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JimBobMC
802.11n
Posts: 278
Registered: ‎10-27-2016
Location: US
Views: 1,630
Message 1 of 3

T440s will not resume from deep sleep under Windows 10

 

I've had a T440S for about a year and a half.

It came with windows 8 which I upgraded to 8.1 and then later upgraded to Windows 10

Everything was working fine until perhaps 4 weeks ago when the laptop will no longer wake up from "deep sleep".

If I close the lid for 20 minutes ("light sleep" it does wake back up, but if left overnight it does not wake up...

Until about 4 weeks ago when I opened the lid in the morning it would say "Resuming from deep sleep" ... now ...

I have to hold the power button down to turn the laptop OFF then restart - loosing all open work.

 

Lenovo System Update does not report any uninstalled critical patches

I have had hibernation disabled since upgrading to Windows 10

A little googling implies this is a pretty widespread issue across multiple brands of laptops.

 

Can anyone give me a hand?

Thanks in advance!

Jim

 

 

If my post helps a Kudo is appreciated, if I answer your question, please mark it ”Accepted Solution“ and give it a Kudo! ... Some years ago I worked for IBM. Currently I do not work for, nor do I speak for Lenovo or IBM.
Former Employee
Posts: 1,664
Registered: ‎09-16-2014
Location: US
Views: 1,562
Message 2 of 3

Re: T440s will not resume from deep sleep under Windows 10

JimBobMC,

 

Lenovo does not support Deep Sleep function on Windows 10, so it is recommended to disable Intel Rapid Start Technology (IRST).

 

This can be done in BIOS -> Setup -> Config -> Power -> Intel Rapid Start Technology, change the setting to Disabled. 

 

For more information, please see this Knowledge Base article.

 

Thank you,

JimBobMC
802.11n
Posts: 278
Registered: ‎10-27-2016
Location: US
Views: 1,545
Message 3 of 3

Re: T440s will not resume from deep sleep under Windows 10

 

Thanks Amy!

 

That seems to have fixed it  :-)

 

 

If my post helps a Kudo is appreciated, if I answer your question, please mark it ”Accepted Solution“ and give it a Kudo! ... Some years ago I worked for IBM. Currently I do not work for, nor do I speak for Lenovo or IBM.

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