Second monitor detected but no signal windows 10. Monitor is a Dell U2414H model and I'm on Windows 10.
Second monitor detected but no signal windows 10 If the monitor is detected but not displaying, try extending the desktop or duplicating the display. Apr 28, 2021 · FIX: Windows 10 Not Detecting Second Monitor problem [Quick Tutorial]. Mar 13, 2023 · Here is how you can quickly fix second monitor not getting detected after waking up from sleep on your Windows 10 and 11 computers. Another thing is that both nvidia and windows both show both monitors connected as well as Aug 4, 2023 · There’s no signal for your VGA monitor. I've had a look in the AMD software but can't see anything about multi monitor setup in there and windows doesn't even seem to detect a second monitor in display settings or device manager. However when I take out the hdmi cable and just start windows on the d-sub monitor windows logo comes and then poof no display. Apr 14, 2025 · Quick & easy solutions to resolve DisplayPort problems It's frustrating when you are trying to connect a monitor to your computer but not getting a signal. Let’s explore the mysterious second monitor display. Once I installed the correct driver, the second monitor detected. See if the monitor shows the display in any of these settings now. But with over 15 years of experience building high-end PCs, I‘ve learned reliable techniques to tackle these problems and get both screens working again. Please see attached image. On Nvidia Control Panel On Windows 10 Control Panel Also, on the Second Monitor Not Displaying in Windows 11/10 After Update [Solution] A buggy, outdated, or corrupted graphics driver can cause problems that may prevent Windows 10 from detecting a second Oct 6, 2020 · I converted my old monitor from RGB to DVI in order to use it as a second monitor, and Windows 10 detects the monitor very well. I've tried turning it off and on again as well as cleaning my whole pc because it might have been dust but to no avail . Find steps to resolve display issues when using multiple monitors in Windows. I checked device manager and my Oct 16, 2024 · Learn how to fix second monitor not being detected in windows in this video. If you're seeing "No Signal" or your monitor isn't detected when connected via Dec 10, 2020 · Find out how to troubleshoot Windows 10 not detecting your second computer monitor. Feb 18, 2025 · If that doesn’t work, force Windows to detect the monitor by directing yourself to Display Settings and clicking “Detect. Fortunately, there are several steps you can take to troubleshoot and potentially fix the issue. , extend, duplicate, second screen only) to see if that resolves the issue. Jun 19, 2025 · Troubleshoot multiple monitor issues and fix common external monitor connection issues. Aug 7, 2015 · I have two Dell monitors and Windows 10 recognizes only one. Now the one that is hooked on HDMI works just fine but the other one no matter what I do refuses to catch signal and is constanly blank/blackscreened. Dec 26, 2017 · Second Monitor Detected, but No signal via HDMI - posted in Windows 10 Support: Hello!I recently bought a Slimline HP Desktop 270-P024, yesterday I tried to watch a movie and decided to connect my Feb 18, 2022 · Sometimes you might turn on your PC but your monitor displays "No Signal" on the screen. Several hardware and software factors can cause this problem. Sep 12, 2024 · If the monitor is detected but shows no signal, try adjusting the display mode: Use Win + P to toggle between display modes (Duplicate, Extend, or Second screen only). Use the monitor's OSD Control keys to check if DisplayPort is selected. The no HDMI signal from your device issue denies you the ease of connectivity with multiple devices. Aug 15, 2024 · Sometimes, your second monitor may seem to be powered on, but it won’t show any image; other times, the screen won’t even turn on properly. Dec 18, 2020 · Sometimes Windows might not detect the second monitor that you are trying to set up because of driver or hardware related issues. This will allow you to change your standard display resolution to a lower setting that your monitor can support. There are a few potential causes, but it can usually be narrowed down to this new bit of hardware. Everything ran fine for over half a year. 2 as an input source. If you’re unsure what resolutions are supported by your monitor, you should consult your user manual or the manufacturer website to find out. But still detected. Connect the monitor with no display using the cable of the working monitor. 