blinking when connected by VGA port - ThinkPad External screen flickering or blinking when connected by VGA port - ThinkPad E550 Is this also flickering while connected to an external monitor? Is this also flickering on the BIOS page? To enter BIOS via the function key: Turn the PC on. Changing the CPU’s battery is a tried-and-tested solution to the problem. Have a large number of these docks to deploy along with ThinkPad X1's (laptops are great). Welcome to Lenovo and Motorola community. Jan 5, 2022 · I tried changing my displayport cable, unpluging it, turning on and off the monitor, changing windows display settings and changing monitor settings. The display is not working. Thanks in advance. I'm not sure Dec 9, 2022 · I have a Lenovo laptop running Windows 11 with 2 external monitors. After several hours of usage (or just being left on for several hours), the display starts flickering. Second Monitor Flickering on and off on Windows 11 PC [Solution]Users understand how multiple displays make your life easier. If your Dell laptop screen keeps flickering, you can try them. We made sure firmware is updated and have gone through standard trouble shooting, however the issue seems to persist. But I can see it is enabled as "secondary display" Just pasting Xorg logs : Dec 12, 2019 · This is what I found out about your issue hope it helps. Applicable Brands ThinkPad ThinkBook Applicable Systems Applicable on following Intel and AMD generations: Intel TigerLake CPU (11th gen) or later Welcome to Lenovo and Motorola community. If the external display works fine without any blinking, then the issue is likely with the Thinkpad’s internal display or its connections. Check Power Check for Logo or BIOS screen Check Cables Check the Monitor Settings Check Display Settings Update or Roll Back Drivers Try Different Applications Try the following Microsoft links for flickering issues in Windows Get Support or Welcome to Lenovo and Motorola community. You're not alone, and this problem can often be resolved with a few simple troubleshooting steps. 0, after a few hours of use they will blink off and back on again. Follow these tips to resolve display issues. After that didn't help I tried the graphics drivers from the Intel site, also no improvement. NOTE: You may have to press an "external monitor" button. How often should I replace my computer monitor to avoid screen flickering? There isn't a set time frame for replacing monitors as it depends on how frequently you use it and its quality; however, most monitors last between 3-7 years before developing faults such as intermittent blinking due to old age and wear-and-tear factors. Try different cables, or different type of TP-to-monitor connection altogether (DP vs HDMI). Apr 25, 2020 · The flashing/blinking problem seems somewhat random, but it can be "reset" by turning the monitor off for 10-15 seconds and then turning it back on. Also of note, I bounce between home and office, and the same dock but different monitors show the same issue. They didn’t have the problem with the prior laptop but it was time for a tech refresh Basically, I am running a triple monitor setup, where 1 is connected through Thunderbolt, 1 through Displayport and the flickering one through HDMI. Jun 2, 2023 · Besides this, complications with the GPU itself and its drivers or cables connecting the GPU and monitor can also cause your monitor to blink on and off. It can be an hour or more between or it can happen a few times in a row within the space of one minute. All driver updates have been made with the help of Vantage. For more, select any of the following headings, and it'll is your dell monitor blinking on and off? learn 8 effective ways to fix the issue with our comprehensive guide and prevent further disruptions. Symptom The LCD flickers when plugging or unplugging the AC power adapter. Check to make sure cables are plugged in all the way. It may do this every 2 seconds or a couple times a day. It describes functionality of ThinkPad Charger LED Diagnostic, including the blinking pattern and related recommended repair action. I'm having issues with the Thunderbolt 3 Gen 2 Dock and a dual 1440p monitor setup with my T14. How can I stop this? Troubleshooting Screen Flickering on Lenovo Laptops Updated 2024-11-18 If you own a Lenovo laptop and are facing issues with a flickering screen, you're not alone. The failure symptom improves if the user turns off the monitor for a couple of minutes then turns on again. How to identify the blink pattern even for colorblindness persons. Turn on the laptop. If your monitor blinks, your computer is switching display modes automatically. When connecting two monitors to a M720q Tiny PC, there are problems. Try using a different monitor to check this theory. Here is what I tried to Second Monitor Flickering on and off on Windows 11 PC [Solution]Users understand how multiple displays make your life easier. Flickering or blinking will occur