Ubuntu no signal to monitor. My laptop connected without any problems to a VGA monitor earlier this day (sadly I was just testing it out, and have no access to that display). Jan 2, 2021 · My ubuntu has been acting a bit strange anyway so I decided to reinstall the system, this time it's an Ubuntu 20. Now if I turn my monitor (SWEDX display) off or it goes to sleep, and I turn it back on I get ‘No Signal’. In this article, we will look at various solutions for solving this problem. I'm very new to all this linux stuff. When the splash screen has ended, the monitor receives no more signal and goes to sleep again. Here is a link to a video that made which shows exactly what is going on. Hi, I am installing Ubuntu 22. Refresh Device Display List. We find this happens more with TVs/Smart TVs than monitors. Jan 24, 2019 · When I start the computer and I click F8 to bring up the menu to select what I want to choose. pv - Pipe Viewer - is a terminal-based tool for monitoring the progress of data through a pipeline. 3/Ubuntu 20. Aug 8, 2023 · If I start the PC with old monitor then disconnect it and finally connect the new monitor it will show black screen for a longer time but still go back to "No HDMI cable". Had the same issue, no HDMI or monitor detected after installing Ubuntu 18. " I've done some searching around and tried light-locker-settings, but that repeatedly failed after I even attempted repairing the py files. I have searched for some answers and found this thread. Now I've moved the Pi to my office, bought an LG monitor (24MK430H-B) and it says that it has no signal. Jun 15, 2017 · I have Ubuntu 22. May 3, 2024 · After upgrading from 23. The video card has 3 Displayport outputs and 1 HDMI. Did not select any option and quit installation from this point and powered off. 2 LTS on my new Dell laptop. The computer goes into standby, the monitor automatically shuts off. I went to check on it this morning after leaving it on overnight. 0 Host bridge: Intel Corporation Device 3ec4 (rev 07) Subsystem: Hewlett-Packard Company Device 842a Flags: bus master, fast devsel, latency 0 Capabilities: <access denied> 00:01. So I have to restart the computer WITH the monitor connected, and the monitor's back! I think the computer/linux kernel doesn't detect the monitor plug-in event. 04 but still no success. 3 LTS Release: 20. Install pv and put it between input / output only dd commands. I have to unplug the HDMI cable and plug it back in every single time for it to get recognized. Aug 2, 2012 · The Raspberry pi, Powers up, The green ACT led flashes for 20-30 seconds Before it "quiets down", No signal from my monitor, No signal if connected to the TV (The KNCMiner does output to that TV so there should be no incompatibility issues) The powerbrick has been changed between different ones, Modified D-Link powerbricks 5V 2A, the latest one Aug 1, 2020 · Check Monitor Resolution. Apr 7, 2020 · I am also running a 3440x1440p ultrawide monitor connected via display port- 21:9 aspect ratio, tried also running at 1920 x 1080p, still going blank, also reduced refresh rate to 30hz and still going blank and showing no signal. Disconnecting the monitor also worked as expected, and the system would reconfigure for single monitor mode. The monitor is always detected and works great when I plug it in after a fresh boot. After downgraded to nvidia-435 driver, the problem didn't solve for me. It puts a halt to all your plans and leaves you stressed beyond belief. Every 10 seconds or so the monitor will say it's trying to find a signal as if it knows something is connected to it. From the package description:. Jul 30, 2023 · My second monitor detects the signal but suddenly laptop gets back to primary monitor. I mean, the external monitor is recognized correctly and all that, but it says there’s “no signal” from the HDMI cable. Although it gives option to Save changes or Revert, but that's of no use. 00* Oct 2, 2017 · However, the monitor keeps saying "no signal" and therefore goes to power-saving mode. Mar 27, 2021 · I'm using Kubuntu 20. Sep 23, 2022 · In my case I ran the following commands and then reboot, and second monitor was detected. I've tried disconnecting and reconnecting the hdmi plug still no output on my monitor. Aug 17, 2021 · Hello I bought a new desktop PC with an Intel Core i3-3220 and 8 GB ram. xrandr --query says that DP-1 is disconnected. I am using a HDMI to VGA adapter which I tested seperately and the display is working fine with other CPUs. If you are using a monitor that is not supported by Ubuntu 2. I've installed the driver i915 and Ubuntu detects the monitor, but I get no signal output to my monitor when I try to power it up, my screen just keeps blinking as if the monitor was getting connected and disconnected consecutively. To make sure my RPi4 is not damaged, I installed the Raspberry Pi OS and that worked as expected. 