![]() ![]() In order to fix this issue of no HDMI signal from your device, you can choose to update driver. Then reboot your device and check whether the issue of no signal HDMI is solved. If you have more than one HDMI port, make sure that the selected one the right. Press the Input or Source button on your remote to change the input source to HDMI port. They are the first generation of the HDMI-AOC development team, providing a one-stop service from the design, assembly, and testing of the HDMI engine.Ĭontact our Technical Sales Team here at ITM to find out more.In this section, we will show you how to fix the error of HDMI no signal. Smartavlink launched HDMI-AOC development six years ago. Smartavlink insists on using high-quality VCSEL of big brands to enhance the stability of HDMI AOC (such as II-VI, Philips) and avoid the risk of VCSEL chip. In order to pursue low-cost marketing, many manufacturers change the internal VCSEL, adopt low-quality VCSEL, improve mold productivity, and shorten the service life, which are all high-risk defects in marketing. HDMI has a total of four lanes, but from this picture, you see only three lights, which means one lane VCSEL fails. The following two pictures show the VCSEL of the crash. If it fails, the manufacturer needs to test it in the room. The final possibility is that the cable does not work on any HDMI device, but the cable is not disconnected. Before starting to use HDMI AOC, testing is very important. It's important to ensure that the EDID reading of the TV (display end) and DVD (source end) is successful, and then your TV will start. ![]() HDMI AOC is an active HDMI optical cable, which has a chipset. Smartavlink's HDMI AOC can knot, and its bending half diameter in the market is very small so as to avoid the risk. If you find that there is no signal after Installation, how do you troubleshoot?įibre optical HDMI cable is a uni-direction product, and the HDMI signal is sent by lighting, so you have to put Source to PC/STB/DVD and make display side connect to TV/Screen/Project, etc.īecause the internal cable is optical fibre, whether plastic optical fiber or glass optical fiber, there is a bending radius, so please read your cable manual before Installation to avoid cable fracture or bending radius error. Why is your HDMI AOC without signal after Installation?
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