Arch Linux

pingalpie

Member

Registered: 2022-09-09

Posts: 2

bluetooth error

I ran `bluetoothctl connect <mac_address_of_my_earphones>` output is below.

 No default controller available 

2ManyDogs

Forum Fellow

Registered: 2012-01-15

Posts: 4,648

Re: bluetooth error

In the absence of any other information, I have to ask if you have read this wiki section: https://wiki.archlinux.org/title/Blueto … _available

Otherwise, you will have to provide more information. See the following links for more about how to ask better questions:

https://bbs.archlinux.org/viewtopic.php?id=57855
http://www.catb.org/~esr/faqs/smart-que … tml#before

Moving to Newbie Corner.

pingalpie

Member

Registered: 2022-09-09

Posts: 2

Re: bluetooth error

Um I have found something

$ hciconfig
hci0:	Type: Primary  Bus: USB
	BD Address: 70:66:55:22:84:BC  ACL MTU: 1024:8  SCO MTU: 50:8
	UP RUNNING PSCAN 
	RX bytes:760 acl:0 sco:0 events:58 errors:0
	TX bytes:3661 acl:0 sco:0 commands:58 errors:0

$ ifconfig wlp1s0
wlp1s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.0.250  netmask 255.255.255.0  broadcast 192.168.0.255
        inet6 fe80::9864:a387:ce70:70f1  prefixlen 64  scopeid 0x20<link>
        ether 70:66:55:22:84:bd  txqueuelen 1000  (Ethernet)
        RX packets 38452  bytes 49972736 (47.6 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 17989  bytes 2639286 (2.5 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

could mac address of bluetooth adapter and wifi  adapter be same?
and
btw I don't know what happened but after I started my laptop today then bluetoothctl is working perfectly!