I think I found the solution to my problem here http://askubuntu.com/questions/511255/intel-dual-band-wireless-ac-7260-keeps-dropping-wifi
Basically I needed to set the country for iw: sudo iw reg set US By this I passed from: ~$ iw reg get country 00: DFS-UNSET (2402 - 2472 @ 40), (3, 20) (2457 - 2482 @ 40), (3, 20), NO-IR (2474 - 2494 @ 20), (3, 20), NO-OFDM, NO-IR (5170 - 5250 @ 40), (3, 20), NO-IR (5735 - 5835 @ 40), (3, 20), NO-IR to: iw reg get country US: DFS-UNSET (2402 - 2472 @ 40), (3, 27) (5170 - 5250 @ 40), (3, 17) (5250 - 5330 @ 40), (3, 20), DFS (5490 - 5600 @ 40), (3, 20), DFS (5650 - 5710 @ 40), (3, 20), DFS (5735 - 5835 @ 40), (3, 30) (57240 - 63720 @ 2160), (N/A, 40) Now my wifi is working fine. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1403142 Title: [Lenovo Thinkpad X1 Carbon 2nd Gen 20A7,20A8] iwlwifi intel 7260 network does not connect To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1403142/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs