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HDMI port not working
High-definition multimedia interface (HDMI) ports are typically on all home theater devices. Without these present, HDMI cables cannot be used. An HDMI is an audio/video interface that allows video and data to transfer to and from a computer monitor, TV, video projector or audio device. HDMI has replaced the analog video. Below are the functions of an HDMI port.
Output – HDMI ports send video and audio to projectors, TVs, and video/audio receivers. These types of devices send high-definition content protection (HDCP) which is recognized at end of the cable.
Input – HDMI is considered a shared procedure that needs communication from transferring to and from a compatible device. By doing this, the input from the port is necessary. HDMI ports are linked to the device that decodes incoming signals from the source and allowing data.
Changing devices – Linking multiple HDMI cables can be helpful when using several devices. Every source has a video and audio as well as an HDCP key. So, if ports are connected to a switcher, this can cause the signal to be lost. Switched HDMI ports are being sold, although receivers are equipped with HDMI switching ports.
When connecting an HDMI cable, often connection issues can occur. Below is a list of troubleshooting tips.
Connect the HDMI device directly to the TV to get around the home theater receiver. If that works, the HDMI source component/home theater receiver is often the issue. Keep the HDMI connected to the TV and create a different connection such as plugging the cable into a different port for audio. This may not be the best connection technique but will work either temporary or permanent.
If these troubleshooting tips do not work or are not persistent, check if any updates for the HDMI source is available that can help fix the issue. Also, checking to see if any customer complaints have been made against the device can figure out if this is a common problem.
When using a laptop/PC as a home theater, issues can arise when connecting the two devices. Make sure that the laptop/PC settings are selected as default for the HDMI output connection. In case the image is not showing up on the TV try the following troubleshooting techniques.
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