04 live USB has been the only distro that managed to light up the monitor and let it show anything. All I need is a bash shell to show up on monitor at boot. xrandr also seems to see it: Apr 10, 2021 · The monitor keeps saying "no signal" and therefore goes to power-saving mode. 10 to 24. I thought maybe you could help me out. 7 and all are working Jul 22, 2023 · I installed Ubuntu 22. 04 Codename: focal xrandr : me@me:~$ xrandr xrandr: Failed to get size of gamma for output default Screen 0: minimum 1920 x 1080, current 1920 x 1080, maximum 1920 x 1080 default connected primary 1920x1080+0+0 0mm x 0mm 1920x1080 77. I've also have updated and upgraded everything so its fully up to date. If your PC’s graphics card is set to a display resolution above what your monitor is capable of displaying, you’ll likely see a blank screen or a no signal message appear. As you can imagine this is highly annoying. A message "HDMI no signal" appears on the monitor from time to time. When the computer is locked, the monitor is blank. Personally the recommended one (nvidia-520-open) crashed my computer so simply use: sudo apt install nvidia-driver-520. While the computer is awake, I can unplug the hub, plug it back in, and the monitor will come back up. Powering on and shutting the lid with HDMI will make the screen work but then opening lid will make the laptop screen not work and stay dark (so it's not the issue with monitor/cable). xrandr while the VGA is plugged in: Nov 19, 2021 · Input Signal Out of Range — Indicates the monitor does not support the input signal on the video card, because its resolution or refresh rate is set higher than the monitor supports. Any help is greatly appreciated! Ubuntu monitor detected but no signal: How to fix If your Ubuntu monitor is detected but no signal is being displayed, there are a few things you can check. Feb 8, 2021 · Every Linux distro out there should work out of the box when connecting it to an external monitor. I’ve seen people posting stuff about changing an nvidia-sleep. What I tried to no avail based on other askubuntu answers: Reinstall nvidia drivers with sudo ubuntu-drivers autoinstall. Moreover, the external mouse and keyboard failed, and the monitor lost signal again after staying on the user selection interface for a while. I have also tried disabling wayland, but issue still happens. After restarting, it gets stuck in the user selection interface. The desktop has no additional graphics card besides the Intel Integrated HD Graphics: UHD Graphics 630 (Desktop). It doesn't seem to be a hardware issue. . 04 with 5. Jul 20, 2023 · 6. Pressing buttons on the keyboard does not make the monitor show any information from Ubuntu. Aug 12, 2019 · Check Monitor/TV compatibility and settings - (also see the next item) Some TVs and monitors won't display a picture from your Raspberry Pi out of the box - you may need to check your TV resolution and/or change settings to make it work. I don't see anything that looks relevant to my untrained eyes. If I plug the monitor in through the HDMI port it shows up in the "Displays" window of Ubuntu at once, but there's no signal on the screen. Apr 3, 2017 · Ubuntu Version: unknown; Alright so the first problem that I am currently tackling is getting the thing to even boot up. Laptop like does not react any way on type-c monitor connected. 04 dual boot with Windows 10. 39. It's driving me crazy. Issuing: sudo vbetool dpms on resolved the issue. I just got a new laptop (Dell G3 15) and installed Ubuntu 20. 04 on a Dell XPS-13 9380 (Intel graphics). 