Adaptador de Wi-Fi não encontrado no Ubuntu 18.04

1. Adaptador de Wi-Fi não encontrado no Ubuntu 18.04

Christian Domingues
odarus

(usa Ubuntu)

Enviado em 28/10/2019 - 13:25h

Fala, galera. Há dias eu tenho fritado a cabeça tentando resolver este problemão: meu notebook ASUS X451CA vem com a placa interna Qualcomm Atheros AR9485, que simplesmente não é identificada pelo sistema. Na verdade, às vezes reinicio a máquina e o Ubuntu ESPONTANEAMENTE reconhece a placa. Depois, o problema torna a aparecer. Procurei em mil fóruns, escrevi intermináveis linhas de código no terminal, e NADA resolve. Seria problema no hardware? Peço socorro à comunidade. Obrigado.

Seguem as saídas de alguns comandos úteis:

iwconfig

lo no wireless extensions.

enp3s0f2 no wireless extensions.



lspci
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04)
00:16.0 Communication controller: Intel Corporation 7 Series/C216 Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 7 Series/C216 Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 7 Series/C216 Chipset Family PCI Express Root Port 1 (rev c4)
00:1c.1 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 (rev c4)
00:1c.3 PCI bridge: Intel Corporation 7 Series/C216 Chipset Family PCI Express Root Port 4 (rev c4)
00:1d.0 USB controller: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation HM76 Express Chipset LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 7 Series/C216 Chipset Family SMBus Controller (rev 04)
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5286 PCI Express Card Reader (rev 01)
03:00.2 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller (rev 06)


sudo lshw -C network 

*-network
description: Ethernet interface
product: RTL810xE PCI Express Fast Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0.2
bus info: [email protected]:03:00.2
logical name: enp3s0f2
version: 06
serial: 40:16:7e:a0:67:3e
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 duplex=full firmware=rtl8402-1_0.0.1 10/26/11 ip=192.168.1.102 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
resources: irq:19 ioport:e000(size=256) memory:f7c10000-f7c10fff memory:f0000000-f0003fff


Obs.: o comando sudo rfkill list não retorna nada.


  






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