If your Xbox controller isn't connecting to your Steam Deck and the light continues blinking, follow these steps to troubleshoot and resolve the issue...
I have a desktop for gaming, but ever since I got the Steam Deck, my gaming time has quadrupled. It's remarkable how well it handles even demanding games—it's like a Kindle for gaming. While the default SteamOS mainly supports games from the Steam store, you can actually play almost any game on the device...