Blog
LED Controller 4K@60Hz, HDCP 2.2 and HDR Explained: What the Specs Really Mean (2026)
What 4K@60Hz, HDCP 2.2 and HDR mean on an LED controller spec sheet: bandwidth, black-screen causes, and the HDR signal chain.
NovaStar MCTRL4K vs VX4S: 4K Sending vs All-in-One Processing (2026)
NovaStar MCTRL4K vs VX4S comparison: pixel capacity, true 4K input, latency, HDR, and price – plus how the VX4S-N compares with the VX16S.
How to Choose a NovaStar Receiving Card: 12 Models Compared (2026)
How to choose a NovaStar receiving card: loading capacity, connectors, and backup options across 12 models, with pixel math examples.
NovaStar MCTRL vs VX vs TB Series: Which Controller Type Do You Need? (2026)
Compare NovaStar MCTRL vs VX vs TB series: architecture, pixel capacity, scaling, and dual-mode HDMI – see which controller fits your LED project.
MCTRL300 vs MCTRL660: NovaStar MCTRL Series Compared for 2026
MCTRL300 vs MCTRL660 comparison with official NovaStar spec data: pixel capacity, ports, inputs, power, and price. See which LED controller fits your screen size.
Dead Pixel Repair and LED Module Replacement — Complete Diagnostic and Repair Guide
Learn how to fix dead pixels and replace LED modules with this complete guide covering diagnosis, single lamp bead repair, full module replacement, and prevention tips.
How to Fix LED Screen Flickering — Naked-Eye vs Camera Flicker Causes and Solutions
Learn how to fix LED screen flickering with this complete guide covering naked-eye flicker, camera flicker, refresh rate issues, and hardware causes. Step-by-step diagnostic and prevention tips.
LED Display Troubleshooting Guide — Diagnose and Fix Common Problems Systematically
Complete LED display troubleshooting guide covering black screen, flickering, color issues, module failure, and signal problems. Step-by-step diagnostic flowchart to identify and fix common LED screen problems quickly.
NovaLCT Cannot Detect Sending Card: Complete Troubleshooting Guide
When NovaLCT cannot detect sending card hardware, diagnose USB driver issues, Ethernet IP mismatches, firmware corruption, and multi-card cascade failures. 7-step diagnostic checklist for NovaStar controllers.