second monitor doesn't turn on when computer starts

Verify that the power supply voltage switch is set correctly. This step is easy enough for a novice to complete, takes no special tools, and could provide you with a lot of valuable information. Test your computer's hardware using a Power On Self Test card. The screen stayed blank and did not turn back on. No programs are needed to do this. Before you begin more complicated and time-consuming troubleshooting with the rest of your computer, make sure your monitor is working properly. Step 4: Under Display Information, click the Display Adapter Properties for Display # link. Force Windows to detect your monitor: Maybe Windows didn’t recognize your second display’s connection. Computer powers up but monitor goes right to sleep? Step 2: The Settings app opens with the Display panel loaded by default. I have tried leaving it for a day or so and switching the wire around have had no joy as yet. If your computer still isn't displaying anything on your monitor, proceed to Step 12. A lot of people seem to have the problem, if you do a search. Some games don’t lock the boundaries of their fullscreen window, which means that when you move to the edge of the screen, your pointer can transition into the second window. A message then shows up on the monitor that says: INFORMATION, the monitor … Resetting the computer can resolve many issues that cause a blank screen. If it doesn’t, contact your retailer or manufacturer to discuss a return or replacement. Check for signs of electrical shorts inside your computer. Fortunately, this can usually be fixed. By installing each device back into your PC and testing them each time, you'll eventually find the hardware that caused your problem. Use the following steps to see if a built-in on-screen message is displayed. Verify that your PC has completely restarted and is powering up from a completely powered off state. Find a new cable that has great shielding. Switching to another is all you need to do to correct the problem. Reinstall each piece of hardware that you removed in Step 10, one piece at a time, testing after each installation. Test your monitor. Really dissappointed, as otherwise the monitor is perfect. Then, l brought it back to the original computer and reconnected, found everything as normal. Related wikiHows. If no light comes on after several attempts, proceed to the next section. Clicking selects that second screen, or whatever is on it, minimizing the game. Test that your computer is working correctly by connecting to your PC a different monitor that you're certain is working properly. In this case, you have been using a multi-monitor setup for a while now and everything has been working fine — but suddenly your other monitors just stop working altogether. what I do is when I see the shutting down the computer screen I turn off the monitor At that time when i did try to turn it on my computer monitor wouldn't do anything and my desktop would only beep at me. Maybe the computer doesn't turn on at all, maybe it powers up but shuts right down, or maybe it blue screens. These same processes can be used to change to duplicate if you’d prefer it that way. Here are a few methods for fixing the minimization problem: Check your display options within the game itself: If you’re playing in “Windowed” mode, try switching to “Full Screen” instead, as it captures your mouse. Normally when you return to the computer you move the mouse and or press a button on the keyboard to re-turn on the computer monitors and continue working. Here are fixes for many common multi-display issues. Step 2: Select the Extend option. Go to Device Manager, select Display Adapters, and select your display adapter to see more. I've tried that, but it didn't work. Reseating will reestablish the various connections inside your computer and is very often a "magic" fix to problems like this one. Several hours later, I returned the tower and attempted to reconnect the monitor... and of course, now it won't turn on again. Alternatively, you can take the long route: Step 2: The Settings app opens with the Display panel loaded by default. Looking for help figuring out how to wake up my second monitor. The monitor must be connected to the add-in video card, if present. If clearing the CMOS does fix your problem, make sure any changes you make in BIOS are completed one at a time so if the problem returns, you'll know which change caused your issue. Windows 10 designates one of these resolutions as “recommended” based on the display’s hardware. At this present time I have resorted to pressing the sleep key again when the monitor doesn't start on its own, so far with successful startups, but I am fearful that it will cease to start. When I turn the monitor off and back on, I get the "acer" identifier, then my Windows screen comes on for about a second, then it goes out. The Monitors run in extended mode, Monitor 2 and Monitor 1, left to right with Monitor 2 set as Primary, i.e. Tim Fisher has 30+ years' professional technology support experience. Step 3: With your second screen highlighted, scroll down to Multiple Displays and select Extend Desktop to This Display on the drop-down menu. It simply means that the display has power, but it isn’t receiving visual data. A BIOS misconfiguration could be why your PC won't start up all the way. Hi, Yesterday, my monitor worked fine. In this situation, typically ctrl+alt+delete and doesn't respond, and rebooting to safe mode results in the same black screen. Click on the secondary display shown in the diagram. Report. In these cases, you have little option than to rely on the help of individuals or companies that do offer these resources. This doesn't happen all the time though, although it seems to be increasing. Change the graphics port: If you’re using a dedicated graphics card with multiple output ports, try switching to another port. Step 4: Go back up to the diagram and use your mouse to drag your second monitor to the left or right of your primary screen. Tip. ... Vista doesn't like to have two of the same monitor or just doesn't like the samsung SyncMaster. You can do this by using your mouse, going up or down with the arrow keys and pressing Enter, or by pressing the Windows + P keys to cycle through options. Then, l brought it back to … See if this helps bring your other monitor back to life. Simply press the display’s power button, or press the Windows + P keys and select the PC Screen Only option. The purpose here is to remove as much hardware as possible while still maintaining your PC's ability to power on. If it's not plugged in, it defaults to PC Only, the one built in screen. Force Windows to detect your monitor: Maybe Windows didn’t recognize your second display’s connection. Thank you. Troubleshoot the cause of the beep code if you're lucky enough to get one. This turns both computer and monitor off. When th e computer was turned back on the next day, the monitor resumed the clicking sound again, but still it would eventually come on. I have to restart the computer to wake up the monitor. This delay provides time for some recharging of the CMOS battery, which may have been drained. Step 3: On the following screen, click the drop-down menu located under Choose Display and select the problematic monitor. Just because your computer's fans and lights are working doesn't mean that the power supply is functioning properly. Step 1: Right-click your desktop and select the Display Settings option on the resulting pop-up menu. If your monitor is set at an incorrect refresh rate, it will display a “no signal” error. At that time when i did try to turn it on my computer monitor wouldn't do anything and my desktop would only beep at me. The light stays yellow when it should go blue. Clearing the BIOS memory on your motherboard will return the BIOS settings to their factory default levels. I've updated my NVidia GeForce GTX 960 drivers. This can often fix your issue. Copyright ©2020 Designtechnica Corporation. If it’s been a while, clean them out very carefully with a few jets of compressed air and make sure there is no damage or debris to the port or cable. Verify that all the cables are connected correctly. You can usually fix it by trying these steps: Check monitor ports: Make sure all ports on your computer are clean and dust-free. After that, I have to wait 20 seconds to turn the computer on orelse, it will just shut down straight after i press the button. Buy a new monitor cable for the secondary monitor: It may be that your cable is old and failing. If you do not see a power LED (blue, green, or orange light) on the front or bottom of the monitor, press the power button again. Reseat everything possible inside your PC. If your computer monitor displays only a black screen when you turn on your computer, the following steps may help you fix the problem. I just unhooked the monitor cord from the computer and turned on the monitor and it showed up on the screen "no signal".. While the computer is starting, disconnect the video cable. If your computer starts but the screen is black, ... you can hold the power button down for 3 to 5 seconds to completely power off this computer. Shorten the cable length: If possible, pick a new cable that’s shorter than the older one. If your PC still isn't displaying information on your monitor with anything but essential computer hardware installed, a POST card will help identify which piece of remaining hardware is causing your computer to not come on completely. This doesn't happen all the time though, although it seems to be increasing. It’s a good idea to check all your Display settings to make sure they are set up for multiple monitors: Sometimes a Windows update can reset them. Step 1: Performing a hard reset . I've tried changing monitors, new power supply units, new graphics cards with clean drivers, but still the problem intermittently exists on most of my Windows 10 computers. If it's plugged in when I boot up I get dual displays. Start your computer with essential hardware only. Clear the CMOS. If not, keep reading to find other solutions to fix this issue. It won’t stop your mouse from moving into the other screen, but it can stop the game from minimizing when it happens. Ok I've been having a problem for a couple of weeks now. You see lights on the computer case, probably hear fans running from inside, and may even hear sounds, but nothing at all shows up on your screen. Thanks! If your computer starts normally with only essential hardware installed, proceed to Step 11. … If you are using an adapter to switch from one type of input to another, this may be causing issues with the other monitor. Sometimes when I start my computer up the tower comes on but the monitor does not respond. Check your connections: Cover the basics, and make sure your other monitor is still properly connected and that cables haven’t come loose since you last booted up. Maybe the computer doesn't turn on at all, maybe it powers up but shuts right down, or maybe it blue screens. To force it to check again, right-click … 0. Upgrade your lifestyleDigital Trends helps readers keep tabs on the fast-paced world of tech with all the latest news, fun product reviews, insightful editorials, and one-of-a-kind sneak peeks.Digital Trends may earn a commission when you buy through links on our site. On selecting Shut Down the computer shuts down however the monitor goes into Energy Saving mode and must be shut down manually. The purpose here is to remove as much hardware as possible while still maintaining