This isn't a hardware failure; it’s a modern technology hurdle called Intel VMD (Volume Management Device) Why Your Drive is "Missing" The Acer N20C5 series typically runs on Intel 11th Gen "Tiger Lake" processors
Acer rarely updates N20C5-specific drivers after 12–18 months. However, you can safely upgrade to newer Intel RST drivers from Intel’s website (version 19.x and 20.x have been tested on N20C5 boards without issues).
The (primarily corresponding to models in the Aspire 5 A515-56 or Aspire Vero AV15-51 series) requires a specific storage driver to be visible during Windows installation. Because these laptops use 11th Generation Intel Core processors (Tiger Lake), they utilize Intel Volume Management Device (VMD) technology, which often results in the "We couldn't find any drives" error during a fresh OS setup. Core Storage Driver Details