Failing this, navigate to /Library/Internet Plug-Ins (the Library folder at the root level of your hard drive) and remove the file ugin, then restart Safari. Make sure that the option "Display PDF in browser using:" is not checked, then restart Safari.
#Cnet adobe pdf reader how to
Options are generally hidden within specific applications rather than accessible via universal system controls, and it's sometimes not clear how to invoke given options.
Less than intuitive are the controls for determining how PDFs accessed through Safari and other Web browsers are displayed.