[SOLVED] Wifi Unavailable.

[omar12aladawy]

I have been using Linux mint 18.3 for quite sometime now and it has been working fine when suddenly out of the blue the wifi stopped working, when enabled just gives me unavailable. I read a ton of forums but nothing seems to work.
here are some code snippets

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System:    Host: omar-Lenovo-ideapad-310-14ISK Kernel: 4.10.0-38-generic x86_64 (64 bit gcc: 5.4.0)
           Desktop: Cinnamon 3.6.7 (Gtk 3.18.9-1ubuntu3.3)
           Distro: Linux Mint 18.3 Sylvia
Machine:   System: LENOVO (portable) product: 80SL v: Lenovo ideapad 310-14ISK
           Mobo: LENOVO model: Toronto 4A2 v: SDK0J40688 WIN
           Bios: LENOVO v: 0XCN20WW date: 02/19/2016
CPU:       Dual core Intel Core i7-6500U (-HT-MCP-) cache: 4096 KB
           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 10368
           clock speeds: max: 3100 MHz 1: 499 MHz 2: 499 MHz 3: 499 MHz
           4: 499 MHz
Graphics:  Card-1: Intel Sky Lake Integrated Graphics bus-ID: 00:02.0
           Card-2: NVIDIA Device 134f bus-ID: 03:00.0
           Display Server: X.Org 1.18.4 driver: nvidia
           Resolution: 1366x768@59.97hz, 1920x1080@60.00hz
           GLX Renderer: GeForce 920MX/PCIe/SSE2
           GLX Version: 4.5.0 NVIDIA 384.130 Direct Rendering: Yes
Audio:     Card Intel Sunrise Point-LP HD Audio
           driver: snd_hda_intel bus-ID: 00:1f.3
           Sound: Advanced Linux Sound Architecture v: k4.10.0-38-generic
Network:   Card-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
           driver: r8169 v: 2.3LK-NAPI port: 4000 bus-ID: 01:00.0
           IF: enp1s0 state: up speed: 100 Mbps duplex: full mac: <filter>
           Card-2: Intel Intel Dual Band Wireless-AC 3165 Plus Bluetooth
           driver: iwlwifi bus-ID: 02:00.0
           IF: wlp2s0 state: down mac: <filter>
Drives:    HDD Total Size: 2000.4GB (5.1% used)
           ID-1: /dev/sda model: WDC_WD10JPCX size: 1000.2GB
           ID-2: USB /dev/sdb model: Elements_25A2 size: 1000.2GB
Partition: ID-1: / size: 115G used: 20G (19%) fs: ext4 dev: /dev/sdb2
           ID-2: /home size: 275G used: 65G (25%) fs: ext4 dev: /dev/sdb4
           ID-3: /boot size: 453M used: 68M (16%) fs: ext4 dev: /dev/sdb1
           ID-4: swap-1 size: 12.00GB used: 0.00GB (0%) fs: swap dev: /dev/sdb3
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: 48.0C mobo: N/A gpu: 0.0:49C
           Fan Speeds (in rpm): cpu: N/A
Info:      Processes: 236 Uptime: 9 min Memory: 1585.1/7887.5MB
           Init: systemd runlevel: 5 Gcc sys: 5.4.0
           Client: Shell (bash 4.3.481) inxi: 2.2.35 

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0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
1: ideapad_wlan: Wireless LAN
	Soft blocked: no
	Hard blocked: no
2: ideapad_bluetooth: Bluetooth
	Soft blocked: no
	Hard blocked: no
3: hci0: Bluetooth
	Soft blocked: no
	Hard blocked: no

I kinda have to submit a project soon so any help would be great.

[JeremyB]

See the wireless script link in my signature and post results

[omar12aladawy]

Here is it.

https://termbin.com/zww3

[JeremyB]

Try

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sudo sed -i 's/3/2/' /etc/NetworkManager/conf.d/*

Reboot

[omar12aladawy]

Worked like a charm !

Thanks Jeremy, you are a lifesaver.