Two questions...hope you can help!

Answer 1

Only in my computer I am not able see only g-mail why?

I am giving perfect ID and password,even not able to get,I can see yahoo butnot g-mail why?

I can check the g-mail in other computer but not in my computer why?

Answer 2

In google I can search all the thinks but I con`t see my e-mail and I am giving perfect ID and password.this happaning only in my computer and I can see the e-mails in other net.why?even in my computer I can see yahoo but noy g-mail.why? pls inform