[Theme Horse Support Team]

Hi leighdesign,
To upload the logo go to dashboard -> appearance -> theme options -> design options -> custom header and then upload your customer logo. View this screen shot.
http://awesomescreenshot.com/06343z7v33

Yes deactivating revolution slider, there is issue. Thanks for your suggestion. IF you don’t wish to use revolution slider then you need to delete it from ftp
Go to ftp -> wp-content -> pugins -> revolution slider and delete it from here.

Thank you!