# Brendel Electronics > Brendel Electronics is a help center for people who already own the equipment: connecting HDMI ARC and eARC, getting surround sound working, picture and sound settings, and step-by-step fixes when something stops working, for any brand. Written for: People who already bought a TV, projector, soundbar or receiver and need it to work properly. We do not sell products. Our guides link to the manufacturer's information and the published sources they rely on. ## Sections - Setup guides: Connections, first-time setup and calibration basics, step by step. - Troubleshooting: No sound, no picture, lip-sync and connection problems, checked against each manufacturer's own manual. - HDMI bandwidth calculator: Check whether a cable, a port and a video format fit together before you blame the TV. ## Pages - Home: https://brendelelectronics.com/ - Guides: https://brendelelectronics.com/#guides - About and how we work: https://brendelelectronics.com/about - Contact: https://brendelelectronics.com/contact - Sitemap: https://brendelelectronics.com/sitemap.xml