no wireless interface found in raspberry pi zero W

[TinaHsing]

I can't use wifi in my raspberry zero W
I googled many sites but still can't solve this issue.
Can someone helps me?

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uname -a

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Linux raspberrypi 4.14.98+ #1200 Tue Feb 12 20:11:02 GMT 2019 armv61 GNU/Linux

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sudo ifconfig

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wlan0: flags = 4099<UP, BROADCAST, MULTICAST>  mtu 1500
ether b8:27:eb:3b:a1:02 txqueelen 1000(Ethernet) 

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cat /etc/os-release

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PRETTY_NAME="Raspbian GNU/Linux 9 (stretch)
NAME = "Raspbian GNU/Linux
VERSION_ID ="9 (stretch)"
ID = raspbian
ID_LIKE =debian

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cat wap_supplicant.conf

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ctrl_interface=DIR=/var/run/wap_suppplicant GROUP=netdev
update_config -1
country = TW

network ={
	ssid = "myssid"
	psk="mypasswd"
	priority = 1
}

in

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/etc/network/interfaces

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#interfaces(5) file used by ifup(8) and ifdown(8)
#plese note that this file is written to bu used with dhcpcd
#for static IP, consult /etc/dhcpcd.conf and 'man dhcpcd.conf'
#include files from /etc/network/interface.d:
source-directory /etc/netowork/interfaces.d

[pcmanbob]

Hi.

Please post the results of these commands

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cat /proc/cpuinfo

rfkill list

[neilgl]

Should it be in wpa_supplicant.conf

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update_config=1

not

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update_config -1

[DirkS]

Should it be in wpa_supplicant.conf

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update_config=1

not

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update_config -1

+ 1

I would also get rid of all the spaces around the equal signs.
IIRC wpa_supplicant is a bit touchy about these.

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ctrl_interface=DIR=/var/run/wap_suppplicant GROUP=netdev
update_config=1
country=TW

network={
	ssid="myssid"
	psk="mypasswd"
}

(priority is useless with just 1 network block)