IBM Storwize V7000 Unified V188.8.131.52 management GUI has a known limitation with browsers having any language other than English as the first preferred language.
The management GUI may fail to load successfully, simply showing as “LOADING”.
Releases affected: 184.108.40.206 only
When accessing the management GUI of an IBM Storwize V7000 Unified system running 220.127.116.11, the browser will show an empty screen with the words “LOADING” after you login. This may appear only on some browsers.
See more details here