Why are my 2 monitors not being detected?

Why are my 2 monitors not being detected?

When the desktop or laptop does not detect the second external monitor, it could be a problem with the software, but it might also be an issue with the physical connection. Confirm the monitor is connected to a power source. Confirm the monitor is turned on. Turn off then turn on the computer to refresh the connection.

Why does my second monitor say no HDMI signal?

Although getting no “signal” to your new monitor can be cause for concern, it’s arguably the easiest problem to fix. It simply means that the display has power, but it isn’t receiving visual data. To force it to check again, right-click the desktop and select Display Settings from the resulting pop-up menu.

How do I fix HDMI 2 no signal?

Follow these steps:

1. Unplug all TV/monitor from the HDMI ports.
2. Unplug the power cable from the TV or monitor for about 10 minutes.
3. Plug the power cable back in the TV or monitor.
4. Plug one device to one HDMI port of your PC.
5. Turn on the device.
6. Repeat steps 4-5 for each device and HDMI port.

Why does Ubuntu not recognize the HDMI port?

Closed 4 years ago. I am running Ubuntu (elementary OS) connected to a normal monitor which works fine. I am now trying to connect it to a TV through HDMI port, but the TV is unable get any signal. Please help me out.

Why does Ubuntu not detect my second monitor?

Hi i updated from Ubuntu 18.04 to 19.04 and it seemed like it was working perfectly, but after a couple of restarts I noticed that my second monitor it’s just black and can’t be detected by settings. I really looked into multiple log files and tried a bunch of things but I really don’t know what to do.

Why does my laptop not recognize an external monitor?

I use two 1080p external monitors one connected to the HDMI port and one connected through a USB-C hub. All 3 monitors worked before installing the Nvidia driver. I installed the 440 driver and after that the laptop would not recognize the monitor connected via the HDMI port. It was like the HDMI port didn’t work any more.

Why is my external monitor not working on Ubuntu 18.04?

GNOME 3.28.2 My external monitor plugged into my Lenovo L380 HDMI stopped working on Ubuntu 18.04. I succeeded to fix this issue by opening the BIOS setup and changing the display priority option from the USB Type-C to the HDMI. I attempted the solution that says to reconfigure to lightdm but that did not seem to work.