Dell wifi linux driver

Dell Latitude 7490 Mint 21.1 Ker 5.15.0.76 Cinn 5.6.8

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Ubuntu 20.04 — No wifi adapter found DELL

I know there are many questions about this, but no one works for me. I have been more than a week testing blogs, github and forum solutions, actually I really don’t know what I have installed, blacklisted and created to try to get back my wifi adapter. Problem started after I connect my ipad to my laptop. Manufacturer: Dell Inc. Product Name: Inspiron 3521 Kernel release:

lspci -knn | grep Net -A3; rfkill list 

02:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n [14e4:4365] (rev 01) Subsystem: Dell Wireless 1704 802.11n + BT 4.0 [1028:0016] Kernel modules: bcma, wl 0: hci0: Bluetooth Soft blocked: no Hard blocked: no 

modprobe: FATAL: Module wl not found in directory /lib/modules/5.4.0-37-generic 

/etc/modprobe.d/iwlwifi.conf:# /etc/modprobe.d/iwlwifi.conf /etc/modprobe.d/iwlwifi.conf:# iwlwifi will dyamically load either iwldvm or iwlmvm depending on the /etc/modprobe.d/iwlwifi.conf:# microcode file installed on the system. When removing iwlwifi, first /etc/modprobe.d/iwlwifi.conf:# remove the iwl?vm module and then iwlwifi. /etc/modprobe.d/iwlwifi.conf:remove iwlwifi \ /etc/modprobe.d/iwlwifi.conf:(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \ /etc/modprobe.d/RTL810xE.conf:options RTL810xE fwlps=N 

secure boot disable load legacy option Enable Boot list option legacy 

Secure Boot not enabled on this system. Done. if I throw sudo apt install —reinstall bcmwl-kernel-source :

wl.ko: Running module version sanity check. - Original module - No original module exists within this kernel - Installation - Installing to /lib/modules/5.4.0-37-generic/updates/dkms/ depmod. DKMS: install completed. update-initramfs: deferring update (trigger activated) Processing triggers for man-db (2.9.1-1) . Processing triggers for initramfs-tools (0.136ubuntu6) . update-initramfs: Generating /boot/initrd.img-5.4.0-37-generic 

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Ubuntu 18.04 No WiFi adapter found [Dell Inspiron 3542.]

Just installed Ubuntu 18.04 but my WiFi adapter Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter doesn’t work or even appear in the system settings. output of lspci -knn | grep Net -A3:

> rahul@rahul-Inspiron-3542:~$ lspci -knn | grep Net -A3 06:00.0 Network controller [0280]: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter [168c:0036] (rev 01) Subsystem: Dell QCA9565 / AR9565 Wireless Network Adapter [1028:020c] Kernel driver in use: ath9k Kernel modules: ath9k 07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 07) 

rahul@rahul-Inspiron-3542:~$ lspci -knn | grep Net -A2 06:00.0 Network controller [0280]: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter [168c:0036] (rev 01) Subsystem: Dell QCA9565 / AR9565 Wireless Network Adapter [1028:020c] Kernel driver in use: ath9k Kernel modules: ath9k 

rahul@rahul-Inspiron-3542:~$ sudo rfkill list [sudo] password for rahul: 0: dell-rbtn: Wireless LAN Soft blocked: yes Hard blocked: yes 1: phy0: Wireless LAN Soft blocked: no Hard blocked: no 2: hci0: Bluetooth Soft blocked: yes Hard blocked: no 

rahul@rahul-Inspiron-3542:~$ sudo lshw -C network *-network DISABLED description: Wireless interface product: QCA9565 / AR9565 Wireless Network Adapter vendor: Qualcomm Atheros physical id: 0 bus info: pci@0000:06:00.0 logical name: wlp6s0 version: 01 serial: 4c:bb:58:30:aa:07 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless configuration: broadcast=yes driver=ath9k driverversion=4.17.11-041711-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11 resources: irq:18 memory:f7900000-f797ffff memory:f7980000-f798ffff *-network description: Ethernet interface product: RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:07:00.0 logical name: enp7s0 version: 07 serial: 74:e6:e2:14:2a:c8 size: 10Mbit/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 driverversion=2.3LK-NAPI duplex=half firmware=rtl8106e-1_0.0.1 06/29/12 latency=0 link=no multicast=yes port=MII speed=10Mbit/s resources: irq:19 ioport:e000(size=256) memory:f7800000-f7800fff memory:f2100000-f2103fff *-network description: Ethernet interface physical id: 2 logical name: enp0s20u1 serial: 7a:14:5b:44:b4:96 capabilities: ethernet physical configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.109 link=yes multicast=yes 

