What should I do if the CPU usage is too high after booting win8?

Now many friends are using the win8 system, thanks to the cloud properties of the win8 system itself, many settings and files can be synchronized in the cloud, even in other systems, as long as we log in with our own Microsoft account, It's convenient to synchronize our familiar settings and files via networking. But at the same time, if we have been logging in to Microsoft's account and turning on cloud synchronization, it will cause the CPU usage to be too high after the win8 boot, even the hard drive light flashes. Unfamiliar friends must think that this is what happened. Failure, in fact, as long as we close the synchronization of the family group to solve these problems, let's look at the specific operation method.

1. Move your mouse to the upper right corner of the mouse, select Settings, then select Change PC Settings.
What should I do if the CPU usage is too high after booting?

2. Select the family group in the computer settings.
What should I do if the CPU usage is too high after booting?

3. Under the membership on the right, choose to leave the family group.
What should I do if the CPU usage is too high after booting?