It is however easy to fix this issue and users just need to execute some easy to implement steps. All that users need to do is to take some help from the professional team of Google.
Following are the steps to fix this issue
Users must disable the Google Connectivity Services App
In the very first step, users must go to the Android’s main Settings menu.
Once this is done, users must then select the Apps entry.
To proceed further with the process, users must tap the three-dot menu button at the top of the screen.
Users must then choose Show system option.
Users must then search for Google Connectivity Services entry and then select it.
In the final step, users must tap on Disable to complete the process
Users might still be having some questions pertaining to fixing the issue of Google hangouts notification not showing. To get the best possible solutions at cost effective rates, users must call at Google tech support number to get in touch with their proficient technicians who work round the clock. There are other ways as well to contact them in case a phone call cannot be made. Users can send emails having their queries to their technicians and they will reply via email only. Users can also ask their queries directly on the online forums.