

>If your blizzard account is not linked then simply click on the whole box and then sign in with your blizzard account.

>You will be directed to the Account Management page, if not then click on the Profile on the top right. Same was with this one, you have to connect Blizzard account to your Activision account. But then again call of duty created one while fixing one. This one was a game update to prevent keyboard players from switching from Controller to keyboard and mouse mid game. Warzone Input Device Locked? Here are some solutions.