on an external monitor when using a dock between the ThinkPad or ThinkBook and the monitor. Jan 3, 2023 · All devices are up to date. Try connecting the monitor to a different PC, if more than one is available. Jan 21, 2025 · Power Supply: An unstable power supply can create fluctuations that result in a flickering monitor. See Troubleshoot screen flickering in Windows 10 for details about uninstalling a driver. These visual interruptions typically resolve automatically within seconds. Sep 26, 2024 · If your Dell monitor is flickering or blinking, it can be both annoying and disruptive. This article provides a solution for resolving External Monitor Flickering issue when connected to Dock using DP/HDMI Jan 21, 2022 · However, the external monitor flickering on and off has been happening more often and may even happen when I'm not playing any games after playing long gaming sessions. Apr 8, 2021 · Starting yesterday and getting intermittently worse the longer I use it, occasionally my second monitor will turn off, it will read ‘no signal,’ then flash back on. Applicable Brands ThinkPad Applicable Systems ThinkPad E550 ThinkPad E560 ThinkPad T450 ThinkPad T450s System Is Configured With VGA port Limitations This is a DisplayPort-VGA design limitation. Learn more Is your second monitor flickering, flashing, or randomly turning on and off on your Windows 10 or 11 PC? May 19, 2025 · Several Lenovo WIN 11 Intel CPU models, laptop model 21MN00AHUS connected to the Thunderbolt 4 docking station with the proper monitor (mixture of HDMI and DP) and charging cables are blinkinging sporadically throughout the day their dual monitors (Acers, AOC, Viewsonic). Reseat a Loose Monitor Cable Monitor cables can be loose if they weren't inserted properly the first time. They work fine enough, but we have been having a consistent issue with these docks where a monitor connected to the top DP port on a 40B0 Thunderbolt 4 docking station flickers black to the point of it being unusable. The problem is, whenever I wake my computer up after displays have gone off (I We would like to show you a description here but the site won’t allow us. See Troubleshoot screen flickering in Windows 10 or 11 for details about uninstalling a driver. To be more specific, every few seconds, the monitor flashes the duplicated screen, but then turns black. Why does a monitor flicker: quick look There are a number of different reasons why your monitor might be flickering or blinking – most of which are easy to fix. As you can see on this video, the second VGA external screen is flickering around every 1-2 seconds. One time the screen started flickering really bad on a particular wallpaper. Monitor: Lenovo Legion y25-25 ips 240hz Source: Lenovo legion 5 R5 rtx 3060 port HDMI to HDMI Config in nvidia control panel: 1920x1080 240hz Normal use as youtube browser document no problem. go black) which can change in frequency, from multiple times per hour to few times per day, however when remoted on or they're sharing their screen, the screen still displays fine and there is no disconnect sound being experienced. Applicable Brands ThinkPad ThinkBook Applicable Systems Applicable on following Intel and AMD generations: Intel TigerLake CPU (11th gen) or later Flickering or blinking will occur on an external monitor when using a dock between the ThinkPad or ThinkBook and the monitor. Feb 2, 2022 · If you change resolution and/or refresh rate on affected monitor does it change behavior? If you disconnect one of the other monitors does it still flicker? Put a game on flickering monitor and use Windows Game Bar to record it (about 1 min is enough). Mar 7, 2020 · It sounds like the display to me, but you can try the following Turn the laptop off (not sleep or hibernate but off). How do I clean my Lenovo monitor safely without damaging it? Cleaning your Lenovo monitor can enhance picture clarity, but it’s important to do it safely to avoid damage. Applicable Brands ThinkPad ThinkBook Applicable Systems Applicable on following Intel and AMD generations: Intel TigerLake CPU (11th gen) or later Lenovo TB4 40B0 Dock issues (Display Port flickering on and off) Hi All, just trying my luck while I go back and forth with Lenovo support collecting logs. One benefit of using multiple d Jan 5, 2022 · I tried changing my displayport cable, unpluging it, turning on and off the monitor, changing windows display settings and changing monitor settings. Maximize your productivity Get 10% OFF on Lenovo Services Apply REMOTE10 coupon on check out Aug 29, 2022 · In the meantime rebooted, re-awoke computer using only the external monitor (laptop closed) and it seems stable for now. 10 on my Lenovo X1C (gen 7), I tried to hook it up via USB-C/Thunderbolt to my LG monitor. Then restart the device. Applicable Brands ThinkPad ThinkBook Applicable Systems Applicable on following Intel and AMD generations: Intel TigerLake CPU (11th gen) or later Jan 6, 2023 · How to fix Lenovo