Couple of quick disclaimers...I've used Ubuntu intermittenly for about two years now...only recently (about 5 months ago) did I fully switch over. I've gotten my hands dirty a bit getting it to work on different setups, but I'd still say I'm a amateur.
On to the problem. Dell Vostro 1400 w/NVidia graphics and the Intel a/b/g/n wireless. Installed Gutsy five or so months ago. All was great. Upgraded to Hardy via system update, all continued to be fine. Earlier this week I got a notice for system updates. I had been uninstalling VirtualBox (it hadn't worked since the Hardy update), and my system said it needed a reboot, so I thought I'd install the updates, then reboot. Not sure what the updates were (how can you see what was recently installed? Logs, I guess?), but they took a while to download & install. Anyway, when the updates finished I rebooted, and my video was all messed up (not using NVidia drivers, displaying 800x600 resolution, low color depth, etc), audio was gone, and wireless didn't work. Did some quick searching, rebooted to the recovery kernel(?), had it repair the X-Windows (I think...it was X something), then rebooted, and my display was at least back to 1440x900 resolution, but still no sound and no wifi. It looks as if the system doesn't even see the wireless card now. Additionally, I have an icon up by the "system tray" area that, when clicked on, says "SIOCGIFFLAGS error: No such device."
So, I don't know if the updates broke things, if uninstalling VirtualBox broke it (not sure how that would), or if not rebooting before performing the updates is what did it.
I've searched around a little bit trying to find some help, but the only thing I've found anything on is the SIOCGIFFLAGS error on older versions of Ubuntu.
Perhaps someone elsewhere has already run into this same problem and solved this...if so if you could point me to the solution that'd be great.
Due to my rookiness, I'm not exactly sure how to troubleshoot this. Should I try to uninstall the updates that were installed? If so I need to figure out what was installed...where would I find that?
Anyway, before I mess stuff up I wanted to consult with the community so I could learn proper troubleshooting techniques in Linux/Ubuntu, and so I can get this back up and working ASAP.
Thanks in advance for any help you can offer...I really appreciate it.