If you cannot get your PC to see the dongle as a removable drive (hold the + button while plugging it in), you almost certainly need a firmware update.
Performing an is an advanced troubleshooting step for a specific set of issues. When done correctly—with the right file, right shorting method, and right drivers—it can resurrect a seemingly dead dongle and extend compatibility for years of Switch hacking. rcm loader firmware update
The RCM Loader is a USB dongle that injects payloads into a Nintendo Switch in RCM mode. It contains: If you cannot get your PC to see