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gens2000
What's DOS?
Posts: 1
Registered: ‎05-27-2017
Location: US
Views: 288
Message 1 of 1

W540 automatically reboots after waking up from sleep if BIOS video settings is set to "Advanced"

My W540 has Nvidia KM2100 graphics card. I have a dock, so, to enable Nvidia KM2100 for external monitors connected to the dock, I changed Video Settings in BIOS from "Standard" to "Advanced". 

 

Then, strange thing start to happen. When close the lid, laptop goes to sleep. When I open the lid, laptop wakes up and I can use it for roughly 2 seconds before screen suddenly goes blank and it automatically reboots. There is no BSOD or crash dump. It just reboots. This happens every time I close and open the lid. Basically, I can't use "sleep" feature. This is very annoying.

 

The OS is Windows 10 Creator Update with the latest graphics drivers for both Intel HD4600 and Nividia KM2100.

 

As soon as I revert Video Settings in BIOS from "Advanced" to "Starndard", which sadly disables Nvidia graphics card for external monitors, this strange behavior goes away.

 

Any solutions?  Thanks in advance.

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