samsung monitor not detecting hdmi

Why is Samsung Monitor Not Detecting HDMI? Basic Guide

Are you facing a problem with your Samsung monitor not detecting your HDMI cable? Don’t worry, this article is for you. This article will discuss the possible causes and solutions to this common exact issue. We will also provide a guide on troubleshooting and fixing the Samsung monitor not detecting HDMI problems.


HDMI is an interface used to connect your external device with a Samsung monitor or TV. It supports video and audio transmission and digital 2D/3D mode support (separate display modes).

Benefits of HDMI

– Support for digital audio and video signals

– Provides a way to connect multiple screen displays through one cable. (Up to 5 HDMIs can be used simultaneously)

– Provides excellent display resolution and detail, compared to other analog transmission methods (VGA/DVI/Display Port mode)

– Easy way to connect your Samsung TV with a monitor or projector wirelessly via HDMI interface. It will cost you less money than buying an adapter.

What are the Reasons for Samsung Monitor not Detecting HDMI?

– Audio/Video cable is not fully inserted in the audio/video port on the monitor.

– Plugged audio cable into the incorrect port, such as video only jack of audio jack that you have used for your power cord, or HDMI1 and HDMI2 jacks may be connected to different ports but are set together to operate both simultaneously – Inflexible pin type settings(HDMI), Not enough power (DVI), etc

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– Video output not supported by the connected devices (Display Port or DVI cable/port)

– Monitor might be networked and not receive the HDMI signal from a monitor again.

– The display you have connected to requires an HDMI cable of higher resolution quality. For instance, 4K desktop displays require High Speed and Full-DVI cable or Display Port cables.

Steps to Fix Samsung Monitor Not Detecting HDMI

This section will show you how to fix the Samsung monitor not detecting HDMI so that your device will be working again. Modern gaming consoles and monitors are released with 4k resolution, which provides smooth image quality for 4K ultra HD TVs.

There are 7 steps to fix the Samsung monitor not detecting HDMI, which are as under:

Step 1.

Plugging in the HDMI cable properly is important. Make sure that it’s 100% connected to your TV and monitor. If you face any problem with the connection, read our troubleshooting guide on How to Connect an HDMI Cable Safely.

Step 2:

If possible, try using a different HDMI type: Try using another video cable for connection between the set-top box and Monitor/Set Top Box [HDMI CABLE].

1)Check the cable for any defects.

2) If it works, use the same type of HDMI to connect the above two (set-top box and monitor).

3) For example, you can try using a DVD/Blu-Ray player instead of an AVR(HDMI AV receiver unit).

Step 3:

Forcing Plug & Play is easy – turn on your PC or TV. Once Windows has detected your device successfully, set any security features to allow it. Don’t forget that you can always try using a different HDMI cable even after following the steps above for connecting your Samsung Monitor to HDTV or PC.

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Step 4:

The power button off and restart network devices such as TV, AV Receiver [HDMI CABLE]. Restarting the NVRAM chip may resolve this problem of the Samsung monitor not detecting HDMI. The input/output port settings are stored in the devices ON board [HDMI CABLE].

Step 5:

If all steps are correctly followed, try restarting your TV and NVRAM chip. The Reset menu button on each set-top box can be used to reset both set-top boxes back to factory settings, which will help you troubleshoot this frustrating issue further.

Step 6:

Before moving any other components, make sure that HDMI is connected between your monitor and TV. Disconnect HDMI if you could connect them successfully before moving anything else on the set-top box like AVR, original or replacement of Set Top cable Box [HDMI CABLE].


There is a possibility that Samsung monitors with different resolution advanced display settings may not be detected properly. However, it’s better to use the same settings when connecting two devices (e.g., Full HD 1920×1080 and 1920x1080p).


Why does my second HDMI port not work?

This can be a frustrating problem to deal with, as it can often be challenging to troubleshoot and resolve. The first step is to ensure that all components are properly connected and that there is no external interference. If everything seems okay, the next step is to check that the HDMI ports are set to the correct input. This can be done by going to the device’s display resolution settings and looking for an HDMI display icon that indicates the port is in use. If the port still does not work, it may be necessary to contact the manufacturer for help.

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How do you connect an HDMI computer to a VGA monitor?

There are several ways to connect an HDMI computer to a VGA monitor, but the most common technique is to use a cable adapter. This adapter has one end designed for an HDMI connection and the other end designed for a VGA connection. Simply plug the adapter into the HDMI port on the computer and the VGA port on the monitor.

Why do some monitors have 2 HDMI?

One HDMI is sufficient for most displays, but some monitors have two HDMI ports to send higher-resolution video and audio to two devices simultaneously. For example, a monitor with two HDMI ports can simultaneously send a high-definition (HD) signal to an HDTV and a 4K Ultra HDTV. This is useful if you have a gaming system and a projector or if you want to use the monitor as a second display for work or home entertainment.


If you are experiencing the same issue with your Samsung monitor not detecting HDMI, follow these simple steps to restore the connection and get your monitor working as it should. Aside from that, it’s also important to know the reasons why this might be happening so that you can fix it as soon as possible.

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