Laptop Dock Monitor Blinking/Flickering The organization I work for uses Lenovo Thinkpads and we purchased Lenovo USB C docks for those laptops and on the two of the new Gen 11 Intel laptops and on the Gen 8 Intel laptop using three separate Lenovo ThinkPad USB C Docks specifically the Type 40A9 and Type 40AY. The flickering problem seems to occur when I am using the Laptop screen and an external monitor. Jan 7, 2024 · If the screen of your Lenovo laptop flickers or blinks very often, you can read this article and learn how to tackle this disturbing issue. I decided to discover why my Lenovo monitor wouldn’t turn on and how I could fix it. May 7, 2025 · Test with external display: Connect your Thinkpad to an external monitor or TV using the HDMI or VGA port. Users are reporting that thier monitors will "flicker" several times a day. Generally it is the monitor on the HDMI input, though on some does it on both HDMI and DP. If you're not sure of the exact cause, try these common solutions to troubleshoot and fix the problem, whether you're using a laptop or a desktop. Flickering screens can be caused by a variety of factors, ranging from simple connection issues to more complex hardware failures. Is your monitor randomly turning off or flashing on and off without any clear reason? Don’t worry you’re not the only one facing this frustrating issue! Want to upgrade? The battery-charge LED indicator (hereafter referred to as LED indicator) blinks to help you diagnose and solve some computer problems. I also had a previous Dell laptop on a TB 3 dock, with Windows 10 and two different monitors, and this issue was present there. Select Advanced and scroll Display flickering on dock monitor - ThinkPad USB-C Dock Make sure the original AC adaptor and cord connectors are securely attached. I took it all back to Bestbuy twice (all of it, monitor, cable, laptop, adapters; all of it). Aug 5, 2022 · Symptom When connecting a ThinkPad or ThinkBook to an external monitor through DP or HDMI cables, the monitor may experience intermittent flickering or temporary blackouts. Here’s a comprehensive guide to help you troubleshoot and potentially resolve this problem. Jul 15, 2024 · While I was preparing to turn on my monitor, it dawned on me that my Lenovo monitor wasn’t powering up. All products, including but not limited to Jul 31, 2018 · Via the dock, I connect first monitor one through DisplayPort (via VGA adaptator) and second one through VGA. . Resolved Not resolved Symptom When connecting a ThinkPad or ThinkBook to an external monitor through DP or HDMI cables, the monitor may experience intermittent flickering or temporary blackouts. It seems like something is overheating. Aug 12, 2022 · The reason why your Lenovo monitor is blinking a red light is because of a faulty battery or the fact that the monitor is low power. Open a Microsoft Office application such as Microsoft Word. For more information, see How to connect to an external monitor - ThinkPad - Windows 10, 11. Any physical damage to the monitor or monitor is faulty on arrival may be why your monitor keeps turning off. Despite several tries of pushing the power button and ensuring it was correctly plugged in, my frustration grew. Jan 5, 2017 · Problem is that issue number one: External monitor(s) connected to any of the display ports on the dock may have their display go blank during use and will not automatically return. In Windows, download and install the latest chipset and display driver from Lenovo support website. having trouble with your second monitor flickering on and off? check out these 5 easy fixes to get your display working smoothly again. Dec 12, 2022 · If your external display doesn't turn on after you connect it to your Mac, connect your display while your Mac is off, then wake or turn on your Mac. I have a ThinkPad T14s with Intel Core i7-1165G7 processor and a Lenovo G34w-10 external display. Applicable Brands ThinkPad ThinkBook Applicable Systems Applicable on following Intel and AMD generations: Intel TigerLake CPU (11th gen) or later Symptom The monitor flickers when using a dock, and the Hardware Graphics Acceleration option is enabled in Microsoft Office. We recently replaced their laptop. When your monitor isn’t working, the issue is a failure in the power cables, display cables, or video card. the screen Our org uses Lenovo laptops and Lenovo Thunderbolt 4 and 3 docking stations. Monitor cables were also replaced, refresh rate was set to 60hz We have a number of Lenovo Thunderbolt Docks (Gen 3 / Gen 4) having intermittent monitor flickering issues. Please enable it to continue. Aug 21, 2024 · With that in mind, we’ll be going over some of the most common causes of monitor flicker below – starting with the most common and finishing with the most obscure. When I changed it, the problem was resolved. If I attached them via DisplayPort, one of them would flicker every few seconds. My computer screen repeatedly flickers