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ubuntu 16.04 wifi not connecting

wifi not connecting on ubuntu 16.04. when go network settings turn wifi toggle on toggles off.

i've tried

$ sudo service network-manager restart 

as multiple other suggestions nothing seems work ...

this got when typed

$ sudo lshw -c network 

into terminal...

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: 0a        serial: ec:b1:d7:df:8d:40        size: 100mbit/s        capacity: 100mbit/s        width: 64 bits        clock: 33mhz        capabilities: pm msi pciexpress msix 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=full firmware=rtl8107e-2_0.0.2 02/26/15 ip=10.50.18.72 latency=0 link=yes multicast=yes port=mii speed=100mbit/s        resources: irq:48 ioport:3000(size=256) memory:c3104000-c3104fff memory:c3100000-c3103fff   *-network disabled        description: wireless interface        product: wireless 3160        vendor: intel corporation        physical id: 0        bus info: pci@0000:08:00.0        logical name: wlp8s0        version: 83        serial: 34:e6:ad:9b:9c:63        width: 64 bits        clock: 33mhz        capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless        configuration: broadcast=yes driver=iwlwifi driverversion=4.4.0-47-generic firmware=16.242414.0 latency=0 link=no multicast=yes wireless=ieee 802.11abgn        resources: irq:52 memory:c3000000-c3001fff

i don't think card recognised ifconfig

 enp7s0    link encap:ethernet  hwaddr ec:b1:d7:df:8d:40             inet addr:10.50.18.72  bcast:10.50.31.255  mask:255.255.240.0           inet6 addr: fe80::18b2:f378:6027:7c2b/64 scope:link           broadcast running multicast  mtu:1500  metric:1           rx packets:15630 errors:0 dropped:0 overruns:0 frame:0           tx packets:7899 errors:0 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:1000            rx bytes:6370690 (6.3 mb)  tx bytes:1605183 (1.6 mb)  lo        link encap:local loopback             inet addr:127.0.0.1  mask:255.0.0.0           inet6 addr: ::1/128 scope:host           loopback running  mtu:65536  metric:1           rx packets:2709 errors:0 dropped:0 overruns:0 frame:0           tx packets:2709 errors:0 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:1            rx bytes:217671 (217.6 kb)  tx bytes:217671 (217.6 kb) 

but think it's recognised in $ sudo lspci -vnn

 08:00.0 network controller [0280]: intel corporation wireless 3160 [8086:08b3] (rev 83)     subsystem: intel corporation dual band wireless ac 3160 [8086:8070]     flags: bus master, fast devsel, latency 0, irq 52     memory @ c3000000 (64-bit, non-prefetchable) [size=8k]     capabilities: [c8] power management version 3     capabilities: [d0] msi: enable+ count=1/1 maskable- 64bit+     capabilities: [40] express endpoint, msi 00     capabilities: [100] advanced error reporting     capabilities: [140] device serial number 34-e6-ad-ff-ff-9b-9c-63     capabilities: [14c] latency tolerance reporting     capabilities: [154] vendor specific information: id=cafe rev=1 len=014      kernel driver in use: iwlwifi     kernel modules: iwlwifi

edit: $ rfkill list prints

 0: acer-wireless: wireless lan     soft blocked: yes     hard blocked: no 1: phy0: wireless lan     soft blocked: no     hard blocked: no 2: hci0: bluetooth     soft blocked: no     hard blocked: no 

i'd appreciate help, in advance.

run in terminal

sudo tee /etc/modprobe.d/blacklist-acer-wmi.conf <<< "blacklist acer_wmi" 

and reboot.