7 I had the exact same problem as the question poster: Ubuntu 12. The next day i turn on my pc and now only 1 monitor works. Optimum Resolution 1280x1024 60Hz. I am Thank You Everyone So Much For Watch My Video On " FIX Windows 10 Not Detecting Second Monitor ". Troubleshooting "No Signal Detected" on your monitor? Follow these steps: Ensure your graphics card driver and motherboard BIOS are up to date. Mar 24, 2023 · Is your 2nd monitor detected but not displaying? Learn how to solve this problem fast in our complete and easy to follow guide! May 21, 2024 · When a monitor displays an HDMI no signal error, it’s crucial to methodically check various potential causes. Nov 20, 2020 · Windows 10: external monitor "No Input Signal" in "Extend" mode, though "Duplicate" or "Show only second display" work Ask Question Asked 5 years ago Modified 4 years, 9 months ago Feb 17, 2019 · As the title says, I'm having an issue where the second monitor in my set-up won't display in Windows. Read on for Oct 13, 2023 · Dealing with the “2nd Monitor Detected But Not Displaying Issue” can perplex many computer users. I'm confused because even if there is an issue with multi monitor, the DP output isn't working past boot screen even when its the only monitor connected. Sep 19, 2024 · Also Read: How To Enable Motherboard HDMI? How To Fix Second Monitor Detected But Not Displaying Issue? Here are some easy solutions that you can use for fixing your Windows PC if the 2nd monitor detected but no signal or active. On Nvidia Control Panel On Windows 10 Control Panel Also, on the Second Monitor Not Displaying in Windows 11/10 After Update [Solution] A buggy, outdated, or corrupted graphics driver can cause problems that may prevent Windows 10 from detecting a second Oct 22, 2025 · Commonly , Windows 10 cannot detect the second monitor is due to the incompatible display driver. this could be happening because your GPU drivers are outdated or I just bought a brand new HP Laptop, i7, and plugged in my external monitor into the HDMI port. I purchased a DVI to VGA adapter to connect the secondary monitor, and while it detects the monitor the screen remains black as if it is in standby mode. Had a client with a secondary monitor that wouldn’t connect although they’re system had 3 video ports ( display, hdmi and vga) turns out the system was using the Microsoft basic graphics driver which only allowed one monitor. Nov 2, 2016 · Re: 2nd Monitor detected but not displaying Have you rebooted since re-hooking the second monitor? Sounds like a resolution/refresh rate issue. 329 Hi, The HDMI port on my spectre fails to function properly. Two monitors were connected to the docking station (one through the HDMI and one through the DVI port) and my laptop used all three displays just fine. Fresh Windows 11 install with all updates. Apr 7, 2025 · Are you feeling upset when you encounter the monitor no signal issue? You can fix this issue easily with the fixes in this article! Like the title says i have 2 monitors plugged into the same gpu (2060 super) and initially they both worked perfectly. When I switch to duplicate, extend, or second display, the setting goes back to PC screen only. Reboot. Mar 10, 2020 · I connected an external monitor via USB-C->HDMI adapter but can't duplicate or extend to it. It uses a DVI connection and I bought a DVI to HDMI cable to be able to use it with my new PC as there's no DVI port on the 3080Ti Audio tracks for some languages were automatically generated. Monitors showing blank or black screens. Learn more In this video I show a bunch of solutions to fix computer no display or no signal on your monitor. BIOS reset and flashed. If you're having trouble setting up a dual monitor display on your Windows 11/10 computer, you're not alone. My other two monitors both use DisplayPort natively and have no issues. 19045 Build 19045) but there's no signal on the second one. Nov 8, 2024 · You can fix DisplayPort No signal issue on Windows 11/10 using these proven solutions. Sep 15, 2024 · DisplayPort Not Detected Seeing a "DisplayPort not detected" or "No signal" message on your monitor usually occurs when new hardware has been connected. Verify Monitor Input Source: Sometimes, the monitor might switch to a different input source after waking up from sleep. Follow this guide to get the correct display driver. Sanket_Kotaku no display everything is working but it say no signal detected pls help Sort by: Add a Comment Noooterz Dec 26, 2017 · Hello! I recently bought a Slimline HP Desktop 270-P024, yesterday I tried to watch a movie and decided to connect my desktop to my tv monitor through an HDMI cable. To fix this, check the video output, cables, and ports. Right-click on the second monitor and select “Update Driver. I