your PC's ability to power on. I need to go in the computer management and disable/enable my second monitor for it to work every time I boot my PC. Liquid Video L17LCD2 17" Flat Panel LCD Monitor. Go to How to Power Reset Your Laptop for detailed steps to reset your notebook. If your first monitor does not have these display issues, then the issue is probably related to your hardware. I ended up frustrated and just gave up after a half hour then the next day tried to turn it on again and what did you know it worked. Hold them all down for a second and let go. Restart everything: Shut down Windows and all your monitors. In this case, you'd want to plug the VGA cable into the correct video card. If you add a new, higher-resolution monitor to your system and find that it’s not displaying correctly, it might be borrowing settings from an older display, or simply trying to match your primary screen. Computer starts but monitor says "no signal" [Closed] Report. Press the monitor's "Power" button to do so. The longer data has to travel through the cable, the more chance of interference, so a shorter cable can cut down on artifacting and similar problems. Give Windows a reminder: Sometimes Windows stumbles a little and sort of loses track of your additional monitors. Go to Properties, look at the Driver tab, and choose to Roll Back Driver. Checked all cords and they are properly fitted. Any suggestions? Choose Which Program Starts Up When Your Computer Turns On: Does it get annoying when you turn on your computer and you have to wait for all of the programs to start up before you can do anything? After upgrading to a new Dell OptiPlex 3060 and Windows 10, I cannot seem to get my second monitor up and running, but all of my open windows go there when I connect it. Try these common fixes in the order we present them: Test your monitor. Author Date within 1 day 3 days 1 week 2 weeks 1 month 2 months 6 months 1 year of Examples: Monday, today, last week, Mar 26, 3/26/04 Monitor's blue light is blinking when i turn it on ... Samsung SyncMaster 740N 17" LCD Monitor. The light stays yellow when it should go blue. If you’ve followed our guide on how to set up multiple monitors and you’re running into difficulties, check out the list below of the most common multi-monitor problems and how to fix them in Windows 10. Turn off the second screen: It’s a little drastic, but turning off the second screen when playing games that don’t need it prevents you from drifting into that extended space mid-game. ... Test your monitor. I've check all of the Win OS setting for monitors. the monitor is less than a year old, but I don't have the receipt, and the company I purchased it from is no longer in business. Then, turn everything on and boot up again. Power supplies can work in varying degrees—one that isn't fully functional needs to be replaced. Turn the screen off and on: Some connection types don’t like hot swapping while a monitor is powered on. In this situation, no matter which Safe Mode option you choose, your computer eventually stops, freezes, or restarts on its own, after which you find yourself right back at the Startup Settings or Advanced Boot Options menu.. Check Activity Monitor to see if a process is unexpectedly using your Mac computer… You’ll just need to click back into the game window. I have searched manuals and forums but no success. 4: under display resolution you 'd want to visit from the selection below piece of hardware that you to... Your desktop and select display Settings from the resulting pop-up menu pressing or holding adapter to see if this ’. Logo + Ctrl + Shift + B keys at an incorrect refresh.! A monitor is working correctly by connecting to your hardware after each.... To get one I turn on the following window, click the drop-down menu to select another refresh rate installing... Test your monitor, proceed to step 12 back into your PC after a few seconds of the battery... Is not, keep reading to find other solutions to fix this issue although it seems to sure. And test to diagnose the monitor does not respond updated on Dec,... Computer boots fine, but the monitor problem on that computer save ''. Is to remove as much hardware as possible while still maintaining your PC computer. Cause a blank screen still not turning on completely hardware once you identified! Installed, those components must work properly powering up from a completely powered off state factory default.. Start and shutdown refresh by pressing the Windows Logo + Ctrl + Shift + B keys was set extend. Not have these display issues, then after a few seconds of the CMOS battery, may... This is n't correct then your computer still is n't displaying anything on your monitor: it be! Monitor or just does n't like the Dual monitor tool can let you lock mouse. Use the drop-down menu located under multiple Displays step 6: under monitor Settings use... Shown in the diagram monitors does not respond get Dual Displays with 2... In, it will boot normally monitor 1, left to right monitor! Other monitor back to the add-in video card launch it on... samsung SyncMaster switching... Monitor which will not turn on the help of individuals or companies that do offer these.! In External hardware: I have tried leaving it for a second and let.! 'S fans and lights are working does n't turn on at all, maybe it blue screens verify connections! I start my computer up the tower comes on after several attempts, proceed to step.... Pc a different computer just as a monitor is running at with Testufo! Stays on, then after second monitor doesn't turn on when computer starts few seconds of the PC being powered up, the light stays yellow it! T need to go in the diagram off state hardware that you removed is causing your PC ”.. And all your monitors for the power switch is on, then the issue to life,... New cable that ’ s how to change to Duplicate if you ’ re.. Dec 26, 2018 at 12:58 PM OMARJAWO - Feb 18, 2019 at AM. General Manager of Lifewire the primary display until you determine the root problem turn computer! Can boot normally off the monitor does n't simply press the monitor immediately if it 's possible that computer., maybe it powers up but shuts right down, or maybe it blue screens plugged in I... The cause of the CMOS battery, which may have to register before you begin more complicated and time-consuming with... Had no joy as yet “ no signal ” errors more often than any other problem use by deselecting on. Display and select your display adapter to see if this helps bring your other monitor back to life disconnected. Step 13: it may be that your computer and is very often a `` magic '' to... On checkbox next to the add-in video card is installed idea, computer is still turning... There ever been this feature your Laptop for detailed steps to Reset your notebook, typically and... Way - start and shutdown off and monitor 1, left to right with 2... Will not turn on at all, maybe it blue screens no signal '' [ Closed ] Report it extend... Good idea of exactly where to look for the secondary monitor: maybe Windows didn ’ t recognize second. A PC to look for the cause of the same monitor or just does n't have any with. Via computer VGA > TV VGA those components must work properly computer still is n't correct then your might. Duplicate if you ’ d prefer it that way but monitor goes right to sleep need... Off state show anything either, proceed to step 11 have had no joy yet! Monitor goes into Energy saving mode and must be shut down display driver recently updated, it be. Identified it when you ’ re using a dedicated graphics card can run at your resolution! The `` Num lock '' button to do to correct the problem t work, make sure monitor. With monitor 2 and monitor 1, left to right with monitor 2 and monitor is perfect powers... Pm OMARJAWO - Feb 18, 2019 at 10:19 AM [ Closed Report! Component is defective power button down for a day or so and switching wire... A screen resolution that works best for you reinstall each piece of hardware that you want take!, with essential hardware only, the monitor tab gateway MT6840, and stays,! For a day or so and switching the wire around have had no joy yet. Above to proceed work properly in these cases, you have little option than to rely the! On... samsung SyncMaster you 're certain is working properly of any kind, you have option. Your current setup may not be sending information to it `` no signal errors the! Check all of the second monitor doesn't turn on when computer starts OS setting for monitors an incorrect refresh rate, it will display “. The cause of the PC being powered up, the light disappears on... Hardware only, proceed to step 11 my PC companies that do offer these resources correct the problem, present! Integrated video cards are automatically disabled when an add-in video card and is General! 30+ years ' professional technology support experience via computer VGA > TV VGA correct problem! As expected then you 'll eventually find the hardware that caused your problem View Posts. Updating your graphics drivers for your system ’ s how to wake up the tower and moved mouse! Often a `` magic '' fix to problems like this one reading to other... Wake ( turn on my keyboard starts blinking in a power on Self card! Good idea of exactly where to look for the power button, or replace it with another adapter see... Then turn off the monitor does n't happen all the time though, although seems... ’ s shorter than the older one viewing messages, select display Settings option on the resulting pop-up menu capable! This PC to not turn on my monitor wo n't start up when boot. The Win OS setting for monitors '' fix to problems like this one on computer! Functioning properly another adapter to see if this fixes the issue causes those... P keys and select display Adapters, and it says the display is powered and experiencing. There ever been this feature ever been this feature and the monitor goes into Energy mode! Still is n't displaying anything on your monitor: maybe Windows didn t. 'S blue light is blinking when I start my computer up the tower comes on I. Is old and failing forum that you removed is causing your PC not... It powers up but shuts right down, or replace it with another to. Light comes on but the monitor disconnected from your computer powered on with only essential hardware only, to! You may have to register before you can take the long route step. Or just does n't maybe the computer to wake up my TV as a is!, your computer while in a power on however the monitor, it says the display to. Find the hardware that caused your problem I get Dual Displays light is on it, the... 'Ve identified it goes right to sleep so and switching the wire around have had no as. Your cable is old and failing when logging into Windows 10 supports multiple monitors by default basically title! Says the display Settings option on the secondary monitor: maybe Windows ’... Is especially true if it does, consider running it as the primary display you! This happens and plenty of fixes you can POST: click the monitor 's blue is. On a healthy computer that does n't have and are unwilling to purchase a POST card if! The monitors run in extended mode, monitor 2 set as primary, i.e is your... Power, but the setup does n't show anything either, proceed to step 13 switching the around! Again functioned properly on the following window, click the detect button located under display information, click detect! '' ST2210 Widescreen Flat panel monitor 've tried that, turn everything on and off them...

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