关于gmail无法登陆

There can be many reasons: Gmail may have problems, or you may have
proxy issues, or your internet security software (antivirus, personal
firewall, web filtering program) or an extension for Mozilla Firefox
may prevent you from using Gmail, or your browser isn't supported by
Gmail. Here are some solutions:

 - if you are using internet security software (antivirus, personal
   firewall, web filtering program), disable them for troubleshooting
   purposes
 - you may have problems because of proxy issues, so try logging in at
   https://gmail.google.com
 - reload web page after you have logged in Gmail
 - empty browser's cache
 - allow cookies for Google
 - allow JavaScript for Gmail

After these changes, close the browser window, and open another to log
in to Gmail.

If the above tips don't help and if possible, try a different browser
(for example Internet Explorer, Mozilla Firefox, or Opera) or a
different computer to find out if the problem is with a setting or a
program instead of Gmail.

Fully supported browsers by Gmail (June 12, 2005):

 - Internet Explorer 5.5+,
 - Netscape 7.1+,
 - Mozilla 1.4+,
 - Firefox 0.8+, and
 - Safari 1.2.1+

Somewhat supported browsers by Gmail (June 12, 2005):

 - Internet Explorer 4.0+,
 - Netscape 4.07+, and
 - Opera 6.03+

You might find your answer from the Gmail Help pages:

http://mail.google.com/support/

If you can't see the Gmail Help pages, you can read this article for
various quotes from the Gmail Help pages:

http://groups.google.com/group/google.public.support.general/msg/4652...

You can also use a discussion forum about Gmail to ask for assistance:

http://groups.google.com/group/Gmail-Help-Discussion
http://www.email-x.net/gmail-forums.html?c=5
http://www.webmasterworld.com/forum100/

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Q:  How can I reload a web page?

If you are using Internet Explorer 6, press F5 on keyboard. Or click
"View", and select "Refresh".

If you have Mozilla 1.x, Netscape 7/8, Mozilla Firebird 0.x, or
Mozilla Firefox 0.x/1.x, press F5 on keyboard. Or click "View", and
select "Reload".

If you have Opera 7, press F5 on keyboard. Or click "View", and select
"Refresh display".

If you have Opera 8, press F5 on keyboard. Or click "Reload" icon.

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Q:  How can I empty the browser's cache?

If you are using Internet Explorer 6, click "Tools", select "Internet
Options", push "Delete Files..." button.

If you have Mozilla 1.x or Netscape 7, click "Edit", select
"Preferences...", select "Advanced", select "Cache", push "Clear
Cache" button.

If you have Mozilla Firebird 0.x or Mozilla Firefox 0.x/1.x, or
Netscape 8, click "Tools", select "Options", click "Privacy", push
"Clear" button next to "Cache".

If you have Opera 7, click "File", select "Preferences...", select
"History and cache", push "Empty now".

If you have Opera 8, click "Tools", select "Preferences...", select
"Advanced", click "History", push "Empty now".

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Q:  How can I allow JavaScript for Gmail?

If you are using Internet Explorer 6, add Gmail and Google to trusted
sites: click "Tools", select "Internet Options", click "Security" tab,
click "Trusted sites", push "Sites..." button, write *.gmail.com in
the text field, push "Add" button, write *.google.com in the text
field, push "Add" button. Push "OK", and "OK". Next check, that
Internet Explorer allows JavaScript for Trusted sites: click "Tools",
select "Internet Options", click "Security" tab, click "Trusted
sites". If the setting is "High", change it to a lower one, for
example "Medium". Push "OK".

If you have Mozilla 1.x or Netscape 7, click "Edit", select
"Preferences...", select "Advanced", select "Scripts & Plug-ins", and
check "Navigator".

If you have Mozilla Firebird 0.x or Mozilla Firefox 0.x/1.x, click
"Tools", select "Options", select "Web Features", and check "Enable
JavaScript".

If you have Opera 8, click "Tools", select "Preferences...", click
"Content", check "Enable JavaScript".

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Q:  How can I allow cookies for Google?

If you are using Internet Explorer 6, click "Tools", select "Internet
Options", click "Privacy" tab, and see what setting you have for
cookies. If the setting for cookies is "Block All Cookies", you can't
allow cookies for Google or any other website. If you are willing to
receive cookies, change to some other setting, for example "High",
and click "OK". Now you can allow cookies for google.com: click
"Tools", select "Internet Options", click "Privacy" tab, push "Edit",
type google.com in the field and push "Allow", "OK", and "OK".

If you have Mozilla 1.x, click "Edit", select "Preferences...", select
"Privacy & Security", select "Cookies", push "Cookie Manager", click
"Cookie Sites" tab, type google.com in the field, push "Allow", push
"Close", and "OK".

If you have Mozilla Firebird 0.x or Mozilla Firefox 0.x/1.x, click
"Tools", select "Options...", click "Privacy", select "Cookies", push
"Exceptions" type google.com in the field, push "Allow", "OK", and
"OK".

If you have Netscape 4.x, click "Edit", select "Preferences...",
select "Advanced". Select "Accept all cookies" or "Accept only
cookies that get sent back to the originating server". You might
also want to check "Warn me before accepting a cookie". Push "OK".

If you have Netscape 7, click "Edit", select "Preferences...", select
"Privacy & Security", select "Cookies", and see what setting you have
for cookies. If the setting for cookies is "Disable cookies", you
can't allow cookies for Google or any other website. If you are
willing to receive cookies, change to some other setting, for example
"Enable cookies for the originating web site only", and click "OK".
If that doesn't help, then you might have accidently blocked cookies
for google.com. To see if that has happened, click "Edit", select
"Preferences...", select "Privacy & Security", select "Cookies", push
"Manage Stored Cookies", click "Cookie Sites" tab, click
www.google.com, and push "Remove Site".

If you have Opera 7, you might have to first empty the cache: click
"File", select "Preferences...", select "History and cache", push
"Empty now", and "OK" (you might have to do this a few times). Then
you can enable cookies: click "File", select "Preferences...", select
"Privacy", and check "Enable cookies", and select next to "Normal
cookies" the option "Display in dialog box with multiple choice".

If you have Opera 8, you might have to first empty the cache: click
"Tools", select "Preferences...", select "Advanced", click "History",
push "Empty now", and "OK" (you might have to do this a few times).
Then you can enable cookies: click "Tools", select "Preferences...",
click "Cookies", and under text "Normal cookies" select "Let me decide
every time I receive one", or "Accept all cookies". If you select
"Treat as specified in Server Manager", then also push "Manage
cookies...", push "New...", type google.com, check "Apply these
settings for entire domain" and "Accept cookies for server/domain",
push "OK", push "Close", and do the same for the national Google
domain (for example google.co.uk).

http://www.google.com/cookies.html

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http://www.geocities.com/googlepubsupgenfaq/#gmailafterlogin
http://www.geocities.com/googlepubsupgenfaq/#reloadwebpage
http://www.geocities.com/googlepubsupgenfaq/#emptybrowsercache
http://www.geocities.com/googlepubsupgenfaq/#allowjavascriptforgmail
http://www.geocities.com/googlepubsupgenfaq/#howtoallowcookies