There can be instances when your TV keeps losing signal or does not display any output. The HDCP is an anti-piracy mechanism that aims to protect digital copyrighted content as it travels from a device to a display. The HDMI Handshake is the process in which both, the source and the display recognize each other and determine that they are authorized to transfer the high bandwidth HDMI signal.
There are many reasons responsible for the HDMI handshake issue like poor connection, bad connectors, connecting devices that support different HDMI standards, differences between the video resolutions of two devices, and more. These hacks will also help you clear out the HDMI handshake issues. Plus, if the HDMI cable is not working on a display like a monitor, this troubleshooting guide will help you fix those issues too. Disclaimer: Proceed at your own risk, TechieTechTech will not be responsible if anything goes wrong with your device.
Therefore, you must check if the output settings are set to HDMI or not. Therefore, you must change the video output format of the connected device to fix this issue. You can refer to the instruction manual or contact the manufacturer of the device to assist you on how to change the video output format of your media device.
To be on the safer side, you must reconnect the HDMI cable properly. Besides this, you can also try out reversing the turn-on sequence of your devices. For example, if you often turn on your TV first, followed by the connected devices, try to reverse the sequence. That is, turn on the secondary devices first, and then your TV. This can also help in eliminating HDMI handshake issues. In case the HDMI cable is working properly, switch back to the previous port and see if it works for you now.
In such a case, you must contact the manufacturer to fix this issue. When you turn off an electronic device completely and then turn it on again, it can recover the device from an unresponsive state. It will re-initiate the set of configuration parameters of the device. Also, this is one of the easiest methods to fix HDMI handshake issues.
Therefore, make sure that you do not skip this step. Now, check if your HDMI cable is working or not. Apart from the breakage, bends, and exposed wires, an HDMI cable can get damaged internally.
If the cable is very old or unable to function properly, you would face such HDMI cable issues on your device. However, there are instances where you can run into a problem. Only after exhausting all of the options you can try yourself should you call a tech or return to the store. For further troubleshooting and to better understand how your equipment is behaving, consider using these helpful J-Tech Digital tools. Please note that your cabling and connected devices will need to support your desired resolution and refresh rate.
A great tool for determining your devices capabilities and diagnosing system issues. That is a great tip especially to those new to the blogosphere. Simple but very accurate info… Thanks for sharing this one. A must read post! But when connecting Windows laptop in this case, Windows 8. The laptop itself would recognize that there was a second display and even the correct manufacturer name of the display , but nothing would get projected.
Once I replugged the cable in, the image disappeared again. Now it does not work at all. I spent hours with Microsoft tech support, with them remotely logged on to my pc, and they tried several things, only to decide that the fault is with my hardware!
Any suggestions? I have a similar problem with my pc and an GTX Got back from holiday, my pc must have updated and now the HDMI is totally inconsistent.
It might be hardware but it seems like it might be software…. Try rolling your driver back to a previous version that dates back to before you left for your vacation. Usually updating the drivers for your graphics card can address this issue.
You must be logged in to post a comment. For those of us who jumped on the home theater bandwagon, HDMI technology itself has helped make it easy to connect multiple devices. The rich sound and beautiful images relayed through these cables make them the overlooked heroes of the home theater system.
However, when an HDMI cable goes bad, it can bring your entire home theater system to a screeching, or blurry, halt we actually have another article on this as well.
Because of how important your HDMI connection is to your home theater system, knowing which issues are most common as well as the solutions is essential. Not only can you save money on not buying a new cable with every issue, but it can help you quickly identify potential issues and quickly have your home theater back up and running.
The best way to avoid any of these issues is to use a high-quality HDMI cable. A lot of times, people think a cable is just a cable, however, using a low-quality HDMI cable can lead to issues in the future.
Introduced to electronic consumers in , HDMI has continued to evolve to meet the needs of an ever-changing industry. HDMI 2. Announced in , yet still years away from full production, HDMI 2. But what does all of this mean to you? HDMI cables relay both audio and video signals between your connected devices, and there are many accessory devices that assist them like couplers our guide and more.
This means you no longer have to have separate cables for sound and pictures. In other words, HDMI cables relay copy protection data, component types, capabilities and restrictions between your connected devices.
This allows you to use one remote to control the basic functionality of up to 15 connected devices. It is considered an asset to your entertainment system, if not your entire home theater set up. First, you should check to see if your device works when connected through a different HDMI input port on your television, projector or receiver. Some output devices have multiple HDMI ports too, so you can always check those as well. If all devices work, you are on the right input, and the picture or sound still does not appear, you may have a bad HDMI cable.
In this case, you will likely need to simply replace the HDMI cable. Technology has grown more robust. HDMI technology, in particular, strives to provide flawlessly beautiful pictures and sounds. However, that does not mean issues and problems do not pop up.
Knowing what may be related to a bad HDMI cable can help you easily identify a solution. Some of the most common HDMI issues include:. In many cases, just checking to ensure your HDMI cable is entirely inserted into each connecting device can eliminate issues.
If you note any frayed or exposed wires, your HDMI cable may have become damaged and will need to be replaced. Below, I talk in-depth about certain issues you may need to troubleshoot more to correct. However, you should always check your HDMI cable first to ensure it is fully connected to both devices. This will help to eliminate the majority of fixable issues associated with an HDMI cable.
HDCP, which was developed by Intel Corporation, attempts to prevent consumers from copying distributed media, such as movies, video games, and broadcasts. Blu-ray, for example, heavily relies on HDCP technology. If your HDMI connection is not secure or has become damaged, your home theater will suffer for it.
Going beyond 4K technology, HDR provides images that are subjected to a much broader color range. This provides viewers with much more detail as the expanded color potential offers them a larger scale with which to depict even the smallest nuances.
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