orderer an adapter from VGA to DisplayPort and plugged it in. Flickering or intermittent connectivity. Both are detected by Windows (Windows 10 Version 10. Follow the monitor manufacturer’s instructions to set both external displays to use DisplayPort 1. Oct 30, 2025 · A second monitor is one of the most potent productivity boosters for Windows users, but sometimes your computer fails to see the extra display. The monitors and cables are fine because they work when I connect directly to my laptop. Jul 4, 2025 · The computer turns on but no signal to monitor issues occurs due to driver and power issues. Apart from computer hardware, you can also find his how-to and Full Bio Learn about our editorial policies Updated Jan 18, 2020 · I have been experiencing the same issue : second display was detected before and it suddenly stopped working, it shows no signal. Check your video card driver. Now when I boot with both cables, it displays on both monitors but it's locked at 1024x768 res and changing it is greyed out in Display settings (it's also locked when I only load one monitor, incidentally - but at the correct resolution for the monitor), it operates as two mirrors of the same display (down to the mouse being mirrored), and in REMOVE both wires HDMI and VGA/REGULAR and plug in first the one that does not work and then the second. ly/3yv6PQa 00:00 Introduction 00:09 1. Check Monitor Connections: Ensure that all cables connecting your monitor to the PC are securely plugged in, both at the monitor end and the PC end. Alternatively, use the 15-second window So couple of days ago I bought pc and 2 monitors they are standard 2E B2420B Black monitors 1920x1080 75hz I hooked one with my GPU HDMI port and the other one with Displayport. For more videos like th Jul 18, 2017 · Second monitor detected but blank Hi, After a windows update, my second monitor has become blank. Apr 5, 2017 · Since you mentioned that your second screen is being detected but doesn't project anything, we suggest that you run through this link for troubleshooting steps on how to pinpoint and fix the issue. How To Fix windows 10 not detecting second monitor This instructions in this video tutorial can be applied for laptops, desktops, computers, and tablets which run the Windows all operating systems Feb 24, 2023 · I'm trying to connect a second screen, however, Windows 11 seems to recognize the screen, but says it's "not active" hence there is no output on the display. I show you how to fix windows 11 not detecting second monitor and how to fix second monitor not detected on windows 11 in this video. I ran into this issue a couple days ago my second monitor turned off (its a samsung tv)when i booted csgo , the screen flickered for a second then turned to a no signal screen . Jun 11, 2025 · I have checked for system updates, everything is up to date. Before updating to Windows 10 (I was using Windows 7), everything worked fine. Jan 12, 2025 · Are you experiencing issues with your Windows 10 computer not detecting your monitor? This can be a frustrating problem, especially if you rely on your computer for work or other important tasks. It's plugged in but there's no signal to it at all. If this does not work, see if restarting helps. In this Mar 23, 2023 · My problem My primary monitor (monitor 1, AOC C27G2ZU/BK) works just fine, but the secondary monitor (monitor 2, DELL U2412M) is not displaying anything. Nov 17, 2025 · No video or wonky picture on your second or third monitor? Here’s our troubleshooting and repair guide for some of the most common multi-screen issues. Sep 5, 2024 · Second Windows or Mac monitor not working? Troubleshoot the second monitor has no signal, is not detected, incorrect display, wrong resolution, and bad color. When I ask to "detect other displays", nothing is found, despite the cable being clearly plugged in. Monitor is a Dell U2414H model and I'm on Windows 10. Nov 7, 2023 · Having trouble with 'no HDMI signal from your device'? Find out how to diagnose and fix connecting your TV or Monitor to Windows. But for a months or so . 