Arch Linux

metiu19

Member

Registered: 2020-10-29

Posts: 8

Arch can't see wifi card after installation

I fresh installed Arch following the official guide, using the latest iso.
Everything goes ok, but durin the installation process I use the wifi, connect it with iwctl and everything work, when I restarted logged in with root in CLI and with ip link I can't see the wifi card.
I have a ethernet port, I think the problem is that the installation doesn't have the right driver, how I can se what wifi card I have so I can download the right driver? and how I can install them?

Head_on_a_Stick

Member

From: The Wirral

Registered: 2014-02-20

Posts: 8,796

Website

Re: Arch can't see wifi card after installation

https://bbs.archlinux.org/viewtopic.php … 0#p1952710

---

Jin, Jîyan, Azadî

metiu19

Member

Registered: 2020-10-29

Posts: 8

Re: Arch can't see wifi card after installation

https://bbs.archlinux.org/viewtopic.php … 0#p1952710

I already installed it with pacstrap

Head_on_a_Stick

Member

From: The Wirral

Registered: 2014-02-20

Posts: 8,796

Website

Re: Arch can't see wifi card after installation

Can we see

dmesg|grep firmware
ip link

---

Jin, Jîyan, Azadî

Scimmia

Fellow

Registered: 2012-09-01

Posts: 12,431

Re: Arch can't see wifi card after installation

What card is it?

metiu19

Member

Registered: 2020-10-29

Posts: 8

Re: Arch can't see wifi card after installation

Can we see

dmesg|grep firmware
ip link

dmesg|grep firmware
[0.153889] Spectre V2 : Enabling Restricted Speculation for firmware calls
[1.527862] psmouse serio4: elantech: assuming hardware version 4 (with firmware version 0x381f05)
[8.686248] Bluetooth: hci0: BCM: firmware Patch file not found, tried:

ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: enp3s0fs: <BRODCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
     link/ether 78:24:af:71:ebaa brd ff:ff:ff:ff:ff:ff

metiu19

Member

Registered: 2020-10-29

Posts: 8

Re: Arch can't see wifi card after installation

What card is it?

I don't know

EDIT:
with

lspci -k

I can see the card name is:

Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n (rev 01)

Last edited by metiu19 (2021-01-31 15:01:42)

Head_on_a_Stick

Member

From: The Wirral

Registered: 2014-02-20

Posts: 8,796

Website

Re: Arch can't see wifi card after installation

The ArchWiki has an entire page devoted to Broadcom devices and I would suggest that you read it.

---

Jin, Jîyan, Azadî