Google has many features, which are used to stored data online. Google Photos is used to keep your images and it needs an active account to sign in. If you are not able to access your Google backup photos, then make sure you are connected with the strong internet and also you have an active account to sign in it. If you still troubled the same issue, then speak to a live person at Google to fix it quickly. https://www.monktech.us/Gmail-Help-Phone-number.html