1K subscribers Subscribed Mar 10, 2022 · I have an second monitor which suddenly stopped working. Nov 3, 2025 · [Windows 11/10] Troubleshooting - External Display Connection Issues Applicable Products: Notebook, Desktop, All-in-One PC, Gaming handheld, Motherboard, MiniPC, NUC If you experience the problem of external monitors, such as abnormal display or audio is not working, please refer to the troubleshooting in this article. How To Fix 2nd MonitorCheck Cables and PortsCheck Display Settings (Right Click on Start - Settings - Display - Detect)Check Driver (Right Click on Start - D Jan 25, 2023 · Try to use a different cable or different ports on the computer to connect the monitor Try to boot the computer in safe mode and check if the monitors are getting detected in safe mode. Solution 1: Change the Dual Monitor’s Display Settings Common Multi-Monitor Display Problems Let's understand some common symptoms you may experience with multiple monitors such a dual monitor, three or four monitors: One or more monitors not detected. Jun 10, 2022 · If you're wondering how to fix your second monitor not being detected on Windows, our simple guide holds all the answers. I Hope This Was Useful And You Learned Something Interestin Aug 5, 2015 · Windows 10 second monitor no signal Hello, I haven't been able to get my second monitor working after doing a clean install of windows 10. Usually, pairing an external monitor with Windows is a seamless process. After By default, Windows will use a much lower display resolution in Safe Mode than during normal use. Jan 30, 2023 · Second monitor not displaying in Windows 11/10 after Update Most of the time it is the driver issue that causes the issue of the second monitor not working after the update. This is not doing anything. The external monitor is detected and confirmed through the NVIDIA Control Panel. When I go into my bios settings it is displayed on both screens but after windows loads up it's on one. Nov 22, 2020 · I just posted this - but in the wrong forum section, so that is why i repost it here. GuideRealm is the home of tec Apr 5, 2024 · The monitor is detected in both the Nvidia Control Panel and Windows display settings. These 6 simple fixes can fix your monitor and get you back to work in no time. Aug 18, 2024 · If your monitor says No Signal, it isn't receiving the video signal from your computer. However, many users have reported encountering the "DisplayPort no signal" issue on Windows 11/10, where the monitor fails to receive a signal from the computer. May 19, 2025 · What to do if your PC refuses to recognize a second displayIs your computer not detecting your second monitor? This is a common issue among Windows 10 and 11 users. Here is the result for running sudo lshw -C video : *-display. In this article, we will look at various solutions for solving this problem. Dec 24, 2023 · Windows 10 cannot detect the second monitor or HDMI TV, Mostly occurs because of the Installing graphics driver problem it’s outdated, not compatible with the current windows version you need to update or reinstall the graphics driver with the latest version to fix the problem. Check Cables 01:09 2. g. If you connect your monitor to your PC and the displayport is not working or shows no signal, but your HDMI port works fine. While Windows detects it, the monitor simply shows "No Signal. Jan 1, 2025 · If Laptop External Monitor is not working, detected, or displaying anything when connected, or Windows won't recognize second HDMI monitor, see this post. The display itself just wakes Feb 25, 2023 · Second Monitor detected but not displaying error windows 11 / 10 Fixed Tips Howto 34. Mar 19, 2023 · If there is No Signal on monitor on a new PC, but the CPU is running, you need to take the following steps to resolve the issue. Also, when in the recommended resolution of 2048x768 I get the message "1:Analog Input Cannot Display This Video Mode. Here is a thorough guide on how to fix VGA no signal issues quickly and easily. Finally, consider updating your graphics drivers, as outdated drivers can also cause recognition issues. Feb 17, 2022 · Go to “Start” and enter “Device Manager. When pressing one of the physical buttons on it, it says there is no signal coming from the computer and to press any key to wake it up. This can be a big problem, but this guide is going to show you how to fix it. Many users face the issue of their second monitor not being detected by their computer. Ensure the cable is securely connected. ” The process is In some cases, pressing Windows logo Key + Ctrl + Shift + B to reset your graphics driver may fix your issue. Dual monitor setup not working. Sep 24, 2025 · Sometimes the second monitor is not detected on Windows 10. If unable to update via DisplayPort, switch to HDMI. ” If you still see a “No Signal” message, remove any other peripherals that might interfere with the display. If the Second Monitor is not being detected on your Windows 11/10 computer, forcing Windows to detect the second Monitor might help in fixing the problem. 