Most CCTV surveillance problems are not dead hardware. They are dirty lenses, full hard drives, wrong configurations, and network issues that cost nothing to fix once you know where to look. This guide covers the most common failures, gives a clear diagnosis for each, and walks through the fix step by step. If your footage is blurry, your DVR stopped recording, your night vision is wa... https://gcctvms.com/fix-cctv-surveillance-problems/