on and off, but the monitors never turn back on. Doing a fresh install, seemed to work until Windows update started to update (I don't know if this is a coincidence). If you can see fine on the Symptom When connecting a ThinkPad or ThinkBook to an external monitor through DP or HDMI cables, the monitor may experience intermittent flickering or temporary blackouts. I have the same problem too (T480s, 2K Display), but with both monitors. Select Advanced and Mar 12, 2025 · my new windows 11 PC switches one of my monitors off for 1-2 seconds every few minutes. Dec 2, 2024 · This post offers 6 ways to fix the Windows 10 flashing screen Dell issue. By understanding the possible causes and following the troubleshooting steps provided in this article, users can effectively address and resolve the blinking issue without unnecessary frustration and inconvenience. Flickering of our external monitors vanished after disabling DSC. also, i have since hooked up an external 1440p monitor to test if g sync works over usb-c to display port (it does), and there is no flickering on the monitor. Once the monitors turn off for inactivity (sleep is disabled), or I reboot, the problem returns. It was working fine for quite long time. I have installed the recommended Lenovo drivers (Monitor and Intel UHD Drivers) but no luck : ( I think it is the hardware issue. now suddenly the monitor which is connected using docking station is having some problem. 2. Turn on the external monitor. I have a thinkpad laptop with external monitor connected. sometimes for a few seconds, sometimes for a couple of minutes. Audio tracks for some languages were automatically generated. Flickering can be caused by various reasons, such as software issues, hardware Learn some common causes and solutions for monitor flickering or ghosting, and how to diagnose and fix them with our hardware diagnostics guide. The monitor's connection is made using a DP or HDMI cable. While access game external monitor go flicker and blinking non stop. I have zero issues with external displays, dual 4K included, with both T14 Gen1a & Gen2a. Right-click the desktop and select Intel Graphics Settings to get to the settings. Check for buggy drivers, refresh rates, faulty hardware or reset it altogether. Screen flickering in Windows is usually caused by display drivers. Jun 5, 2019 · I have a user with an issue with his Lenovo ThinkPad X1 Yoga (2nd gen) running Windows 10 v1803. Check Power Check for Logo or BIOS screen Check Cables Check the Monitor Settings Check Display Settings Update or Roll Back Drivers Try Different Applications Try the following Microsoft links for flickering issues in Windows Get Support or Mar 1, 2024 · Troubleshooting a glitchy second monitor can be a quite a hassle. Applicable Brands ThinkPad ThinkBook Applicable Systems Applicable on following Intel and AMD generations: Intel TigerLake CPU (11th gen) or later Aug 26, 2023 · When your Dell monitor keeps turning off, the video card driver is malfunctioning and needs a refresh or reset. The display is keep blinking (on and off). The Thunderbolt 4 dock has the latest firmware, the laptop is Thinkpad T14. Here’re a few things you can do to fix the issue. However, it can be incredibly frustrating when your monitor keeps turning off and on randomly. When flickering, the screen turns black for a second, then shows picture. Out of curiosity do you have any advice on what to do after that? I just did your instructions and managed to get the docking station working but after I undocked the t480 and tried to redock it. One benefit of using multiple d Troubleshoot and diagnose at Lenovo Support Web site Lenovo provides two different diagnosing options to help you identify and resolve problems on your computer. Many users have reported this frustrating problem, but good news—there are ways to troubleshoot and possibly fix it! This article provides you with easy steps to identify the cause and find a solution to the screen flickering I noticed similar behavior on my Lenovo Yoga Slim 7 14IIL05. However, the display (and USB connection) flickers or blinks, i. Mar 28, 2025 · Otherwise, the monitor may need to be serviced for audio issues. below is a video i found on YouTube that most closely resembles what's happening. Accessing the BIOS may take multiple attempts. support. Nov 9, 2025 · Here's what to do if your second monitor turns off and on repeatedly in Windows 11. Over time it seems to get more frequent until it's frustratingly unusable. First, turn off the monitor and unplug it from the power source. One or both of the monitors will go black for a few seconds and then come on again. Sep 13, 2024 · That wraps up our guide on how to fix computer monitors flickering on and off. We would like to show you a description here but the site won’t allow us. Select File and Options. Screen Resolution Settings: Incorrect resolutions can make a monitor unable to display the signal properly, leading to