Future Xbox console Series X will support older Xbox games. This means that the next-gen console from Microsoft is compatible with current-gen accessories and games. So, let’s figure out why your Xbox controller is blinking and fix it. What you’re doing is wasteful.
Wireless connectivity is a source of the issue. Users of the Xbox One may have issues while attempting to pair their controllers with the system. When the controller is out of sync with the system, issues develop. You can’t play your games if the connection fails.
Obviously, this problem renders your apparatus completely ineffective, and as a result, you’re highly frustrated by it. Nonetheless, we’re here to put a stop to it. Come in and we’ll fix your wireless Xbox One controller.
Find out How to Link Your Xbox and Its Controller

We can’t possibly avoid talking about the Xbox controller’s pairing process with the system.
Xbox One’s “PAIR” button initiates the pairing process. Keep your controller’s “PAIR” button depressed for the time being. If you can wait 20 seconds, you can let go.
When the controller is properly connected, it will display a quick flash for a second before switching to a steady light. Because of that, we know it has a matching companion.
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Xbox 360 controller flashing red light of death or won’t connect
The first thing to do is to change the batteries.
If your Xbox controller suddenly began flashing, the quickest thing to do would be to check the batteries.
Low battery prevents the controller from connecting to the system through wireless connection. The controller’s battery should be changed or charged.
At any point, you can hit the Xbox button to see how much juice is left in the batteries. If you click on the battery icon in the upper right of the Home screen, you’ll be sent there. If the battery level indicator is flashing red, it’s time to swap in some fresh batteries or charge the old ones.
Alternative 2: Determine the scope of the problem
Moving closer to the control panel is the next step. Solution 1 should be checked if the controller still won’t connect while playing at the same distance as previously.
examine Potential Interferences
Verify that nothing is blocking the signal. It’s possible that other wireless or USB devices in the area (such a headset or a USB drive) are interfering with the sync.
Turn off any adjacent wireless equipment and put away any USB devices before reconnecting the controller.
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Up to eight controllers can be paired with your Xbox One system at once. Your console has a maximum number of simultaneous users, and while you probably won’t hit it often, you should be aware of it. No more controllers may be added at this time.
One of the other controllers must be desynced. Take one, power it on, and keep your finger on the Xbox button. Next, go to the settings menu and disable the controller.
The faulty controller can be reconnected after you desync the other.
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Step 5: Synchronize your controller again

Keep in mind that you can link a controller to the same Xbox machine on several accounts. You will need to re-pair your accessory when you get back home if you use it with a different Xbox. The same holds true for linking an Xbox One controller to a computer. If that happens, you’ll need to re-synchronize your controller with the system.
Use a Micro-Usb Cable (6th Recommended Fix)
To fix this, simply use a micro USB connection to link the controller to the system. In this case, the two devices will automatically link with one another. Plus, it can provide a charge for your controller, which could come in handy.