There are a few reasons why your Xbox One might be blinking when you turn it off. One possibility is that the console is overheating. If this is the case, you’ll need to let it cool down before turning it back on. Another possibility is that there’s a problem with the power supply. If this is the case, you’ll need to contact Microsoft for support.
There are a few things that could be causing your Xbox button to blink. One possibility is that the batteries in the controller are low and need to be replaced. Another possibility is that the controller is not synced with the console. Try unplugging the console from the power outlet, then plugging it back in and turning it on.