12-08-2017 12:20 AM
Yesterday evening, the USB-C ports of my Lenovo Yoga 920 stopped working suddenly. While working with the computer, the connected external monitor and the laptop screen both went dark and I couldn't revive them by disconnecting/reconnecting any cables or by pressing any keys on the laptop. In the end, I had to force a hard restart of the Yoga 920 by pressing the power button on the right.
After rebooting the laptop, I noticed that it completely failed to communicate with any devices connected to the USB-C port, including my external monitor, keyboard, mouse and Ethernet network. First suspecting an issue with the connected USB-C hub (Kensington USB-C Universal Dock 60W (SD4600P)), I performed a full power recycle, including detaching/attaching cables, of all involved components. This had no result.
I noticed then in the Windows 10 Device Manager (devmgmt.msc), that the USB device "UCSI USB Connector Manager" was marked as not working (yellow exclamation mark). The status of the device was:
This device cannot start. (Code 10) STATUS_DEVICE_POWER_FAILURE
Disabling/removing/reinstalling this device in Windows 10 had no effect on the issue.
Then I noticed that the laptop didn't charge while connected to the power supply from Lenovo, which was delivered with the laptop. There are two USB-C ports on the left side of the laptop. The one towards the back is marked as the one to use for charging. It didn't work any more.
I had to connect the USB-C cable from the power supply to the USB-C port towards the front to make charging work at all. This also applies when the computer is completely shut down (no sleep/hibernation mode). I can see that the white charge light on the Yoga 920, next to the USB-C ports, doesn't turn on when the back USB-C port is connected. It does turn on when the fron port is connected however.
Unless someone has some other suggestions, this indicates to me that this is a hardware issue on the Lenovo Yoga 920.
No BIOS/driver/OS updates were installed during the past week. In November (a few weeks back), I did install all of the latest BIOS/driver/software updates from Lenovo for Yoga 920 using the Lenovo Companion application. Performing a recheck in Lenovo Companion of available updates after the issue occurred produced nothing new to install.
Any other tips or tricks that you would recommend, other than returning the laptop to Lenovo for repairs?
Does the Novo key/button exist on the Yoga 920, allowing me to access BIOS settings?
Solved! Go to Solution.
12-08-2017 06:37 AM - edited 12-08-2017 06:38 AM
Well, I'll give it a shot. It's not the first time I've seen a dock installation wreck things, but can't be sure that's it.
Some things to try, in order of easiest-to-most time consuming:
That's all the easy things I can think of at the moment..
12-08-2017 07:40 AM
It sounds like a hardware (port) problem to me.
12-16-2017 09:52 AM
It has been a nightmare to connect yoga 920 to the monitor (hdmi) to work, after a magical update it started working until yesterday. When I see that the battery was low I connect it and it did not charge. In device performance & health came the warning "one or more device drivers may not be working properly ... Run the troubleshooting ... UCSI USB connector manager has a driver problem ... Troubleshooting could not identify the problem. I tried to update the driver and the following message came out ... this device can not start (code 10) status_device_power_failure. As expected, the battery ran out ... What can I do, any suggestions?
12-17-2017 02:30 AM
I can give you an update on the status of my Lenovo Yoga 920 which initiated this thread. I contacted Lenovo support the day after making the post and they asked me to take the following actions:
I first did the full system recovery (factory reset essentially), using the Novo key and the system menu it produces. Then I attempted to update to the latest BIOS version using the executable from the link that Lenovo support provided. However, I already had the latest BIOS version so no action could be taken.
I also had a look in the BIOS settings of the Yoga 920 and couldn't really find any options that might have an effect on the USB-C ports with regards to my problem.
Since these actions had no positive effect, Lenovo support sent me a shipping label for the laptop, returning it to their service center for repairs. That is where it is currently. Their expected repair time is supposed to be no more than 14 calendar days.
My recommendation, if you are experiencing the same issues as those reported by me in this thread, is to contact Lenovo support and send in the laptop for repairs, after taking the actions they request in terms of system recovery and BIOS updates.
If there are more customers experiencing this same exact issue, we might be looking at a product quality issue with the USB-C ports on the Yoga 920.
12-28-2017 07:36 PM
Resolution to the original issue reported by me in this thread:
As reported previously, I sent the Lenovo Yoga 920 to Lenovo for repairs after taking the requested actions on my side (full system reset, BIOS update). After about two weeks in repairs and in transit, the laptop was returned to me. Lenovo Support reported that they had replaced the motherboard.
When testing the repaired laptop, the USB-C ports now work as expected again: Peripherals can be connected to them and you can charge the laptop using the rear port. The issue was therefore a hardware issue, not related to BIOS version nor to any faulty drivers on the Yoga 920.
01-09-2018 07:17 AM
Hmm I seem to be in the same situation, however, the back usb-c is the one with charging capabilities, while the one on the front cannot be used for charging. The hub I use cannot be recognized on the back port anymore, but the front port can recognize it but i keep getting a warning that connection may be limited or something along those lines. I also get that error in the device manager and the windows troubleshoot is of no help. Sad part is that I bought this in the US and I don't think this device is available here in my country...
01-09-2018 07:30 AM
By any chance, did you try to use the hardware scan from the Lenovo Vantage app? I'm getting a similar issue and found the same error in the device manager on the same device. However, the hardware scan test result all showed that there is nothing wrong with the motherboard.
01-09-2018 07:47 AM
No, I didn't try using the Lenovo Vantage app to troubleshoot the issue. I wouldn't trust the hardware scan results if you are seeing the same behaviour as I saw as it was clearly a hardware failure on the motherboard.
Even if you bought it in the US, you should be able to get international support for the laptop. Contact Lenovo Support and provide your Lenovo device id to investigate warranties and support options. If you have the same hardware failure as I did, I don't see any other option than having Lenovo repair the unit.