rahul@rahul-Inspiron-3542:~$ dmesg | grep ath9k [ 23.712505] ath9k 0000:06:00.0 wlp6s0: renamed from wlan0 

rahul@rahul-Inspiron-3542:~$ sudo iw dev [sudo] password for rahul: phy#0 Interface wlp6s0 ifindex 3 wdev 0x1 addr 4c:bb:58:30:aa:07 type managed txpower 0.00 dBm 

output of dmesg Output of dmesg I already tried so many solutions but nothing works for me , I’m looking for answer from so many days. Please Someone solve my issue . If anyone want any other information please let me know. Any help would be greatly appreciated.

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Drivers for Dell Latitude wireless adapter

I believe that is the Broadcom BCM4322. I would think Mint would have drivers for this.
So, how do you get internet without Wifi?
Do you have an ethernet connection you can use temporarily?

shinnen

New Member

Hi dos2unix,
Yes, I have BCM4324, and I’m able to connect by wire. However Wifi does not work, for some reason.
I’m new to Linux. My daughter gave me this laptop, with Windows 7, which I have not been able to boot up; so I decided this would be a good time to give the Linux, I downloaded a few months ago, a try. I have several Windows computers, so I’m not stuck.
. john

I believe that is the Broadcom BCM4322. I would think Mint would have drivers for this.
So, how do you get internet without Wifi?
Do you have an ethernet connection you can use temporarily?

jglen490

Well-Known Member

The next brick house on the left .
HP-ENVY-x360, i7-1165G7, 12GB, 500GB, Kubuntu 20.04.2 LTS, 5.8.0-41-generic x86_64
DISCLAIMER: I do not dual boot with Windows, and never will. I use Windows at work, because life is hard but the paycheck is good.

shinnen

New Member

Hi jglen,
That’s odd. On my computer your commands show up as sudo 1shw -c network and 1spci; but Linux suggested I use lspci instead of 1spci. However, when I copy and paste what your commands into my reply the 1s shows up as a ls . very odd.
In any event when I use ls instead on 1s I get blocks of information from both commands. The problems is that I have no idea how to copy and paste these into the forum post.
Thanks,
. john

dos2unix

Well-Known Member

It is supposed to be lowercase L’s.

Do you have an Xwindows GUI desktop on your linux system?
Copy and paste in Linux is exactly the same as in Windows.

Highlite whatever you want copied, press the Crtl and the C keys at the same time.
Click your mouse into the window (the forum message you are posting a reply into)
and press the Crtl and the V keys at the same time.

If for some reason you cannot paste the output, at least type in the line that is similar to..

09:00.0 Network controller: Intel Corporation Wireless 8260 (rev 3a)

You should at least one line (maybe more) that says Network controller or Wireless
in it somewhere.

shinnen

New Member

Hi dos2unix,
Oops! I thought it was a «1».
Here’s what I copied. I hope it’s what you want. I’m not at all familiar with Linux. (No, Windows 7 is on this computer, but it doesn’t work.)
Thanks for your help.
*-network DISABLED
description: Wireless interface
product: BCM43224 802.11a/b/g/n
vendor: Broadcom Corporation
physical id: 0
bus info: [email protected]:02:00.0
logical name: wlp2s0
version: 01
serial: 5c:ac:4c:65:43:ec
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=wl0 driverversion=6.30.223.271 (r587334) latency=0 multicast=yes wireless=IEEE 802.11
resources: irq:17 memory:f5500000-f5503fff
*-network
description: Ethernet interface
product: NetXtreme BCM5761e Gigabit Ethernet PCIe
vendor: Broadcom Corporation
physical id: 0
bus info: [email protected]:0b:00.0
logical name: enp11s0
version: 10
serial: f0:4d:a2:82:fa:1e
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm vpd msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.137 firmware=5761e-v3.73 latency=0 link=no multicast=yes port=twisted pair
resources: irq:28 memory:f2d10000-f2d1ffff memory:f2d00000-f2d0ffff

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