我刚刚继承了一台带有 Ralink Wifi 的 HP Pavillion - 它在 16.04 LiveUSB OS 上运行良好，但安装并重新启动后没有 wifi。
网络管理器中 Wi-Fi 列表显示设备未就绪
iwconfig说：
root@obadiah:~# iwconfig
enp2s0 no wireless extensions.
lo no wireless extensions.
wlp4s0 IEEE 802.11bgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
并lshw -C network说：
root@obadiah:~# lshw -C network
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: enp2s0
version: 03
serial: 40:61:86:c0:b3:4f
size: 100Mbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8168d-1.fw ip=192.168.1.194 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
resources: irq:26 ioport:d800(size=256) memory:fbdff000-fbdfffff memory:faffc000-faffffff memory:fbdc0000-fbddffff
*-network DISABLED
description: Wireless interface
product: RT3092 Wireless 802.11n 2T/2R PCIe
vendor: Ralink corp.
physical id: 0
bus info: pci@0000:04:00.0
logical name: wlp4s0
version: 00
serial: 00:26:82:65:4d:3a
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rt2800pci driverversion=4.4.0-36-generic firmware=0.34 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn
resources: irq:17 memory:fbff0000-fbffffff
关于如何实现这一点，您有什么想法吗？我查看了黑名单和一些论坛帖子，但似乎没有太多关于 Ubuntu 16.04 的最新内容。
由于。。。导致的结果rfkill list all：
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
由于。。。导致的结果lsmod | grep wmi： ：
snd_rawmidi 32768 1 snd_seq_midi
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd 81920 41 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device
由于。。。导致的结果dmesg | grep rt2
[
17.809034] ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 3071, rev 0213 detected
[ 17.812471] ieee80211 phy0: rt2x00_set_rf: Info - RF chipset 0008 detected
[ 17.818054] rt2800pci 0000:04:00.0 wlp4s0: renamed from wlan0
[ 24.679600] ieee80211 phy0: rt2x00lib_request_firmware: Info - Loading firmware file 'rt2860.bin'
[ 24.806537] ieee80211 phy0: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.34
[ 585.750510] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 1236.456222] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 1236.920174] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 1237.384119] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 1237.856065] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 1238.323995] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 1238.787957] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 1239.255869] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 1239.719811] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 1240.187757] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 1240.655665] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 1241.463595] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 1241.983535] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 2442.352839] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 2442.820831] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 2443.284792] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 2443.752764] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 2444.220759] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 2444.972677] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 2445.436726] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 2446.188669] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 2446.996632] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 2447.512567] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 2977.880219] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 3045.314180] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 3045.782146] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 3046.246133] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 3047.002036] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 3047.753977] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 3048.217925] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 3048.969856] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 3049.773782] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 3050.289718] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 3151.300331] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 0 failed to flush
[ 4179.483924] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 6594.528055] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush
[ 6957.819877] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 0 failed to flush