Olá. Também estou com este problema atualmente. Estou usando um notebook STi IS-1451, e já tem mais de 1 semana que tento varias alternativas para solucionar, mas nada de resolver este problema. Pesquisei em fóruns, sites, etc. e em ultimo caso decidi "incomodar" :-[ a comunidade e pedir ajuda aqui. Fiz todos os passos iniciais depois de instalar como: Atualizar a source.list com contrib non-free; # Debian 8 "Jessie" deb http://httpredir.debian.org/debian/ jessie main contrib non-free Instalei o firmware b43 através do Synaptic; No link: https://wiki.debian.org/wl , fiz os procedimentos: Installation Add a "non-free" component to /etc/apt/sources.list for your Debian version, for example: # Debian 8 "Jessie" deb http://httpredir.debian.org/debian/ jessie main contrib non-free Update the list of available packages. Install the relevant/latest linux-image, linux-headers and broadcom-sta-dkms packages: # apt-get update # apt-get install linux-image-$(uname -r|sed 's,[^-]*-[^-]*-,,') linux-headers-$(uname -r|sed 's,[^-]*-[^-]*-,,') broadcom-sta-dkms This will also install the recommended wireless-tools package. DKMS will build the wl module for your system. Unload conflicting modules: # modprobe -r b44 b43 b43legacy ssb brcmsmac bcma Load the wl module: # modprobe wl Digitei o comando: # iwconfig wlan0 wlan0 No such device Instalei o laptop-mode-tools através do Synaptic. Alterei o WIRELESS_BATT_POWER_SAVING=0 dentro de /etc/laptop-mode/conf.d/wireless-power.conf e reinicie o notebook Depois disso não consegui mais visualizar o wlan0. Antes de fazer os comandos acima do site https://wiki.debian.org/wl eu conseguia visualizar, porem sem ter acesso ao Wifi. Depois pesquisando em alguns fóruns descobri alguns comandos que me mostra as informações sobre o wifi, que pode ser útil. Me apareceu isto: lspci -k |grep -A2 -i network 03:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01) Subsystem: Quanta Microsystems, Inc Device 1102 05:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8055 PCI-E Gigabit Ethernet Controller (rev 11) Drivers: $ ls -l /lib/modules/`uname -r`/kernel/drivers/net/wireless/ total 648 -rw-r--r-- 1 root root 37160 Abr 8 19:21 adm8211.ko -rw-r--r-- 1 root root 7284 Abr 8 19:21 airo_cs.ko -rw-r--r-- 1 root root 96676 Abr 8 19:21 airo.ko -rw-r--r-- 1 root root 53388 Abr 8 19:21 at76c50x-usb.ko drwxr-xr-x 9 root root 4096 Jun 19 19:03 ath -rw-r--r-- 1 root root 10688 Abr 8 19:21 atmel_cs.ko -rw-r--r-- 1 root root 48124 Abr 8 19:21 atmel.ko -rw-r--r-- 1 root root 4196 Abr 8 19:21 atmel_pci.ko drwxr-xr-x 2 root root 4096 Jun 19 19:03 b43 drwxr-xr-x 2 root root 4096 Jun 19 19:03 b43legacy drwxr-xr-x 5 root root 4096 Jun 19 19:03 brcm80211 drwxr-xr-x 2 root root 4096 Jun 19 19:03 hostap drwxr-xr-x 2 root root 4096 Jun 19 19:03 ipw2x00 drwxr-xr-x 2 root root 4096 Jun 19 19:03 iwlegacy drwxr-xr-x 4 root root 4096 Jun 19 19:03 iwlwifi drwxr-xr-x 2 root root 4096 Jun 19 19:03 libertas drwxr-xr-x 2 root root 4096 Jun 19 19:03 libertas_tf -rw-r--r-- 1 root root 49656 Abr 8 19:21 mac80211_hwsim.ko drwxr-xr-x 2 root root 4096 Jun 19 19:03 mwifiex -rw-r--r-- 1 root root 64476 Abr 8 19:21 mwl8k.ko drwxr-xr-x 2 root root 4096 Jun 19 