Windows Sonic or Dolby Atmos for Headphones kills analog 5.1 output.
If you’re using a modern laptop that only has one headphone jack, you’ll need a . You can’t just plug the green cable in and expect surround sound; you need a device that can accept all three color-coded plugs to bridge the gap between "Vintage Analog" and "Modern Digital."
⚠️ Avoid third-party websites claiming to offer "X-530 Driver Downloads." These files are often unnecessary at best or contain malware at worst, as the official Logitech Support site explicitly states there are no software downloads for this product.