See blank login screen, or looking at an older version of the portal - how to fix it.

If you see a blank login screen:

Try this "hard refresh" first:

Windows / Linux: Ctrl + F5

Mac:                       Command + Shift + R

You should see your browser flash and re-load.

Try the site again, to verify you are on the latest version.

If that shortcut does not work, then clear your browser cache using these steps:

https://www.google.com/search?q=how+to+clear+cache+various+browsers