issues. In this article, I will explore why your Lenovo monitor is not turning on and how you can . Make sure the power cable is firmly attached to the monitor. Another time it flickered in a very similar pattern you recorded on the lock screen. System Is Configured With Docking station Microsoft Office Operating Systems Windows 10 Solution Disable the graphics acceleration option in Microsoft Office: Open a Microsoft Office application such as Microsoft Word. OS, graphics card, docking station, bios drivers and firmware are up to date. If the website doesn't work properly without JavaScript enabled. Use the following steps to resolve display, screen, or monitor issues. Mar 19, 2025 · The blinking issue with Lenovo laptops is a common concern experienced by many users. Select Advanced and scroll Symptom If the monitor is flickering when using a dock, try disabling the Hardware Graphics Acceleration in Microsoft Office. Your attached monitor will repeatedly flash off and on again Or your DisplayLink display freezes or locks up, while directly connected screens, eg the built in laptop screen, continue to work. Use the original USB-C cable which was included with the docking station. Has become issue number two: We would like to show you a description here but the site won’t allow us. What to do if your external monitors randomly flicker throughout the day. Connect an external monitor to the laptop. If you're experiencing screen flickering on your Lenovo monitor, it can be quite frustrating. They may even loosen Find solutions for Lenovo Yoga laptops that won't turn on but have a blinking power light in this community discussion. To manually update the driver, search the official Lenovo website for the most recent and correct drivers, and then download and install them. External monitor does not display after sleep, hibernate, shut down, or restart of the system when connected to a dock - ThinkPad Fix issues that external monitor does not display after sleep, hibernate, shut down, or restart of the system on ThinkPad If you own a Lenovo monitor and are experiencing screen flickering issues, don't worry. If you plug it into an external monitor, the display on the monitor looks fine. Check Power Check for Logo or BIOS screen Check Cables Check the Monitor Settings Check Display Settings Update or Roll Back Drivers Try Different Applications Try the following Microsoft links for flickering issues in Windows Get Support or Nov 15, 2024 · From outdated drivers to faulty hardware, learn how to troubleshoot and fix the 'why is my monitor flickering' dilemma for seamless viewing. To determine whether a display driver or app is causing the problem, check to see if Task Manager flickers. External monitors constantly losing connection with Thunderbolt 3 Workstation Dock Gen 2 - Please Help! Jan 3, 2020 · After installing Ubuntu 19. external monitors connected to their laptop via HP Thunderbolt Dock G4 and DP cables. Screen flickering in Windows 11 is usually caused by a display driver issue or incompatible app. If this does not work, swap the AC adaptor and power cord with another Lenovo approved adaptor (if available). Monitor Flickering When Connected to Laptop If you have a two-monitor setup and the second monitor on your Windows 11/10 system is flickering on and off, then this post offers some helpful Flickering or blinking will occur on an external monitor when using a dock between the ThinkPad or ThinkBook and the monitor. Jan 31, 2022 · Your Windows 10 PC's screen can flicker for a variety of reasons. Use a cheap HDMI cable, get flickering and blackness, get a proper active HDMI cable no flickering or shut offs. Symptom When connecting a ThinkPad or ThinkBook to an external monitor through DP or HDMI cables, the monitor may experience intermittent flickering or temporary blackouts. One monitor flickers or goes off at irregular intervals. Aug 9, 2023 · On each of them, external monitors are going off and on randomly when connected via a docking station. Hardware Malfunctions: Internal hardware issues, whether in the monitor or the computer, can lead to bleeding and blinking. It goes away only after i turn off the monitor for a while. The really frustrating part is that Lenovo has known about this issue for years, and released a "fix Symptom When connecting a ThinkPad or ThinkBook to an external monitor through DP or HDMI cables, the monitor may experience intermittent flickering or temporary blackouts. The internal Display and the External are all flickering. Jul 15, 2023 · Monitor flickering, generally speaking, is caused by a disconnect between your computer's display drivers and your physical monitor. Jun 17, 2025 · Troubleshoot Lenovo laptop black screen issues quickly with actionable steps to avoid a trip to the repair shop. Jan 3, 2020 · After installing Ubuntu 19. We have quite a few machines experiencing problems with external monitors flashing. Check cable compatibility I just got a new