From 1318090 at bugs.launchpad.net  Thu Aug  8 10:32:37 2019
From: 1318090 at bugs.launchpad.net (Marcelo)
Date: Thu, 08 Aug 2019 10:32:37 -0000
Subject: [Bug 1318090] Re: Bluetooth will not pair with Lenovo Bluetooth
 Keyboard
References: <20140509223018.21234.17102.malonedeb@chaenomeles.canonical.com>
Message-ID: <156526035716.15752.1326455881520140254.malone@soybean.canonical.com>

I get it resolved this way in my Ubuntu 18.04.2 LTS. I followed up the
link posted before by cbsuh in the first comment but I can show you how
to pair it quickly and safe:

Be sure you have the tool hcidump installed. If don't, sudo apt install
bluez-hcidump

Run hcitool scan and search for your device.
In my case:
hcitool scan
Scanning ...
	XX:XX:XX:XX:XX:XX	ThinkPad Compact Bluetooth Keyboard with TrackPoint

Next, run "sudo hcidump -at | grep -i passkey" and wait till you see the
line with the passcode you'll have to enter with your keyboard and press
enter.

Now, go to your Bluetooth devices list (when you see your device
listed), and after select it, choose Setup, Pair device and Next (in the
dialogue)

After a few seconds later, you will see the passcode number so enter it quickly and press Enter. You have to slide the lid of the right several times to put the keyboard in Discoverable mode. 
For me, it did not work at first time, but yes at the second time.

In my case:
sudo hcidump -at|grep -i passkey
    bdaddr XX:XX:XX:XX:XX:XX passkey 159066

The command prints out a lot of output, so with the grep you only pay
attention to what's important.

And, now it's paired.

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https://bugs.launchpad.net/bugs/1318090

Title:
  Bluetooth will not pair with Lenovo Bluetooth Keyboard

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From daniel.van.vugt at canonical.com  Fri Aug  9 01:29:56 2019
From: daniel.van.vugt at canonical.com (Daniel van Vugt)
Date: Fri, 09 Aug 2019 01:29:56 -0000
Subject: [Bug 1318090] Re: Bluetooth will not pair with Lenovo Bluetooth
 Keyboard
References: <20140509223018.21234.17102.malonedeb@chaenomeles.canonical.com>
Message-ID: <156531419717.26390.12194964155230619835.launchpad@gac.canonical.com>

** Tags added: bionic

-- 
You received this bug notification because you are a member of
Bluetooth, which is subscribed to gnome-bluetooth in Ubuntu.
https://bugs.launchpad.net/bugs/1318090

Title:
  Bluetooth will not pair with Lenovo Bluetooth Keyboard

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gnome-bluetooth/+bug/1318090/+subscriptions