I experienced the same problem reported in this thread on an Asus N751JK, equipped with network controller: MEDIATEK Corp. MT7630e 802.11bgn Wireless Network Adapter.
Eventually, on kernel 3.16.0-33 I solved by following the procedure reported in #214, i.e. using the driver provided by tobias-bora at: https://github.com/tobiasBora/MT7630E_3.16 I'm not observing any high CPU load. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1220146 Title: Ralink Mediatek 14c3:7630 wi-fi card isn't supported out of the box Status in HWE Next Project: Confirmed Status in HWE Next trusty series: Confirmed Status in The Linux Kernel: Unknown Status in linux package in Ubuntu: Triaged Status in linux package in Fedora: New Bug description: This device is appearing in some OEM machines, but driver is not yet available in mainline. The driver seems to be present in machines with pre-installed OS, but isn't available on the download-and-install versions! The driver that upstream is working on can be found at https://github.com/lwfinger/mt7630. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1220146/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
