Running an outdated graphic driver could also cause your Windows â¦ Reseated all my ram sticks and gpu and it worked. Accessibility. You may also move the mouse to wake it up. It def sound â¦ This fixed my problem but I feel like my pc is slower and I just built it. @rik_dantas. Way 1: Fix HDMI Monitor Not Working on Windows 10 from Display Output Settings, Way 2: Update Graphics Driver to Fix Windows 10 Does Not Recognize Second Monitor, Way 3: Use Hardware and Device Troubleshooter to Fix Monitor Not Detected by PC. Page 1 of 2 - PC boots, shows bios, but "no signal" when going into Windows - posted in Windows 8 and Windows 8.1: The computer boots up, I can access the â¦ Question: Q: No HDMI signal on Mac Mini after reboot or wake up with High Sierra. Considering the thread is about no monitor signal after startup, just wondering how you changed the settings in Windows if the display wasn't working? I've tried everything mentioned in that question but haven't succeeded. So just today, I have this problem where my monitors does not display anything after start up. My monitor would intermittently show the desktop but then go black with the words "NO SIGNAL" and a few seconds later the monitor followed by going to sleep/powered down. This change in power options has worked for me. Are you getting post beeps on startup ? I had the exactly same problem after installing a new motherboard. â¦ You didn't say if you tried your monitor on a different known working PC to check if it worked OK, a different known working monitor or a new monitor cable or even a different video output signal type (if available) e.g. I am stumped as to what the issue could possibly be. Let the PC go to the blank screen as normal and press the Windows Key + P a few times with a few seconds delay between presses. So even if you boot on the Startup Manager, there is no video. Have you checked that the CMOS battery is OK? Usually they are non rechargeable 3V DC coin cell batteries. Tried a new motherboard - no signal. Some said the HDMI monitors display no signal while others reported it not working at all. HDMI, vga, DVI, DisplayPort, etc between the motherboard and the monitor. What is the motherboard make and model and what OS is installed on the HDD? I'm running Windows 10 and if I'm getting into bios or safe mode I can't see it. -unplugging everything from the Power Supply and replugging. Type âcontrol panelâ in search box and click it to open. Select the âHardware and Devicesâ option from the list and click âNextâ to run the troubleshooter. I tried everything I could think of and all the tips I found online; to list just a few: updating my BIOS, reinstalling Windows 10, changing from DP cable to HDMI, reinstalling all my drivers, reinstalling just graphics drivers, plugging and unplugging my Nvidia graphics card several times, cleaning/vacuuming every single component (my comp is as clean as a whistle - looks brand new, trying all kinds of combinations in BIOS settings, etc - nothing worked. The BIOS still shows, but after that, nothing. if not try unplugging from power and holding the power button down for roughly 60sec then plugging in and rebooting. Hereâs the Fix? I tried a different GPU and no signal either, which I had to return. I would turn on the CPU and everything runs fine (fans, power supply, etc) but my monitors stay undetected as if my computer was never turned on. At that point I felt very confident it was the PSU so I ordered and installed a new one and the monitor and computer are both working like new. -removing and reinserting my PCI and my graphics card, -resetting CMOS through the jumper switch and battery. HDMI, vga, DVI, DisplayPort, etc between the motherboard and the monitor. Also you mentioned you've disconnected the power and that you've held down the power button for extended periods . OS: Windows 10, Adapter: HD Graphics 620. Sometimes all a computer system needs is a little jolt in the form of restarting and reconnecting the device. -This is what helped me, after 2 hours constantly looking for solutions. Check if the monitor power cable is plugged in and or video cable (eg. 11/14/2018 by Voila, problem solved! And here is how I SOLVED IT! Jackie Lombardi, And for more clarification, I tried 3 different HDMI cables on my monitor and I still got no signal. Donât forget to arrange them before you start using them. If you still have any questions or suggestions, contact us by commenting below. Have you tried starting in "safe mode" to check if you get a display or not? No issues for weeks now. Hit âEnterâ and click on âTroubleshootingâ tab. So, I went to Control Panel/Power Options and under "change setting that are currently unavailable" turned off the fast start-up. New CPU - no signal. You can go to âDevice Managerâ to check the status of the display drive and update it. Use a full UEFI booting strategy and dump CSM if at all possible. I swapped everything, mobo, psu, monitor, gpu, cpu bios update etc.. all of it and was still experiencing this when the system needed to auto reboot, for an update for example. depending on your motherboard you could try resetting the mem button common on Asus boards. I'll make sure to post this advice on as many message boards I can to help other miserable souls like myself. Expand the category âDisplay adaptersâ and right click the monitor you want to update drivers for, select âUpdate Driver Softwareâ. Rob Weaver. When the hdmi port from my vid card is connected to my monitor, there is signal during the BIOS boot process, then I see the windows icon and about 2 seconds of the loading spinny wheel, then the screen goes black and no signal. I'm guessing there is was kind of incompatibility between my motherboard and this particular Windows setting. SuperDjPhill. I installed Windows 10 onto my Samsung SSD which all went well. ... Once the desktop is shut off it display a message that says HDMI no signal and then PC no signal. harisuryadev miriyala, I too have same problem but today morning i just pressed f8 and started startup repair and my computer restarted and says no signal. If your motherboard has an onboard graphics card you might want to try unplugging your PCI-E graphics card and plugging a monitor into the onboard graphics card. @dtfuller. August 2015 in Aspire, Veriton and Revo Desktops. So it looks like the issue is more closed to a Firmware issue than to an OS issue. Bought different ram - no signal. Ok for me when I power on my pc for the first time, no signal comes to the monitor but when I do it a second time it comes on.