10, Nvidia card, monitor connected via HDMI, using nouveau driver, monitor worked before (with the same setup), the monitor is detected and enabled in Ubuntu, but no signal to monitor. But there is no output displayed. Force Detect Displays While automatic display detection usually works without a hitch, you can Oct 18, 2021 · This post shows you the reasons for second monitor not detected/second monitor no signal and how to get rid of this issue using different methods. Running on a GTX 970 graphics card with two VS228h (though last I checked the monitor is almost never the problem) Solutions please. Apr 21, 2024 · So when that second monitor is not detected in Windows 10 automatically, it's incredibly frustrating. If you have a separate GPU, make sure the monitor is connected to the GPU rather than the motherboard. The monitor, adapter and HDMI cable works because I can use the monitor on Linux without any problem (Same system, same setup, dual-boot with Windows). I am pretty sure that the adapter doesn't have a problem because the computer is detecting the monitor. Here's how to get your second monitor detected on Windows 11. ” Expand the “Monitors” category. Oct 3, 2023 · In this article, we will see what you can do if the second monitor is detected but not displaying anything on your Windows 11/10 computer. " I tried basic troubleshooting, switching ports, and all of them work. May 21, 2024 · When a monitor displays an HDMI no signal error, it’s crucial to methodically check various potential causes. 2nd monitor -leave unplugged (both monitors, internal settings leave to auto) at login screen, plug in the monitor on the right to Hdmi. This article covers all of the best strategies for how to fix a second monitor not detected on Windows 11 issues with over 20 tested tips and tricks for you to apply. If you are experiencing issues after an update, returning, or rolling back, to a previous version of your display driver may solve the issue. Oct 13, 2023 · Dealing with the “2nd Monitor Detected But Not Displaying Issue” can perplex many computer users. The computer detects the monitor but i am unable to use it. This comprehensive troubleshooting checklist draws on my […] May 5, 2022 · My laptop no longer outputs video through the HDMI port, but Windows does correctly recognize that there's a monitor plugged in and even knows the model, resolution, refresh rate, etc. There are several methods that you can try out to find and fix this issue of yours. Test with Different Ports If your laptop has multiple HDMI ports, try connecting the monitor to a different port. The monitor also works fine when connected to a different (Windows) desktop. … Oct 3, 2023 · Two monitors are better than one. Windows display control shows two monitors present when the external monitor is attached, returns to one monitor when external monitor disconnected. Sep 4, 2024 · Resolution Troubleshooting procedures to try: Extend the desktop using Windows® Control Panel. Host Your Website With BlueHost: https://bit. These steps should help you resolve the issue with your monitors not being recognized after updating to Windows 10. I tried the following : - swaping the hdmi cables: it displays on the tv, but stopps recognizong the monitor. May 19, 2025 · Is your computer not detecting your second monitor? This is a common issue among Windows 10 and 11 users. Nov 24, 2023 · It depends on the type of monitor, CPU, or laptop model that you own. No matter what I do, my laptop will not detect my monitor. I've had this issue in the past, but it would always seem to go away after a while. Try changing the display mode (e. Is that monitor just broken now? Windows Pc btw. Our step by step guide goes over everything you need to know. Jul 2, 2022 · If your Windows 11/10 computer is not detecting the HDMI or 4K TV then one of these suggestions is sure to help you fix the problem successfully. It is detected in the windows display settings and has the correct resolution but it says no input on the second monitor. Before troubleshooting, please make sure you have set up your external 1st monitor -connect displayport. May 8, 2025 · Get your second display working on Windows 11 with step-by-step troubleshooting for connection, settings, and driver issues. As a programmer relying on multiple displays for better productivity, I know first-hand how frustrating second monitor detection issues can be in Windows 10. Download and update Graphics drivers from manufacturer site. Test the monitor Dec 28, 2022 · However, before repairing the drivers, you should check if the setting for projecting content to the second monitor is chosen correctly. DisplayPort is a digital display interface used to connect video source to a display device. Fortunately, troubleshooting this problem is easy. Nov 20, 2020 · So, when I start up my PC the bios logo shows