Here we go:
Firebug shows this-
"NetworkError: 404 Not Found - http://w w w.DOMAIN.com/themes/third_party/matrix/styles/matrix.css?2.5.4"
matrix.css?2.5.4
"NetworkError: 404 Not Found - http://w w w.DOMAIN.com/themes/third_party/matrix/scripts/matrix.js?2.5.4"
matrix.js?2.5.4
"NetworkError: 404 Not Found - http://w w w.DOMAIN.com/themes/third_party/matrix/scripts/matrix_conf.js?2.5.4"
matrix...s?2.5.4
"NetworkError: 404 Not Found - http://w w w.DOMAIN.com/themes/third_party/matrix/styles/matrix.css?2.5.4"
matrix.css?2.5.4
"NetworkError: 404 Not Found - http://w w w.DOMAIN.com/themes/third_party/matrix/scripts/matrix_text.js?2.5.4"
matrix...s?2.5.4
"NetworkError: 404 Not Found - http://w w w.DOMAIN.com/themes/third_party/matrix/scripts/matrix.js?2.5.4"
matrix.js?2.5.4
"NetworkError: 404 Not Found - http://w w w.DOMAIN.com/themes/third_party/matrix/scripts/matrix_text.js?2.5.4"
matrix...s?2.5.4
"NetworkError: 404 Not Found - http://w w w.DOMAIN.com/themes/third_party/matrix/scripts/matrix_conf.js?2.5.4"
matrix...s?2.5.4
ReferenceError: MatrixConf is not defined
[Break On This Error]
<script type="text/javascript">MatrixConf.EE2 = true;
index....up_id=4 (line 1100)
ReferenceError: MatrixConf is not defined
[Break On This Error]
<script type="text/javascript">MatrixConf.EE2 = true;
I would put images but for some reason stackexchange is asking me to have reputation 10. Total Absurd!
Which means you have uploaded only 1st part to system and didnt upload second part to themes. It happen to me! Just upload correctly!