Thankfully, Valve has built several troubleshooting systems into the Steam Deck that could fix the issue and get you back to gaming again. There's also a recovery image that can get things back to ...
A tech-savvy YouTuber has the Lenovo Legion Go S running SteamOS 3.8, and the handheld PC is reportedly performing better ...
This will enable you to boot your Steam Deck into a recovery mode, so you can fix the flashing black screen issue in one of two possible ways. 1. Download the recovery image from Valve.