我第一次安装了 Ubuntu，它看起来很棒。我使用其他线程的说明使有线互联网正常工作，但无法使无线网络正常工作。
请参阅下面的终端屏幕输出。非常感谢您的帮助
oliverd@oliverd-Inspiron-1501:~$ lsmod
Module Size Used by
joydev 17381 0
dm_crypt 23177 0
dell_wmi 12761 0
sparse_keymap 13948 1 dell_wmi
snd_hda_codec_idt 54645 1
dell_laptop 18168 0
dcdbas 14928 1 dell_laptop
snd_hda_intel 52355 3
snd_hda_codec 192906 2 snd_hda_codec_idt,snd_hda_intel
snd_hwdep 13602 1 snd_hda_codec
snd_pcm 102099 2 snd_hda_codec,snd_hda_intel
snd_page_alloc 18710 2 snd_pcm,snd_hda_intel
kvm_amd 59987 0
b43 387371 0
snd_seq_midi 13324 0
kvm 451511 1 kvm_amd
snd_seq_midi_event 14899 1 snd_seq_midi
bcma 52096 1 b43
snd_rawmidi 30144 1 snd_seq_midi
snd_seq 61560 2 snd_seq_midi_event,snd_seq_midi
mac80211 626489 1 b43
psmouse 102222 0
snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi
edac_core 62291 0
snd_timer 29482 2 snd_pcm,snd_seq
serio_raw 13462 0
k8temp 12978 0
edac_mce_amd 22617 0
sp5100_tco 13979 0
snd 69238 16 snd_hwdep,snd_timer,snd_hda_codec_idt,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_seq_midi
cfg80211 484040 2 b43,mac80211
soundcore 12680 1 snd
i2c_piix4 22155 0
ssb_hcd 12869 0
rfcomm 69160 0
bnep 19624 2
shpchp 37032 0
bluetooth 395423 10 bnep,rfcomm
parport_pc 32701 0
ppdev 17671 0
lp 17759 0
mac_hid 13205 0
parport 42348 3 lp,ppdev,parport_pc
pata_acpi 13038 0
b44 40234 0
sdhci_pci 23172 0
radeon 1514165 3
sdhci 43015 1 sdhci_pci
mii 13934 1 b44
pata_atiixp 13271 0
video 19476 0
i2c_algo_bit 13413 1 radeon
ttm 85115 1 radeon
wmi 19177 1 dell_wmi
drm_kms_helper 52758 1 radeon
drm 302817 5 ttm,drm_kms_helper,radeon
ssb 62379 3 b43,b44,ssb_hcd
ahci 25819 2
libahci 32168 1 ahci
oliverd@oliverd-Inspiron-1501:~$ dmesg | grep b4
[ 1.540144] usb usb4: New USB device found, idVendor=1d6b, idProduct=0001
[ 1.540149] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.540152] usb usb4: Product: OHCI PCI host controller
[ 1.540156] usb usb4: Manufacturer: Linux 3.13.0-24-generic ohci_hcd
[ 1.540160] usb usb4: SerialNumber: 0000:00:13.2
[ 1.775892] Freeing unused kernel memory: 708K (ffff880001b4f000 - ffff880001c00000)
[ 2.056503] b44: Broadcom 44xx/47xx 10/100 PCI ethernet driver version 2.0
[ 2.077277] b44 ssb1:0 eth0: Broadcom 44xx/47xx 10/100 PCI ethernet driver 00:19:b9:62:59:aa
[ 5.672719] b43-phy0: Broadcom 4311 WLAN found (core revision 10)
[ 5.719298] b43-phy0: Found PHY: Analog 4, Type 2 (G), Revision 8
[ 5.740934] b43 ssb0:0: Direct firmware load failed with error -2
[ 5.740944] b43 ssb0:0: Falling back to user helper
[ 6.673348] b43 ssb0:0: Direct firmware load failed with error -2
[ 6.673358] b43 ssb0:0: Falling back to user helper
[ 6.812120] b43 ssb0:0: Direct firmware load failed with error -2
[ 6.812129] b43 ssb0:0: Falling back to user helper
[ 6.819769] b43 ssb0:0: Direct firmware load failed with error -2
[ 6.819777] b43 ssb0:0: Falling back to user helper
[ 6.827963] b43-phy0 ERROR: Firmware file "b43/ucode5.fw" not found
[ 6.827971] b43-phy0 ERROR: Firmware file "b43-open/ucode5.fw" not found
[ 6.827976] b43-phy0 ERROR: You must go to http://wireless.kernel.org/en/users/Drivers/b43#devicefirmware and download the correct firmware for this driver version. Please carefully read all instructions on this website.
[ 55.516262] b44 ssb1:0 eth0: powering down PHY
[ 57.212702] Modules linked in: joydev dm_crypt dell_wmi sparse_keymap snd_hda_codec_idt dell_laptop dcdbas snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc kvm_amd b43 snd_seq_midi kvm snd_seq_midi_event bcma snd_rawmidi snd_seq mac80211 psmouse snd_seq_device edac_core snd_timer serio_raw k8temp edac_mce_amd sp5100_tco snd cfg80211 soundcore i2c_piix4 ssb_hcd rfcomm bnep shpchp bluetooth parport_pc ppdev lp mac_hid parport pata_acpi b44 sdhci_pci radeon sdhci mii pata_atiixp video i2c_algo_bit ttm wmi drm_kms_helper drm ssb ahci libahci
[ 57.212779] [<ffffffff810b40a5>] suspend_devices_and_enter+0x315/0x440
[ 57.212782] [<ffffffff810b4348>] pm_suspend+0x178/0x260
[ 57.212796] [<ffffffff811b9534>] vfs_write+0xb4/0x1f0
[ 61.920111] Corrupted low memory at ffff880000007bd8 (7bd8 phys) = 20107c00e5cb4839
[ 61.920157] Modules linked in: joydev dm_crypt dell_wmi sparse_keymap snd_hda_codec_idt dell_laptop dcdbas snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc kvm_amd b43 snd_seq_midi kvm snd_seq_midi_event bcma snd_rawmidi snd_seq mac80211 psmouse snd_seq_device edac_core snd_timer serio_raw k8temp edac_mce_amd sp5100_tco snd cfg80211 soundcore i2c_piix4 ssb_hcd rfcomm bnep shpchp bluetooth parport_pc ppdev lp mac_hid parport pata_acpi b44 sdhci_pci radeon sdhci mii pata_atiixp video i2c_algo_bit ttm wmi drm_kms_helper drm ssb ahci libahci
oliverd@oliverd-Inspiron-1501:~$ ifconfig
eth0 Link encap:Ethernet HWaddr 00:19:b9:62:59:aa
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:21
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:32 errors:0 dropped:0 overruns:0 frame:0
TX packets:32 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2528 (2.5 KB) TX bytes:2528 (2.5 KB)
答案1
由于 Ubuntu 正在加载 b43 驱动程序，因此您的卡只有一种可能性您需要该卡的固件，sudo apt-get install firmware-b43-installer然后重新启动
如果不起作用，请检查rfkill list all是否存在任何硬块或软块，如果没有发现
我怀疑你的电脑会使用 bcmwl-kernel-source，因为安装它会将你的以太网驱动程序列入黑名单-b44