About Low Signal reading: Problem is in incompatibility between network-admin and actualy instaled wireless extensions.
If you run in terminal: #sudo network-admin you will see: Warning: Driver for device ath has been compiled with version 22 of Wireless Extension, while this program supports up to version 19. Some things may be broken... -- atheros wifi card drop connection and low signal https://bugs.launchpad.net/bugs/94148 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
