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How to solve “no HDMI signal” from your device

The “no signal” issue when connecting devices via HDMI is a common issue. Due to this, there are some easy ways to avoid this error.

‘no HDMI Signal problems are common TV set The problem most people have encountered. Usually very easy to solve It rarely indicates a serious problem. This is great news. There is a 99% chance that you don’t have to replace your electronics. What are the drawbacks? It’s a very frequent problem that some people can literally get it every time they turn on a particular device.

HDMI is unique compared to many previous connection types because it combines audio and video into one port. The cable itself, which is the result of a joint effort by a group of major electronics companies (including Sony, Philips and Toshiba), is actually just a DVI cable that contains wiring for audio transfer. HDMI is powerful (at the highest level, DisplayPort is the only high throughput audio / video cable) It’s convenient because it’s everywhere.. Its simplicity was a major factor in facilitating the process of adopting HDTV in most homes.

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However, the complex part of HDMI is the license. HDMI uses an encryption method called HDCP (also known as High Bandwidth Digital Content Protection). The purpose of HDCP is to prevent the signal from being routed elsewhere. Therefore, this is essentially a piracy countermeasure mechanism. HDCP works like online encryption in that it performs key exchanges on whatever source device (game console, Blu-ray player, Roku, etc.) and display. This checking process is often referred to as a “handshake.”Most HDMI “no signal” problem The result is that the handshake didn’t go well.


What to do if HDMI is not working

If the handshake does not work properly Certainly not just the cables are loose, There are several simple solutions to the problem. Almost all of them are different ways to get the two devices to retry the handshake. For this reason, the main solution (and always the first thing to try) is to disconnect and reconnect the HDMI cable from the source device. This is an unwieldy troubleshooting method, but it restarts many important processes and often the handshake is successful.

If that doesn’t work, the next thing to consider is to change the boot sequence. Therefore, if you turn on the display before the HDMI source, Try turning both off and then turning on In reverse order. This is a very common solution for anyone connecting an HDMI source to a home theater system or audio / video receiver. In many cases, the order in which these devices are powered on determines the success of the handshake.


If neither solves the problem, one of the last and most common things is to check the resolution setting. Most TVs are smart enough to adapt to any resolution within their capabilities, but some devices that send video to the TV can be annoying in that regard. This is a big problem for PCs, for example. This is because the PC can usually output video. Various resolutions Than Apple TV or Roku. Therefore, if your output device allows you to manually control the resolution of your display, consider setting it to automatic or choosing the highest resolution for your TV. If none of these resolve the “no HDMI signal” issue, there may be a problem with the cable or device port. In other words, it needs to be replaced.


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Source: Sony

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How to solve “no HDMI signal” from your device

https://screenrant.com/hsmi-no-signal-solve-fix-how-to/ How to solve “no HDMI signal” from your device

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