| Problem | Likely cause | Solution | |---------|--------------|----------| | Scene opens all black | Missing HDR/environment | Go to Environment tab → pick any preset | | Materials look wrong | KeyShot version mismatch | Right-click material → Materials > Refresh Materials | | Extremely slow rendering | Too many reflective surfaces | Reduce Bounces from 16 → 8 | | Your product doesn’t sit on floor | Origin point misalignment | Edit > Move → hold Alt to snap to ground plane | | Textures missing (pink appearance) | Relative paths broken | File > Save As → check Package all textures next time |