Fresh Beta install on Aspire 5741 (NEW70) - network ok
After installation, run update (485 updates) - install completes ok
After update and reboot, Network Manager fails to open. Unable to connect to LAN.
Though my hardware, both WLAN and LAN, are still recognised, however network icon disappears from taskbar, and I am unable to launch NM-APPLET both from menu and terminal.
Error "missing folder" in terminal
Tried both the amd64 and i386 versions.
Ubuntu 10.10 runs fine on laptop.
You may as well try to run this command from the terminal as this worked for me:
I'm not sure what you have tried, but you could run nm-applet from the run dialogue, and it should start your networking icon. If it does not start, run:
In a terminal.
Edit: Jorge pointed you to the right place.
The same happened to me this morning. You can activate yout network like this:
After that you can start a partial upgrade:
If this doesn't work look here:
Network-Manager
According to the link that Jorge Castro provided - SOURCE page 2 you can follow the advice given on post #14 or post #13
According to Post #14 - you will have to boot off a live disc, mount the Ubuntu partition, chroot into it and then perform updates, the new updates contain the fix for the ca-certificates bug. For a detailed how-to please take a look at the post.