12-01-2018 12:34 PM
Suddenly Bluetooth and WLAN devices are no more connected to the system.
Seems trouble with Intel Chipset driver:
-> Intel I/O PCI Express Root Port #5 9D14 has CODE 45 (not connected)
-> Qualcomm Atheros QCA61x4A is also not connected CODE 45
Tried latest Chipset driver (10.1.1.45) and WLAN (188.8.131.525) as well as Bluetooth driver => no success.
Disabl WLAN in BIOS - STARTUP - Shutdown - Enable WLAN in BIOS => no success.
Please let me know whether this is a driver issue - and which one!?
I did not install any auxiliaries or any new software during last weeks.
Thank you & greetings mr.
12-02-2018 01:47 AM
Welcome to the community forums.
Please try uninstalling the WIFI and Bluetooth driver first and install the latest drivers including the BIOS. Download it here: https://support.lenovo.com/us/en/?CID=ww:lenovosocial:20x9m6. Let us know if this works.
12-09-2018 11:50 AM
i just tried both: the new Bios (from 5NCN36WW to 5NCN41WW) and the new drives - no change.
Just worse: since tuesday it is impossible to use the internal graphics card and the display of the notebook.
I am afraid I have to send the device back to lenovo.
Thank you & greetings.
12-09-2018 05:25 PM
Thanks for updating us.
Bluetooth are integrated in Wi-Fi in the Yoga 920 as per the PSREF below,
In that case, the issue could be with the Wi-Fi card itself. It would be best to contact our support at +49 201 22099 888 / option 2 / 8am - 6pm Monday - Friday for repair options.
02-12-2019 12:55 PM
my system has now returned from lenovo service
(processing number 7027625581 - replaced hardware:
5B20Q09639 MB L 80Y7 WIN I7-8550 UMA 16G & 01AX713 Wireless CMB LTN NFA344A M2)
Now on first startup I detected that the internal speakers don't work:
either on lenovo diagnostic tool nor on any media player.
The 3.5mm jack works fine - no sound with internal speakers.
USB sound card (Steinberg UR22) works well.
As far as I am an experienced user I can exclude that this is a software issue.
I hope for your quick solution - thank you & greetings