Try manually resetting your plugins. If that resolves the issue, reactivate each one individually until you find the cause.
If that does not resolve the issue, access your server via FTP or SFTP, navigate to /wp-content/themes/ and rename the directory of your currently active theme. This will force the Default theme (WordPress 1.5 – 2.9.2) or the Twenty Ten theme (WordPress 3.0 and higher) to activate and hopefully rule-out a theme-specific issue (theme functions can affect the admin panel).
Buddymatic was the theme and i also installed Jooc theme to test – i have tried to delete these via the host server but i get access denied because of permissions -i have tried to change permission via ftp – i go back to host server and try to delete these but no can’t do again permission denied – i think this may be related as the blank screen started when i installed buddymatic
Just delete them via FTP, or change the directory names like I mentioned in the previous replies.
Thanks for the reply
OK – I renamed all themes /wp-content/themes/ apart from twentyten – but still get blank page – i have tried deleting using ftp and host server but i get the reply permission denied on the server side, and with the ftp it seems to go through the process of deleting, but the directories are still there…?
One thing that may be help – I was running the site as multisite and I may have tried to activate buddymatic without making it available in superadmin themes – although i don’t know whetehr or not this would have caused this problem
As long as i keep my database, i am probabaly OK with everything else, i.e. starting over…can i just backup my database (BYW where is that stored) and plugins via ftp and reinstall – i would rather not so this but it is definately better than loosing the posts etc.
OK – back up and running!! Thanks for the help.
For some reason – after i renamed the themes i was then able to get acces to admin pages other than dash which i couldn’t do before – from there i disabled all the plugins – and then went back to ftp and deleted buddymatic – the website works with twenty ten – hopefully when i intall the other themes it should continue to work – thanks again for the help!!
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