我问的是怎样打开 WLAN？当我点击连接（或其他）按钮时，我试图打开无线连接，但无法连接，所以你们能帮帮我吗？
更多信息。
lsmod 代码：
Module Size Used by
ppp_deflate 12878 0
zlib_deflate 26622 1 ppp_deflate
bsd_comp 12842 0
ppp_async 17307 1
crc_ccitt 12595 1 ppp_async
parport_pc 32114 0
ppdev 12849 0
joydev 17393 0
rfcomm 38408 0
bnep 17923 2
option 25463 2
usb_wwan 19779 1 option
arc4 12473 2
snd_hda_codec_realtek 254125 1
usbserial 37203 7 option,usb_wwan
snd_hda_intel 24262 2
hso 33389 0
snd_hda_codec 91754 2 snd_hda_codec_realtek,snd_hda_intel
ath5k 145100 0
snd_hwdep 13276 1 snd_hda_codec
uvcvideo 67271 0
videodev 85626 1 uvcvideo
snd_pcm 80435 2 snd_hda_intel,snd_hda_codec
ath 19387 1 ath5k
mac80211 393459 1 ath5k
btusb 18160 0
psmouse 73673 0
serio_raw 12990 0
bluetooth 148839 11 bnep,rfcomm,btusb
snd_seq_midi 13132 0
snd_rawmidi 25241 1 snd_seq_midi
snd_seq_midi_event 14475 1 snd_seq_midi
snd_seq 51567 2 snd_seq_midi,snd_seq_midi_event
snd_timer 28932 2 snd_pcm,snd_seq
snd_seq_device 14172 3 snd_seq_midi,snd_rawmidi,snd_seq
i915 505159 3
cfg80211 172392 3 ath5k,ath,mac80211
snd 55902 13 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
binfmt_misc 17292 1
drm_kms_helper 32889 1 i915
drm 192194 4 i915,drm_kms_helper
soundcore 12600 1 snd
snd_page_alloc 14115 2 snd_hda_intel,snd_pcm
i2c_algo_bit 13199 1 i915
video 18908 1 i915
lp 17455 0
parport 40930 3 parport_pc,ppdev,lp
usb_storage 44173 0
uas 17699 0
ahci 21634 2
libahci 25727 1 ahci
atl1e 32809 0
lspci 代码：
00:00.0 Host bridge: Intel Corporation Mobile 945GME Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GME Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 02)
00:1c.2 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 3 (rev 02)
00:1c.3 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 4 (rev 02)
00:1d.0 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 02)
00:1d.3 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 02)
00:1d.7 USB Controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 02)
00:1f.2 SATA controller: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA AHCI Controller (rev 02)
00:1f.3 SMBus: Intel Corporation N10/ICH 7 Family SMBus Controller (rev 02)
01:00.0 Ethernet controller: Atheros Communications AR8121/AR8113/AR8114 Gigabit or Fast Ethernet (rev b0)
02:00.0 Ethernet controller: Atheros Communications Inc. AR242x / AR542x Wireless Network Adapter (PCI-Express) (rev 01)
sudo lshw -class 网络代码：
*-network
description: Ethernet interface
product: AR8121/AR8113/AR8114 Gigabit or Fast Ethernet
vendor: Atheros Communications
physical id: 0
bus info: pci@0000:01:00.0
logical name: eth0
version: b0
serial: 00:23:8b:a1:e7:2b
capacity: 100Mbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=ATL1E driverversion=1.0.0.7-NAPI firmware=L1e latency=0 link=no multicast=yes port=twisted pair
resources: irq:45 memory:55200000-5523ffff ioport:3000(size=128)
*-network DISABLED
description: Wireless interface
product: AR242x / AR542x 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: 00:24:2b:e3:0f:72
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ath5k driverversion=3.0.0-14-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11bg
resources: irq:18 memory:54100000-5410ffff
lsusb代码：
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 064e:a102 Suyin Corp. Acer/Lenovo Webcam [CN0316]
Bus 001 Device 026: ID 0af0:7601 Option Globetrotter MO40x 3G Modem (GTM 382)
Bus 001 Device 024: ID 12d1:1506 Huawei Technologies Co., Ltd.
sudo rfkill 列表代码：
2: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes
8: hso-7: Wireless WAN
Soft blocked: no
Hard blocked: no
这些信息足够吗？
答案1
我在意大利 ubuntuforums 上找到了这个解决方案；我把它翻译给你：
打开文件/etc/modprobe.d/blacklist.conf执行命令：
sudo gedit /etc/modprobe.d/blacklist.conf
检查是否发现：
#blacklist acer_wmi
并抹去数字符号。如果找不到，请在末尾添加：
blacklist acer_wmi
（显然没有数字符号）
保存并重新启动。
然后执行：
sudo rfkill list