Member Login Link Issue

When I click on the member login in the top right hand corner, I only get a faded screen but no popup for the login. I can login through the section within the site content but not by that top right hand corner. Any suggestions of where to start looking to fix this? Thanks

You have a website url so we can see the page?

This has been covered several times before  ..... 

Search for login popup maybe  .....

Reference:
How To Search And Note For New Members In The Forums  .....

HTH

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Dude... just bypass the Ajax Splash completely. 
1) go to admin/settings/language settings
2) in the look for field type (Member Login) a window will open. 
3) Highlight the string (member Login) and replace it with this <a href="http://www.yoursite.com/member.php">Member Login</a>

its a quick fix. Nothing else was working for me this is a quick fix without risking some serious DB muck-ups and reinstalls

Did you just start using a new template you downloaded/bought?

If so temperary set the site back to the original template and see if it works then.

When i had this problem i solved it by copying the files in the  templates/tmpl_uni/scripts into the scripts folder of the template i bought.