Ttgjyuk

I just installed Ubuntu 18.04.2 LTS, however, I cannot use the Intel Corporation Wireless 72600 (Wireless-N 7260) component.

I´m getting this error message: No Wi-Fi Adapter Found.

Could you please assist?

I cannot access the internet.

For more information or further details, please see the outputs below.

lspci

carlos@carlos-Dell-System-Inspiron-15-7000-Series-7537:~$ lspci
00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 09)
00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 09)
00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04)
00:16.0 Communication controller: Intel Corporation 8 Series HECI #0 (rev 04)
00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 1 (rev e4)
00:1c.2 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 3 (rev e4)
00:1c.3 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 4 (rev e4)
00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04)
02:00.0 Network controller: Intel Corporation Wireless 7260 (rev 63)
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTL8411B PCI Express Card Reader (rev 01)
03:00.1 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 12)
carlos@carlos-Dell-System-Inspiron-15-7000-Series-7537:~$

lshw -C network

carlos@carlos-Dell-System-Inspiron-15-7000-Series-7537:~$ lshw -C network
WARNING: you should run this program as super-user.
 *-network DISABLED 
 description: Wireless interface
 product: Wireless 7260
 vendor: Intel Corporation
 physical id: 0
 bus info: pci@0000:02:00.0
 logical name: wlp2s0
 version: 63
 serial: 0c:8b:fd:11:12:23
 width: 64 bits
 clock: 33MHz
 capabilities: bus_master cap_list ethernet physical wireless
 configuration: broadcast=yes driver=iwlwifi driverversion=4.18.0-15-generic firmware=17.948900127.0 latency=0 link=no multicast=yes wireless=IEEE 802.11
 resources: irq:46 memory:d0500000-d0501fff
 *-network
 description: Ethernet interface
 product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
 vendor: Realtek Semiconductor Co., Ltd.
 physical id: 0.1
 bus info: pci@0000:03:00.1
 logical name: enp3s0f1
 version: 12
 serial: 78:45:c4:c9:f5:fa
 size: 10Mbit/s
 capacity: 1Gbit/s
 width: 64 bits
 clock: 33MHz
 capabilities: bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
 configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8411-2_0.0.1 07/08/13 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
 resources: irq:19 ioport:3000(size=256) memory:d0404000-d0404fff memory:d0400000-d0403fff
WARNING: output may be incomplete or inaccurate, you should run this program as super-user.
carlos@carlos-Dell-System-Inspiron-15-7000-Series-7537:~$

rfkill list

carlos@carlos-Dell-System-Inspiron-15-7000-Series-7537:~$ rfkill list
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: no
 Hard blocked: no
carlos@carlos-Dell-System-Inspiron-15-7000-Series-7537:~$

cat /etc/modprobe.d/blacklist-dell-rbtn.conf

carlos@carlos-Dell-System-Inspiron-15-7000-Series-7537:~$ cat /etc/modprobe.d/blacklist-dell-rbtn.conf

carlos@carlos-Dell-System-Inspiron-15-7000-Series-7537:~$

Your wireless adapter is blocked by rfkill.

Check if there is a physical switch that may be off, or a BIOS setting.

In case there is no way to switch it on, you can disable dell-rbtn by running

sudo tee /etc/modprobe.d/blacklist-dell-rbtn.conf <<< "blacklist dell_rbtn"

This is ONE COMMAND. Please don't run it partially.

Reboot to apply.