Here is the reason when Gmail not working issue occur
Gmail Is Slow
Sometimes slow loading of Gmail results in work delay. Browser might be the reason. Latest version of browser should be used by user.
When user has difficulty in loading the Gmail account then this loading issue arises. And it may be due to any reason like if your internet connection is slow.
Links are not working
Again the issue of not responding Gmail is related to the browser and the unwanted applications.
Here are the easy steps to trouble shoot your Gmail not responding issues
Step1: First verify that browser should work with Gmail or in supportive that is used by the user.
Step2: And then the browser extensions or applications should be review.
Step3: Now browser cache and cookies should be clear.
Step4: Then Gmail labs should be verified.
Step5: Now edit IMAP server and then disable or re-enable IMAP settings.
Step6: Save the changes after disabling IMAP access to the account and then save the changes after enabling the IMAP access.
Step7: A certain number of connections are provided by Google to the mail box it can block IMAP access to the account if there are too many.
Gmail not responding issues faced by almost all the user as it is typical problem. There might be the chances that the user face problem in the above mention steps, therefore the user can contact Gmail customer service phone number for more help.