Dell Customer Support Number How to fix HDMI port issue in Dell laptop? HDMI ports and cables are a very vital part of any laptop or computer. It is an audio and video interface for transferring uncompressed video data and compressed or uncompressed audio data from an HDMI compliant source device such as a controlled dis-player to a compatible computer monitor, video projector, digital TV or a digital audio device. It is a digital replacement for DVI-HDCP video. This technology transmits very clear and high definition video, multi-channel surround audio, and advanced control data. HDMI connected components have the ability to understand each other’s capabilities and adjusts themselves automatically for optimal viewing. If you would like to know more or get more information about HDMI ports and cables, then you can do so by contacting Dell customer care number . The HDMI port is a crucial component to any laptop and sometimes this might get interrupted by errors and issues.