I've Tried it All – RSS Feed Will Not Work!

I know this issue has already been addressed…several times. But I’ve read all the posts, tried all the fixes and not a single one has worked.

Reinstall WP…didn’t work
Deactivate/reactivate plugins…didn’t work
Start from scratch…didn’t work
Modify php.ini file…didn’t work
Modify .htaccess file…didn’t work
Change theme…didn’t work
Reinstall theme…didn’t work
Kill computer…didn’t work
Ask hosting co. what’s up…didn’t work
Ask my mom what’s up…huh, what’s WordPress?

I have never ever had this problem with the last 20 WP sites I’ve built. Seriously.

Does anyone have some obscure answer?

Thanks,
Michael