Lenovo ThinkPad Universal Thunderbolt 4 Dock (P/N 40B00135EU) to replace my old Lenovo USB-C Dock. System Is Configured With Docking station Microsoft Office Operating Systems Windows 10 Solution Try disabling the graphics acceleration option in Microsoft Office. These loose cables can cause your screen to flicker. Sep 23, 2024 · The issue is, when running external monitors through the docking station, they will randomly turn off and on (i. Immediately and repeatedly press F2 or (Fn+F2). Check the Screen Refresh Frequency Jul 18, 2022 · Change Monitor If none of the above-mentioned solutions work and you cannot do anything due to the screen turning off and on, it might be due to the monitor itself being faulty. Updated the dock firmware and using all the latest drivers and Windows 10 with all updates installed. I've noticed also that the screen flickers every now and then when doing regular office work or web browsing, like once every Feb 12, 2018 · Randomly both sreens will start blinking on and off, on and off, etc. After researching “Lenovo display flickering”, I checked the brightness setting (at 100%) and sleep settings Dec 28, 2020 · External Monitor Lenovo Q24i-10 Monitor flashing red blue green while connecting to laptop. e. They stay blank for 1 to 2 seconds, then come back on. For months, the external monitors would blink on and off -- intermittently and I couldn't figure out if I was doing something to cause it. Updated: This problem solved by use cable usb-c to DP! Hello I have problems with various Lenovo devices. With both monitors connected via HDMI 2. It will then go for several hours -- often 8-12 hours -- before starting to blink again, which made me wonder if some component could be overheating and doing a self-shut-off. Monitor is 100% correct, as it is also connected to my desktop pc and it does not flicker. Then open the video file on good monitor - does the flickering is visible in video or not? Oct 17, 2025 · Learn what to do when monitors connected to Dell docking stations experience blanking when using an HDMI, USB Type-C, or DisplayPort output. Symptom The monitor flickers when using a dock, and the Hardware Graphics Acceleration option is enabled in Microsoft Office. Nothing helped! The problem continues even after i unplug my pc. Uninstall chipset and display driver (Intel Display driver and Nvidia or AMD Display driver [when device has double GPU]). Dec 11, 2024 · Learn how to resolve screen flickering on Windows 11 with our step-by-step guide, ensuring a smooth and stable display experience. Applicable Brands ideapad/Lenovo laptops System Is Configured With Intel graphics Operating System Windows 10 Solution Disable Screen Refresh Rate in Intel Graphics settings (option available in power). May 30, 2025 · Your monitor keeps turning off and on? Here in this guide, we have provided some of the most efficient ways of dealing with it. While trying to figure this out I discovered the Laptop screen has been set to use a "custom scale". Could be the f4 button or a button with two monitors on it, for the external monitor to work. 0 I am facing some issue with my display. Consider trying a different monitor or cable, if available. It is 100% the cables and not the docks 99% of the time (lol), same issue with USB-C Lenovo docks. No worries! Symptom An external screen flicker and bright line may be observed at the bottom of the screen when connecting an external display to the system by VGA port. 1. On Linux though, never used Windows on these machines. Sound Settings window/audio output and input devices rapidly flickering whenever I plug a headset it in or try to change a device Uninstall chipset and display driver (Intel Display driver and Nvidia or AMD Display driver [when device has double GPU]). The problem is that very often the external screen goes black for few seconds. Sep 4, 2022 · Latitude 5431 - External monitor keeps blinking (WD19 docking station) After doing some tests with our new Latitude 5431 models, I noticed my external monitor did not work properly. May 11, 2025 · Monitor Keeps Turning Off and On Randomly: How to Stop It In today’s technologically driven world, we rely heavily on computer monitors for our daily tasks, entertainment, and communication. English Community-Lenovo Community Oct 15, 2021 · Hi everyone, I have an external monitor connected to my laptop. lenovo. Aug 19, 2025 · User may report that their monitor encounters monitor display intermittently flickers, V-line issue, resolution is blurry, or video blanking issue after extended use. Connect a display to your Mac If you're using a Mac with the M1 or M2 chip: Lenovo support identified the issue of flickering external monitors to be related to enabled DSC (display stream compression) and offers a tool to disable DSC. I had widespread issues with the Lenovo Thunderbolt 4 docks and older Dell monitors. mikapbemlsboqfdkxiclmijsduwplunwvuqchmaljonrbnfpgoklxbizxqfwsyoawsyvelupbmvvpyjh