OK, backed everything up, copied over fresh 4.7.1 code to new directory, copied over files folder and settings.php file. Tried to run www.mysite.com/update.php and got the following. Help!
Warning: Unknown column 'weight' in 'order clause' query: SELECT name, filename, throttle, bootstrap FROM system WHERE type = 'module' AND status = 1 AND bootstrap = 1 ORDER BY weight ASC, filename ASC in /home/mysite/public_html/includes/database.mysql.inc on line 120
Warning: Cannot modify header information - headers already sent by (output started at /home/mysite/public_html/includes/database.mysql.inc:120) in /home/mysite/public_html/includes/bootstrap.inc on line 526
Warning: Cannot modify header information - headers already sent by (output started at /home/mysite/public_html/includes/database.mysql.inc:120) in /home/mysite/public_html/includes/bootstrap.inc on line 527
Warning: Cannot modify header information - headers already sent by (output started at /home/mysite/public_html/includes/database.mysql.inc:120) in /home/mysite/public_html/includes/bootstrap.inc on line 535
Warning: Cannot modify header information - headers already sent by (output started at /home/mysite/public_html/includes/database.mysql.inc:120) in /home/mysite/public_html/includes/bootstrap.inc on line 543
Warning: Cannot modify header information - headers already sent by (output started at /home/mysite/public_html/includes/database.mysql.inc:120) in /home/mysite/public_html/includes/bootstrap.inc on line 543