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3 Posts

07-19-2021

Finland

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Wake-up from sleep when connected to USB-C hub (monitor)

2021-07-22, 5:53 AM

My Yoga does not stay asleep when connected to external monitor (Lenovo P27h). When set to sleep it wakes up again in 10-30 seconds.  Running powercfg does not reveal anything special on the reason. System even log says:

"The system is exiting connected standby 

Reason: Sleep Button."

 

No one is touching the sleep button.  The computer is brand new and the behavior has been there right from the beginning. I have run the driver updates, but that has not helped.

 

Any ideas where to start solving the problem? 

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3 Posts

07-19-2021

Finland

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Re:Wake-up from sleep when connected to USB-C hub (monitor)

2021-07-25, 13:05 PM

Thanks Georges H for providing solution in other thread. The sleep issue was resolved by disabling Zero touch login and Zero touch lock via Lenovo Vantage software. 

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2811 Posts

03-11-2020

Greece

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Re:Wake-up from sleep when connected to USB-C hub (monitor)

2021-07-22, 9:08 AM

Hi LenMik,

 

Welcome to the Community Forums.

 

Here's some steps you can try in an attempt to remedy the issue:

 

Step 1. Restore Power Plan to Default Settings.

- Search for 'Edit Power Plan' and click the results or

- Press the Start Menu - Settings - System - Power & Sleep - Additional Power Settings

- For the Power Plan Settings you are using select 'Change Plan Settings'

- Now click 'Restore Default Settings for this plan'

 

Step 2. Disable Fast Startup
- Navigate to the windows icon in the bottom left, click it and start typing "Control Panel"
- While in Control Panel, navigate to the "Power Options" Icon / link.
- In the left column, click "Choose what the power button does"
- Click "Change Settings that are currently unavailable"
- Unmark "Turn on fast startup" (This does not affect Restarting the computer), but when it starts up again from sleep and/or hibernation.

 

Step 3. Power Management Settings for USB & Network Adapters.
- Press Windows Key + X, select Device Manager
- In Device Manager, expand Universal Serial Bus Controllers & Network Adapters
- Right click and click properties on all USB Root Hubs and Generic USB hubs and Network Adapters.

- Check Power Management, and make sure these devices are not allowed to "Wake" the device.
- Un-Check "Allow the computer to turn this device off to save power"

- Hit "Apply" and exit and then "OK".

 

Step 4. Clean up corrupted files through CMD.
1. Go to Start > type cmd > right-click Command Prompt > select Run as Administrator
2. Now type the command:  sfc /scannow
3. Wait for the scanning process to complete and then restart your computer. All corrupted files will be replaced on reboot.

4. When you enter the device again, run Command Prompt(Admin)
5. Run the following command: dism /online /cleanup-image /restorehealth
**Note: This utility will replace any corrupted Windows file with fresh copies downloaded from Microsoft’s server. It’s important that you have a stable internet connection before initiating this scan.

 

Step 5. System Board Updates
Make sure you have the newest Chipset drivers (especially Management Engine Interface) for your device 
You can find and install the newest drivers from the Lenovo Support Page
Just plot in the serial number of the device, click the search icon and select your device, then head to Drivers & Software, select Manual Update, then select the Chipset section
Right click the files in question and select "Run as Administrator".
**Note: Please close all other applications and make sure the AC adapter is connected and that you have at least 30% battery charge when performing the BIOS update. Do not turn off the device while the BIOS update is running as this can cause serious damage to the motherboard and prevent the device from functioning properly or at all.

 

Hope this helps

 

Regards

 

Voithos



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3 Posts

07-19-2021

Finland

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Re:Wake-up from sleep when connected to USB-C hub (monitor)

2021-07-22, 19:11 PM

Hi Voithos!

 

Thanks for you help. Unfortunately, despite going through all the proposals the problem is still there. It definitely is related to USB-C connection to monitor/hub. When the laptop is just plugged to power, the computer stays at sleep.

 

Mikko

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3 Posts

07-19-2021

Finland

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  • Posts: 3
  • Registered: ‎07-19-2021
  • Location: Finland
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  • Message 4 of 4

Re:Wake-up from sleep when connected to USB-C hub (monitor)

2021-07-25, 13:05 PM

Thanks Georges H for providing solution in other thread. The sleep issue was resolved by disabling Zero touch login and Zero touch lock via Lenovo Vantage software. 

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