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Envy-13 Laptop screen sleep when connected to USB-C monitor loop

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Envy 13-aq1057tu
Microsoft Windows 10 (64-bit)

When I connect my monitor to my laptop via a USB-C cable and the windows screen timeout is reached the screens will turn off for 5 seconds, then the monitor detects the laptop and will trigger both screens to turn on and display the login screen for 5 seconds, before the screen time out happens again and the system then sleeps/wakes up.


This is horribly inefficient for power and i'm hoping it can be easily fixed.
Laptop: HP Envy-13-aq1057tu

Screen: Samsung 34" c34h89 connected via USB-C

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Thank you for posting on HP Support Community.

Don't worry as I'll be glad to help, I have a few troubleshooting steps we could try to fix the issue:  

Firstly, perform Windows Update and HP Support Assistant: (do not skip any troubleshooting steps if you feel steps are repeating) 

To check for updates now, select the Start button, and then go to Settings  > Update & security  > Windows Update, and select Check for updates.

Install updates from HP Support Assistant: Go to Download HP Support Assistant to install the tool.

  1. To open HP Support Assistant, double-click the HP Support Assistant icon
  2. Click My devices in the top menu, and then click Updates in the My PC or My notebook pane.
  3. Click Check for updates and messages to scan for new updates.
  4. Review the list of updates. Updates with a yellow information icon are recommended. Updates with a blue information icon are optional.
  5. Click the update name for a description, version number, and file size.
  6. Select the box next to any updates you want to install, and then click Download and install.

And, also run BIOS Update: Follow steps from the link: 

  • Once it's done try these settings: Display settings, Display adapter properties, "Monitor" tab, Properties, (Click "Allow" if prompted), "Driver" tab, Update Driver, Search automatically for updated driver software

Hope this helps! Keep me posted for further assistance.
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