How does the impression note sync fail?

Reason one: Synchronized traffic has run out (free account per month MB upload space, more than can not upload), this may be one of the reasons OH.

Reason two: The cause of this problem is "IE browser is offline mode", the impression note synchronization is the default use of the system network settings, and it is well known that IE browser network settings for the system network settings, if IE browser offline, then the impression notes will not be able to connect to the synchronization server.

1, open your IE browser, click on the upper right corner of the "Settings" button. Select Internet option,

2, click the "Connection" tab, click the "Settings" button

3, the "Automatic Detection settings" on the hook

Reason three: Your connection device problem, so that you can not connect to the network

Reason four: Mobile broadband networks do not support the sync of impression notes, a solution that needs to be addressed by mobile broadband companies.