19:03 orinoco drwxr-xr-x 2 root root 4096 Jun 19 19:03 p54 -rw-r--r-- 1 root root 63056 Abr 8 19:21 ray_cs.ko -rw-r--r-- 1 root root 62060 Abr 8 19:21 rndis_wlan.ko drwxr-xr-x 2 root root 4096 Jun 19 19:03 rsi drwxr-xr-x 2 root root 4096 Jun 19 19:03 rt2x00 drwxr-xr-x 4 root root 4096 Jun 19 19:03 rtl818x drwxr-xr-x 12 root root 4096 Jun 19 19:03 rtlwifi -rw-r--r-- 1 root root 29420 Abr 8 19:21 wl3501_cs.ko -rw-r--r-- 1 root root 29176 Abr 8 19:21 zd1201.ko drwxr-xr-x 2 root root 4096 Jun 19 19:03 zd1211rw # lspci -nn -d 14e4: 03:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01) Driver carregado: ~$ lspci -k |grep -A2 -i network 03:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01) Subsystem: Quanta Microsystems, Inc Device 1102 05:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8055 PCI-E Gigabit Ethernet Controller (rev 11) $ lspci 00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03) 00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML 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 NM10/ICH7 Family High Definition Audio Controller (rev 02) 00:1c.0 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 1 (rev 02) 00:1c.1 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 2 (rev 02) 00:1c.2 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 3 (rev 02) 00:1d.0 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #1 (rev 02) 00:1d.1 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #2 (rev 02) 00:1d.2 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #3 (rev 02) 00:1d.3 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #4 (rev 02) 00:1d.7 USB controller: Intel Corporation NM10/ICH7 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-M Family) SATA Controller [AHCI mode] (rev 02) 00:1f.3 SMBus: Intel Corporation NM10/ICH7 Family SMBus Controller (rev 02) 03:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01) 05:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8055 PCI-E Gigabit Ethernet Controller (rev 11) 07:01.0 CardBus bridge: Texas Instruments PCIxx12 Cardbus Controller 07:01.1 FireWire (IEEE 1394): Texas Instruments PCIxx12 OHCI Compliant IEEE 1394 Host Controller 07:01.2 Mass storage controller: Texas Instruments 5-in-1 Multimedia Card Reader (SD/MMC/MS/MS PRO/xD) 07:01.3 SD Host controller: Texas Instruments PCIxx12 SDA Standard Compliant SD Host Controller # ifconfig -a eth0 Link encap:Ethernet Endereço de HW 00:1b:24:47:96:a2 inet end.: 192.168.0.20 Bcast:192.168.0.255 Masc:255.255.255.0 endereço inet6: fe80::21b:24ff:fe47:96a2/64 Escopo:Link UP BROADCASTRUNNING MULTICAST MTU:1500 Métrica:1 RX packets:78036 errors:0 dropped:0 overruns:0 frame:0 TX packets:62759 errors:0 dropped:0 overruns:0 carrier:0 colisões:0 txqueuelen:1000 RX bytes:71494430 (68.1 MiB) TX bytes:7452824 (7.1 MiB) IRQ:18 lo Link encap:Loopback Local inet end.: 127.0.0.1 Masc:255.0.0.0 endereço inet6: ::1/128 Escopo:Máquina UP LOOPBACKRUNNING MTU:65536 Métrica:1 RX packets:34 errors:0 dropped:0 overruns:0 frame:0 TX packets:34 errors:0 dropped:0 overruns:0 carrier:0 colisões:0 txqueuelen:0 RX bytes:3547 (3.4 KiB) TX bytes:3547 (3.4 KiB) (wlan0) sumiu! digitei o comando # rfkill list mas não aparece nada |