Can't help much with your questions but:
Yes, the Numbers/Letters on the gear selector should be lit up, but no idea on the bulb.
As far as viewing replies goes, at the top of the first post in a thread, there is an "Options" button with a little down arrow next to it. Click it and a drop down list will show up. On the "Display Modes" section, choose "Standard". You should then see the whole thread and not single replies. :winky: