
2. uploaded the site back to the new host
3. exported the old db from the original host, did so in three chunks due to size
4. imported the three chunks, in order, to the new host
5. edited both Mainfile.php and Secure.php.
I think step 4 is my problem. I am going to do the export again, this time in more chunks. Chunk 2 proved to be very large and it didn't finish importing properly. The screen simply went white...