Firefox may not show scroll bars when Monitor resolution is too high.
This especially effects user dialogs in the Intel® Registration Center.
For example, with a common 1900 x 1200 screen resolution you will not see scrollbars on dialogs in the download area:
Solution:
- Click into the Dialog and navigate up/down with the Cursor keys and select values with the Return key.
- Click the Ctrl and + keys to zoom into the browser window until the scroll bars appear. You can zoom out again with the Ctrl and - keys.
For example, with zooming into the browser dialog (Ctrl and + keys pressed once), the scroll bars become visible and can be used to navigate: