No Wifi in Linux Mint After it Has Been Working

[chapexs]

Hi guys, same problem as described here, could you help me please? Thanks!

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System:    Host: cxone-S400CA Kernel: 4.15.0-42-generic x86_64
           bits: 64 gcc: 7.3.0
           Desktop: Cinnamon 3.8.9 (Gtk 3.22.30-1ubuntu1)
           Distro: Linux Mint 19 Tara
Machine:   Device: laptop System: ASUSTeK product: S400CA v: 1.0 serial: N/A
           Mobo: ASUSTeK model: S400CA v: 1.0 serial: N/A
           BIOS: American Megatrends v: S400CA.210 date: 01/27/2014
Battery    BAT0: charge: 6.8 Wh 19.2% condition: 35.5/45.3 Wh (78%)
           model: ASUSTek X402--40 status: Charging
           hidpp__0: charge: N/A condition: NA/NA Wh
           model: Logitech Wireless Mouse M335 status: N/A
CPU:       Dual core Intel Core i5-3317U (-MT-MCP-) 
           arch: Ivy Bridge rev.9 cache: 3072 KB
           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 6784
           clock speeds: max: 2600 MHz 1: 2394 MHz 2: 2520 MHz 3: 2394 MHz
           4: 2546 MHz
Graphics:  Card: Intel 3rd Gen Core processor Graphics Controller
           bus-ID: 00:02.0
           Display Server: x11 (X.Org 1.19.6 )
           drivers: modesetting (unloaded: fbdev,vesa)
           Resolution: 1366x768@60.10hz
           OpenGL: renderer: Mesa DRI Intel Ivybridge Mobile
           version: 4.2 Mesa 18.0.5 Direct Render: Yes
Audio:     Card Intel 7 Series/C216 Family High Def. Audio Controller
           driver: snd_hda_intel bus-ID: 00:1b.0
           Sound: Advanced Linux Sound Architecture v: k4.15.0-42-generic
Network:   Card-1: Intel Centrino Advanced-N 6235
           driver: iwlwifi bus-ID: 02:00.0
           IF: wlp2s0 state: down mac: <filter>
           Card-2: Qualcomm Atheros AR8161 Gigabit Ethernet
           driver: alx port: e000 bus-ID: 03:00.0
           IF: enp3s0 state: up speed: 100 Mbps duplex: full mac: <filter>
           Card-3: Atmel usb-ID: 001-006
           IF: null-if-id state: N/A speed: N/A duplex: N/A mac: N/A
Drives:    HDD Total Size: 240.1GB (61.6% used)
           ID-1: /dev/sda model: KINGSTON_SA400S3 size: 240.1GB
Partition: ID-1: / size: 29G used: 13G (49%) fs: ext4 dev: /dev/sda5
           ID-2: /home size: 182G used: 116G (68%) fs: ext4 dev: /dev/sda6
           ID-3: swap-1 size: 10.24GB used: 1.23GB (12%)
           fs: swap dev: /dev/sda1
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: 66.0C mobo: N/A
           Fan Speeds (in rpm): cpu: 3300
Info:      Processes: 363 Uptime: 9:31 Memory: 8674.1/9879.1MB
           Init: systemd runlevel: 5 Gcc sys: 7.3.0
           Client: Shell (bash 4.4.191) inxi: 2.3.56 

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0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
6: hci0: Bluetooth
	Soft blocked: no
	Hard blocked: no

[Pierre]

Hi chapexs ,

it would be prudent to start another post about your own issue,
and then give further details on what is happening with your machine.

[chapexs]

Hi Pierre,

The fact is that is the same issue, I was using my computer normally and from one moment to other when I was working my internet connection stops and no wireless connection was possible because it seems to have my wifi card uninstall. Both wifi and bluetooth works in the same card but bluetooth is working normally. I can get my wifi card working again if I restart my computer but it stops working after some time, do you think is better to start a new post?
Thanks and regards