| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | App crashes on launch | Incompatible macOS version | Downgrade to macOS Sierra or Mojave. | | No video playback, only audio | Missing GPU drivers | Reinstall NVIDIA CUDA drivers (if applicable). | | "Not enough VRAM" error | Integrated Intel graphics | Add a dedicated eGPU or switch to a Mac with discrete GPU. | | Cannot import H.265/HEVC files | Codec not supported in Resolve 12 | Transcode footage to ProRes or DNxHD using FFmpeg. | | UI freezes when color grading | Corrupted cache | Delete the CacheClip folder in your user library ( ~/Library/Blackmagic Design/DaVinci Resolve/CacheClip ). |
If you cannot get Resolve 12 running safely, consider these alternatives for older Macs: davinci resolve 12 download mac