IdeaPad u310 turns off during sleep

I have a u310 ultrabook ideapad

500 GB hard drive

32 GB ssd

Core i3

running windows 7

I have power options configured so that it goes to sleep when I close the lid. That's how I always put to sleep (I never press the power button or use the option to sleep in the start menu)

The machine will stay "asleep" for several hours (white status on front flashes). Then at a given time (6 or 8 hours later) turn itself off (seeing status led is out)

I looked through all the windows power options and options lenovo energy management to see if I could find the setting that is controlling this behavior but have not turned up anything yet. I Googled it a little, but have not found someone else describe the same question.

I saw this happen while that plugged and not plugged. When I turn it back on, the battery charge level. I thought initially that the battery are dangerously low and it turned off or went into hibernation to protect themselves, but that doesn't seem to be what is happening.

I was wondering if anyone else has seen this happen. It doesn't really seem important now since even when he died, it starts windows in seconds. However, the system is still brand new and new systems tend to start very quickly. If Im wondering if in the future I'll see degrade startup time.

Thank you!

Hi Iso,

same behavior with my U310, there is also no Hibernate option to select,

Instead, after sleeping for a few hours, the machine automatically extended.

This is a new feature.

Zehn

Tags: Lenovo Notebooks

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