![Wifi“设备未准备好”](https://linux22.com/image/884866/Wifi%E2%80%9C%E8%AE%BE%E5%A4%87%E6%9C%AA%E5%87%86%E5%A4%87%E5%A5%BD%E2%80%9D.png)
Ubuntu 启动时,首先会显示附近的 wifi 连接,然后尝试连接,但没有成功。在尝试过程中,它看到的 wifi 连接范围似乎越来越短,直到看不到任何东西并连接失败。当我单击 wifi 图标时,“Wi-Fi”下方显示“设备未准备好”。
当我运行时,sudo service NetworkManager status
它返回错误,说它尝试了 5 次都没有成功:“请求者接口不断失败,放弃”。
输出自lspci -knn | grep Net -A2
:
08:00.0 Network controller [0280]: Intel Corporation Wireless 3160 [8086:08b3] (rev 83)
DeviceName: Intel Dual Band Wireless-AC 3160 802.11ac 1x1 WiFi + BT 4.0 Combo Adapter`
Subsystem: Intel Corporation Dual Band Wireless-AC 3160 [8086:0070]
其他命令的输出:
$ sudo service NetworkManager status
● NetworkManager.service - Network Manager
Loaded: loaded (/lib/systemd/system/NetworkManager.service; enabled; vendor preset: enabled)
Active: active (running) since Ter 2016-09-06 14:55:25 BRT; 9min ago
Main PID: 26058 (NetworkManager)
CGroup: /system.slice/NetworkManager.service
├─26058 /usr/sbin/NetworkManager --no-daemon
├─26077 /sbin/dhclient -d -q -sf /usr/lib/NetworkManager/nm-dhcp-helper -pf /var/run/dhclient-eno1.pid -lf /var/lib/NetworkManager/dh
└─/usr/sbin/dnsmasq --no-resolv --keep-in-foreground --no-hosts --bind-interfaces --pid-file=/var/run/NetworkManager/dnsmasq.pid --listen-address=127.0.1.1 --cache-size=0 --proxy-dnssec --enable-dbus=org.freedesktop.NetworkManager.dnsmasq --conf-dir=/etc/NetworkManager/dnsmasq.d
Set 06 14:56:52 jpbraga NetworkManager[26058]: <warn> [1473184612.4170] device (wlo1): re-acquiring supplicant interface (#3).
Set 06 14:57:08 jpbraga NetworkManager[26058]: <error> [1473184628.3652] sup-iface[0x27aa8c0,wlo1]: error adding interface: wpa_supplicant couldn't grab this interface.
Set 06 14:57:08 jpbraga NetworkManager[26058]: <info> [1473184628.3652] device (wlo1): supplicant interface state: starting -> down
Set 06 14:57:18 jpbraga NetworkManager[26058]: <warn> [1473184638.4194] device (wlo1): re-acquiring supplicant interface (#4).
Set 06 14:57:34 jpbraga NetworkManager[26058]: <error> [1473184654.3567] sup-iface[0x27aaa20,wlo1]: error adding interface: wpa_supplicant couldn't grab this interface.
Set 06 14:57:34 jpbraga NetworkManager[26058]: <info> [1473184654.3568] device (wlo1): supplicant interface state: starting -> down
Set 06 14:57:44 jpbraga NetworkManager[26058]: <warn> [1473184664.4200] device (wlo1): re-acquiring supplicant interface (#5).
Set 06 14:58:00 jpbraga NetworkManager[26058]: <error> [1473184680.3670] sup-iface[0x2769400,wlo1]: error adding interface: wpa_supplicant couldn't grab this interface.
Set 06 14:58:00 jpbraga NetworkManager[26058]: <info> [1473184680.3671] device (wlo1): supplicant interface state: starting -> down
Set 06 14:58:00 jpbraga NetworkManager[26058]: <info> [1473184680.3671] device (wlo1): supplicant interface keeps failing, giving up
我尝试安装 wicd 但是它也不起作用。
$ iwconfig
lo no wireless extensions.
wlo1 IEEE 802.11abgn ESSID:off/any `
Mode:Managed Access Point: Not-Associated Tx-Power=22 dBm
Retry short limit:7 RTS thr:off Fragment thr:off`
Power Management:on`
eno1 no wireless extensions.
我看到一些我认为与我的不完全相同的帖子,所以我不知道该怎么做。
笔记本电脑:HP Pavilion 14-V066BR