on both screens (working monitor hdmi, d-sub not working). I have already tried reinstalling the driver, disabling it etc. Nov 13, 2023 · In the "Multiple displays" section, ensure the monitor is detected. Learn how to troubleshoot a 2nd monitor detected but not displaying. windows does not see the second monitor anymore and boots up with only one screen. Read on for troubleshooting tips to help you fix it. It was working just fine yesterday and all of sudden wont work today. Nov 15, 2025 · Getting a “no display detected” error signal on your monitor is quite frustrating, so I spoke to display makers Asus and ViewSonic to get answers as to why this might happen and how to fix it. No worries! This article explores this issue’s reasons and gives a step-by-step method to fix it. Neither can I hear any audio. Now, if your Windows computer is not detecting or extending the second monitor, you can force it to or troubleshoot the issue using these solutions. As seen in attached photo, Windows 11 device manager sees the Monitor, but the monitor always shows 'No Signal'. Incorrect screen resolution or display scaling. Jan 17, 2024 · Plug in and turn on your computer to check if the No Signal issue has been resolved. Configuration: Motherboard: Asus Sabertooth A170 Mark 1 CPU: Intel i5-6600K GPU: ASRock Phantom Gaming Radeon RX590 running Radeon Adrenalin… Oct 2, 2017 · However, the monitor keeps saying "no signal" and therefore goes to power-saving mode. How to Fix a Monitor Connection by Checking Hardware Connections Check to see if th Oct 6, 2020 · I converted my old monitor from RGB to DVI in order to use it as a second monitor, and Windows 10 detects the monitor very well. Details: - It IS recognized in Display Settings - It Is recognized in GeForce Control Panel - When taking a screenshot, it shows up as if nothing is wrong - It is NOT recognized under Device Manager Troubleshooting: Common Multi-Monitor Display Problems Let's understand some common symptoms you may experience with multiple monitors such a dual monitor, three or four monitors: One or more monitors not detected. Feb 17, 2022 · Hi , I bought a new Monitor , ( i have msi laptop gf63 thin 9RCX) the windows detected it but no signal , i tried 3 differents HDMI CABLES , i tried with upgrading to windows 11 I tried to Update the drivers / reinstall / unistall , I tried the… Feb 12, 2023 · If your Surface device doesn’t detect a secondary monitor, it mainly indicates incompatibility issues with the monitor or the connection media. Oct 24, 2025 · If the Third monitor is not detected, you need to reconnect all your monitors, change the display settings and check for driver updates. Windows display settings, Detect, make sure "1" shows up on the monitor that's on the left side of your desk. However, sometimes your system may fail to detect the second monitor due to hardware or software reasons. If you have any other questions or suggestions, feel free to share them in the comments section HDMI screen is detected, but my screen is keeps repeating "No Signal detected". ” When it pops up, search for “Monitors. Press Windows + ‘P’ on your primary monitor and choose Duplicate, Extend, or Second screen only for the project setting. Open Display Settings from Control Panel. For example, this might be called Multi-Stream Transport (MST), which allows the first display to pass the signal along to the second external display. Select the monitor that does not show any display. 0. Look for an image of monitors on the display representing your physical monitors. I tried updating drivers, but to no avail nothing worked. He specializes in monitors, laptops, storage devices, and other peripherals. The excitement of expanding your digital workspace is quickly dampened when the newly connected monitor remains stubbornly blank. Jul 27, 2020 · Force Windows 10 to Detect the Second PC Monitor If there are no physical connection problems with your PC and second monitor, you can use the Settings app to force detection of the second display. Mar 22, 2023 · I am using a dock to connect my 2 external monitors, I recently updated my windows 11 and now both external monitors are not displaying anything, 'no signal'. 1 I've been using two monitors fine for a few months now but after a windows update one of my monitors is stuck in power save mode. If you're using HDMI, DisplayPort, or DVI cables, try reseating them. Extended desktop not working as expected. When I booted the PC, the HP Logo showed up on the TV Monitor, but then the signal went off. This could be a new monitor, a new DisplayPort cable, or perhaps a DisplayPort hub. . For more videos like this then please leave a like. Mar 25, 2024 · If you see No HDMI Signal from your device error on a Dell monitor, follow this guide to fix the error easily. Force Windows 10 to Detect the Second PC Monitor If there are no physical connection problems with your PC and second monitor, you can use the Settings app to force detection of the second display. I don't use Jul 12, 2020 · Product Number: 5KX18PA#ABJ Windows: 10 (64-bit) Version: 2004 OS Build: 19041. If not detected, click "Detect" to identify the monitor. May 10, 2020 · Thanks for your reply. "No problem," I thought. The problem : I have two monitors on my PC. After updating to Windows 10, no monitors that are connected through the docking station are detected. From cable connections to system settings, correct diagnosis is the key to resolution. Find out how to troubleshoot one or more external monitors in Windows. This is a common issue most people will run into eventually, but fixing it is easy! Just follow these tips, and your monitor should be working in no time. May 27, 2024 · Make sure that the second monitor is detected and recognized in the display settings. Sep 23, 2022 · What is the problem? The issue is about the second or external monitor which used to work perfectly in Windows 10 suddenly stops getting detected or recognized properly by Windows after upgraded to Windows 11, causing it to show blank screen or no signal, as if it was disconnected. Additionally, it did display once and I used the monitor for about 30 minutes and then had to restart for a software install now i can't get it to display again. It's detecting the 2nd monitor, but I see no display - black screen. Learn them in detail and about a handy backup tool to tackle data loss issues on your computer. Oct 31, 2024 · DisplayPort is a popular digital display interface used to connect computers to monitors, TVs, and other display devices. Sep 16, 2021 · Windows 10 makes it easy to connect a secondary monitor to your setup to boost productivity. Sep 6, 2020 · Hello, I just bought a new monitor and i am unable to connect it to my laptop, i have a Lenovo Yoga 910 running windows 10. It's from my old setup as I bought a new computer recently. Here’s what to do if dual monitor is not being detected on a Windows PC. Dear Viewers, We are Easy Classes and our Vision is to Dec 28, 2022 · Home Monitors 9 Ways to Fix No HDMI Signal From Your Device By Bhishu Acharya Bhishu Acharya Hardware Specialist ( BSc in CS & IT ) Bhishu Acharya is a technical content writer at TechNewsToday. Sep 7, 2021 · My second monitor isn't being detected properly. Apr 26, 2024 · Subscribed 1 1. Ive tried testing the monitors individually and found that the one that doesnt work doesnt seems to get a signal anymore. This can be frustrating as it prevents users from being able to use their display devices properly. To roll back the driver: Sep 17, 2025 · In this how-to guide, I'll explain several ways to troubleshoot and fix issues that block the system from automatically detecting the second monitor. hope this works Sep 26, 2025 · This guide will give you a comprehensive list of solutions to fix the Windows 10 3rd monitor detected but not displaying problem. Check the specifications first. The scond monitor is detected but displays "HDMI no signal" I have: - updated the display adapter driver from manufacturer (Dell) - no change - tried the HDMI cable on multiple devices - cable works - hooked up the monitor to another device vi Dec 4, 2015 · I previously had a dual monitor setup, with my primary monitor (SyncMaster2233sw) using a DVI cable and the secondary monitor (Syncmaster 173v) using a VGA cable. If I plug the second display into the motherboards VGA, it works just fine, and I can switch between them. Oct 21, 2025 · You can quickly check our detailed guide on the second monitor not detected on Windows 10 to fix this issue. And i have already tried the Win+p and choosing Jun 6, 2020 · Are you unable to project or mirror content from your PC because Windows isn't detecting your external monitor or TV? Check out the solutions in this guide to fix that. Recommended: How to Setup Monitor in Vertical and Horizontal Mode in Windows 10 We hope this article helped you fix Viewsonic monitor not detected, no signal issue. 1K views 11 months ago Second Monitor Detected But Not Displaying Error in Windows 10/11more Sep 15, 2024 · DisplayPort Not Detected Seeing a "DisplayPort not detected" or "No signal" message on your monitor usually occurs when new hardware has been connected. If DisplayPort is selected but no signal, unplug and replug the cable. wndqkfsbaqveblyhdcthbrimiorjlwjywbjlmbvuvuxxvviwhqwptlcfudnjqxjbgquwue