Lenovo z570 上的 AR9285 Wifi 未启用

Lenovo z570 上的 AR9285 Wifi 未启用

请帮忙。在 lenovo ideapad z570 上安装了 ubuntu 11.10 32bit。选择网络管理器 > 启用无线时没有任何反应。WiFi 未启用

尝试了以下回应 Atheros AR9285 的无线问题

网络控制器:Atheros Communications Inc. AR9285 无线网络适配器 (PCI-Express)

:sudo lshw -class 网络的代码输出

*-network DISABLED      
       description: Wireless interface
       product: AR9285 Wireless Network Adapter (PCI-Express)
       vendor: Atheros Communications Inc.
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: wlan0
       version: 01
       serial: d0:df:9a:a0:c3:5a
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=ath9k driverversion=3.0.0-12-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11bgn
       resources: irq:17 memory:d0500000-d050ffff
  *-network
       description: Ethernet interface
       product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: eth0
       version: 05
       serial: f0:de:f1:72:0e:89
       size: 100Mbit/s
       capacity: 100Mbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8105e-1.fw ip=192.168.0.103 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
       resources: irq:40 ioport:2000(size=256) memory:d0404000-d0404fff memory:d0400000-d0403fff

rfkill 列出全部

0: ideapad_wlan: Wireless LAN
    Soft blocked: no
    Hard blocked: yes
1: ideapad_bluetooth: Bluetooth
    Soft blocked: no
    Hard blocked: yes
2: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: yes
3: acer-wireless: Wireless LAN
    Soft blocked: yes
    Hard blocked: no

答案1

您可能遭遇了内核模块冲突acer-wmi

rfkill list all说是“acer-wireless:软阻止:是”

请尝试以下操作:

sudo modprobe -r acer-wmi
cd /etc/modprobe.d
sudo nano blacklist.conf

然后blacklist acer-wmi在文件末尾添加新行。

保存并重新启动。

再次重新运行rfkill list all- 如果仍然有“硬阻止”,则您已通过开关或 Fn 键类型的无线开/关禁用了 wifi。

在某些笔记本电脑上,硬件开关可能很小,很难找到 - 请查看笔记本电脑手册。

答案2

sudo modprobe -r acer-wmi
cd /etc/modprobe.d
sudo nano blacklist.conf

然后blacklist acer-wmi在文件末尾添加新行。

完成上述操作后。

rfkill list all

    0: ideapad_wlan: Wireless LAN
        Soft blocked: no
        Hard blocked: no
    1: ideapad_bluetooth: Bluetooth
        Soft blocked: no
        Hard blocked: no
    3: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: yes
    5: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no

但无法启用无线。网络连接下拉菜单上的 enablewireless 文本被禁用。

即使开关已打开,物理硬块仍处于禁用状态。这是 bios 的问题。

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/577114

您需要将 BIOS 设置重置为默认值。

重启时按 F2 按 F9 重置 按 F10 保存重置设置。

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/577114/comments/42

这对我有用。感谢@fossfreedom 和其他人。联想 ideapad Z570 无线问题已修复

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