0 PCI bridge: Intel Corporation Skylake PCIe Controller (x16) (rev 07) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0, IRQ 16 Bus The issue with Ubuntu is you need to manually specify in your drivers' control panel that "This monitor needs a signal, here's the specs". It will go to sleep after a few tries, but when I move the mouse or touch a key it tries to look for a signal again. The signal to the monitor stopped working completely until I hard powered off the device and restarted it. 13 kernel (or something like this). Jan 16, 2024 · Ubuntu 20. I don't know what to do. Upgrading to the newest kernel solved the issue. You’re not alone! The no signal message on the screen indicates that the monitor isn’t getting any input from your PC. 04 and the external monitor I've been using for several months suddenly stopped working. Video output remains off when I turn the monitor back on and I reawaken the computer. Of course if you don't have vbetool installed, you'll need to run: Nov 10, 2022 · There’s nothing more frustrating when your computer turns on but has no display. On an nVidia system that I have, I have to connect the monitor, then open up the control panel for the nVidia system, hit 'Detect Monitors', and then I can configure what resolution and other options for the monitor. Reached to step where I had to select one of the radio a. I've tried the hdmi_safe=1 on the config file and no change. Here's how you fix it. Restart your computer for the new settings to take effect. 7. Unplugging and plugging the HDMI cable back in fixes it every time. If I plug in HDMI into laptop the monitor will say no signal and the screen stays dark. Feb 18, 2022 · Sometimes you might turn on your PC but your monitor displays "No Signal" on the screen. Of course if you don't have vbetool installed, you'll need to run: Nov 23, 2021 · I have connected a second screen through VGA, but there is no signal (the 2nd screen is black). The problem is partially solved. A PC monitor has a set range of display resolutions that it can use to display your PC output. 7 or above. Outdated device drivers are another common issue; different displays need specific drivers for connection. 04 and an NVIDIA Corporation GA102 GeForce RTX 3080 video card. Oct 2, 2016 · Method 1: By using pv. Monitors may fail to detect a DisplayPort connection due to an outdated graphics driver, loose cable connection, incorrect device configurations, damaged cable or port, etc. log might have some relevant information: However, the monitor reports 'no signal', displays no image, and otherwise acts as if it was stuck in dpms suspend mode. After putting the computer in standby mode a few times, I was able to access the ubuntu launch options menu from where I was able to boot into recovery mode. After connecting the monitor and powering up the raspy this message shows up on the monitor: Net: Net Initialization Skipped No ethernet found. along side Ubuntu 20. 2 LTS yesterday. I have a dual boot on this machine with Windows 10 running on second partition and there are no issues with the monitor. Fresh Install 2. 04 ( my current ). I've looked at syslog and dmesg. Finally, check your computer's display settings to make sure that the Aug 22, 2024 · The 27" monitor is detected in the display settings, but it shows "No Signal. Jun 7, 2021 · Hello, last friday (4th of June) my drivers were automatically updated to the current version 460. Jul 18, 2020 · I've installed Ubuntu MATE with desktopify on a Raspberry Pi 4, got it running, all this in my LG TV. The secondary monitor is working but wifi is not working. Jun 20, 2023 · I installed Ubuntu 22. 04 and Nvidia driver 510. 04 operating system. The second monitor is not supported by the Ubuntu 2. When I tried to connect with a monitor screen, the second screen failed to detect my Dell laptop but is OK to detect my Macbook. Whenever I try to boot Linux Mint on that, always get the "no signal" notification on my monitor, after showing the grub screen. The BIOS would show the other monitor, and booting into Windows worked fine, which *should* have eliminated a hardware issue. Aug 29, 2022 · This is what happens when the monitor is connected to Ubuntu machine only. 04 I started getting ACPI errors and my HDMI port no longer was working on my newer Samsung laptop. Next, verify that your monitor is turned on and that the correct input source is selected. Force Restart Display Driver. PC Specs . I tried sudo ubuntu-drivers autoinstall, it says "All the available drivers are already installed" Laptop Specs: Graphics: Mesa Intel Xe Graphics (TGL GT@) CPU : 11th Gen intel core i5 Sep 11, 2017 · I just upgraded my motherboard, CPU and RAM, but now when I start the computer the monitor says there's no signal. Oct 29, 2020 · Having the same issue. I would appreciate any hints or help, because this is Apr 2, 2020 · I'm trying to repurpose a TV with an HDMI port as an external monitor. I just got myself a new screen (Lenovo P27H). Next boot of 20. Jun 25, 2021 · DP-1-1 seems to be like there should be connected via type-c monitor. The issue seems to be with the VGA output : the presence of a second monitor is acknowledged, but the monitor displays "no signal" and the Settings app identifies any monitor as "Unknown Display". org related only to ACPI errors but it worked for the HDMI issue too. Upgraded to Linux Mint 20. Oct 8, 2021 · This issue does not happen on other HDMI monitors. Sep 15, 2021 · I have a Dell Vostro 3400 with Intel Iris Xe Graphics and I can't get my external monitor to work properly. The fact is that it actually works, sort of. This was found on linux. To do this, open a terminal and run: sudo systemctl restart gdm. XORG or Wayland made no difference. 04. It comes with USB-C, so I planned to use my laptop (Tuxedo InfinityBook from 2015 running elementaryOS - so basically Ubuntu 18 LTS) with this screen by its USB-C port, so I could charge it, use the second screen as video output, and connecting peripheries to the screen's USB hub, all at once. I have tried all of the recommendations I have seen available online to fix the problem in Ubuntu 22. Oct 25, 2021 · While DisplayPort (DP) holds many benefits over HDMI and DVI connectors, it isn’t perfect. Note: you cannot use it when you already started dd. No other distro succeeded in that, not Cent, not Arch, not even Ubuntu 20. 04 (where I originally had this issue), and eventually upgraded Jun 3, 2020 · Checked Ubuntu updates download and third party software download. Waking the monitor from sleep manually after the desktop is awakened, it will state "HDMI No Signal" and then it will return to sleep. After about 10 seconds the monitor turns of and says "No Signal", just like when it's not plugged in to the computer. 04 multiple screens stopped working. Oct 15, 2017 · I would like to use a desktop "stylish" setup for configuring the network and security settings. I have tried changing the resolution of the second screen, rebooting, etc, nothing is working so far. So no hardware issues. The only way to get the monitor to get an image again is to either re-seat the HDMI cable in the GPU or reboot the PC. Feb 14, 2021 · Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have I don't know if you ever solved this, but if not, hopefully this helps. reboot. sh file, but no Feb 22, 2022 · When I updated to Ubuntu 22. I am pretty sure that the adapter doesn't have a problem because the computer is detecting the monitor. Aug 11, 2024 · but the thing still shows 'no signal' and stays in sleep mode no matter what I do. Type C cable is working, monitor too, tested on another laptops. This was not the case until now. I have an ASUS VE278 monitor that has the HDMI plugged in and it works fine. 1 on an Intel NUC10i7FNH. Jan 29, 2022 · Same here. Jun 12, 2024 · If you’re running into the monitor no signal issue on your PC, you’ve come to the right place! Don’t worry. The external monitor is blacked-out, and when I plug it into my laptop it will for a moment flash a blue screen with message "no signal detected" and then go back to black. Oct 19, 2021 · After a while the screen goes blank and nothing ever pops up, my monitor goes to standby mode. 80 on Ubuntu 20. Normally, the second monitor should work as a charm and you can leave your BIOS to hybrid mode for GPU. So, I upgraded ubuntu kernel to 5. This command will restart the GNOME Display Manager, which is responsible for managing screens and user sessions. " on the monitor. Neofetch output: Nov 26, 2022 · For no apparent reason, since the past 2 days, ubuntu is not outputting any signal to the monitor on boot. Here is the result for running sudo lshw -C video: Apr 25, 2020 · Update Ubuntu Kernel to 5. The following hid the ACPI errors and curiously fixed my HDMI output. None of my motherboards debug LEDs are on. 10; Screen resolution is at the moment 1920x1080 Jan 22, 2019 · The said VGA monitor itself works, as I use it with other devices and it connects fine through the cable. I plug it to my PS3 and the monitor worked fine. Not all monitors are supported by Ubuntu 2. The monitor also works fine when connected to a different (Windows) desktop. System settings can tell that that the monitor is there. And tryed to boot it with the LG monitor Feb 14, 2020 · i have a problem that after I wake my ubuntu 18. When I connect another monitor to my laptop using HDMI - it works, when I connect it using type-c=>type-c (displayport) cable - it does not work. You can resolve this issue easily with the fixes we listed in this post! Fixes to try when your monitor has Nov 7, 2023 · No HDMI Signal! Possible Reasons for HDMI not connecting: Faulty or unsupported HDMI cables, or slow data speed, often cause no signal errors. I am using a cable connecting the VGA port on the Thinkpad to the Displayport port on the monitor. The second monitor is set to a different resolution or refresh rate than the primary monitor. If you keep getting a “No DisplayPort cable” or “No DisplayPort Signal” when connecting a device Feb 21, 2016 · MB is connected with a VGA cable to the monitor; MB has an integrated graphic card (AMD A10 cpu) and no external card; the lcd screen does not have issues with the resolution used but it's analogic, hence no possibility to use DVI (MB has only DVI-D) OS is Ubuntu 15. Drivers act as a bridge for device connections. So I tried updating Ubuntu and kernel to latest version which didn't help at all. I just purchased a brand new Dell 5493 with i7 and Intel Graphics card. Reboot, and it may or may not work the next time. 04 worked normally on the first day, but on the second day, there was no signal on the monitor. The Pi is running on other TVs with HDMI using the micro HDMI cable. However, the display reads "No Signal". The splash screen for Ubuntu comes up with the dots, the dots load up and then the monitor loses signal. I chose my USB drive and the Ubuntu screen shows up. Jun 12, 2016 · Every time I turn my TV off and turn it back on, regardless of time period I get "No Signal. How to Fix a Monitor Connection by Checking Hardware Connections Check to see if th Dec 19, 2020 · I installed Ubuntu 20. Sometimes this works as expected, but more often than not, the monitor connected to the DP receives no signal. Aug 21, 2019 · I am running Ubuntu 19. I connected two identical monitors, one on the HDMI port, a second with DP-HDMI adapter on the DisplayPort (Thunderbolt). So yeah when i installed it works completely fine and then I shut it down and after sometime when I try to power on, my monitor show no signal message and gets in to sleep mode. sudo ubuntu-drivers autoinstall sudo add-apt-repository ppa:graphics-drivers/ppa sudo apt-get update sudo ubuntu-drivers devices Apr 9, 2022 · The issue initially also happened on Ubuntu 20. 04 on my new NUC. What I've done so far is: Mar 19, 2011 · Until some day, after kernel/softare upgrade or messing up some configs, I cannot connect to it through ssh, then I have to plug the monitor back, but the monitor says "No input signal". 04, you may not be able to use it. 04 detected my external monitor :-) Good Luck. May 6, 2022 · Distributor ID: Ubuntu Description: Ubuntu 20. Dec 18, 2018 · 00:00. gpu-manager. However, the monitor reports 'no signal', displays no image, and otherwise acts as if it was stuck in dpms suspend mode. Previous one was working perfectly with the same monitor. May 5, 2022 · Well I can't be sure for now, but Ubuntu's Settings app correctly identifies when I try to plug in a second (and third) monitor. Restarting the display driver can sometimes resolve display issues. The HDMI is plugged in with an HDMI cable going from the computer to a KVM, and another HDMI cable from the KVM to the ASUS VE278. I have tried changing monitors but the issue continues. The fans are running and the power-LED is lit, but there's no signal to the monitor. Jun 7, 2022 · Now you can see the recommended drivers and the name of your GPU. Change your video card settings to a lower resolution or refresh rate. Using incorrect resolution drivers (like Full HD Dec 26, 2022 · So far, Ubuntu 22. I have an external monitor connected to a USB-C hub via HDMI. I was in the same situation today - HMDI monitor (one of three) turns off while the OS is running, won't come back. Only if I unplug the HDMI cable and plug it back in I get back the signal. 04 laptop from the suspend mode, my HDMI monitor, which is set up a the primary monitor in the extended display set up, is not receiving the signal. First, make sure that your monitor is properly connected to your computer. 1080Ti board. My Laptop is asus zephyrus g14. I've flashed the OS again. bet nqnhz ovhbpco ilfjd phbwr acptkt kutf qkju cktwkdoi rbsfv