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06-07-2016

DE

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ThinkPad S440 won't turn on (even after trying the 30s power button intervals

2016-06-07, 19:55 PM

Hi all,

 

4 days ago my 2 year old S440 suddenly switched off when I removed the power cord. It still worked when I had the power cord plugged in. 2 days later the battery worked again and the laptop was running even with the power cord removed. So all good.

 

Today all bad: the laptop wouldn't turn on again, even with the power cord plugged in. I tried the elsewhere described trick to push the power button at 30s intervals (even after removing the RAM and the HDD). But I still couldn't recover the machine.

 

Status quo:

  • I plug in the power chord (battery inside): the red light flashes 3 times, I press the power button and the red light turns on for 3 secs, then turns off, nothing else happens
  • I remove the battery, plug in the chord, red light flashes 3 times, and a few secs later the fan starts and continues in a on-off-loop
  • I plug in the connector of the battery: the fan moves a little bit for a second

Any ideas what's wrong or what I can do to fix this?

 

Thanks!

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2042 Posts

02-28-2012

EC

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Re: ThinkPad S440 won't turn on (even after trying the 30s power button intervals

2016-06-09, 20:58 PM

Hi. Welcome to the forums.

 

I don't have that machine but reading about it, it seems that the ThinkPad S440 has an emergency reset button. Have you tried that too?

 

Here it is the picture: https://support.lenovo.com/ec/en/documents/pd028195

 

I hope this helps.

 

Regards









Martín Itúrbide
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3 Posts

06-07-2016

DE

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Re: ThinkPad S440 won't turn on (even after trying the 30s power button intervals

2016-06-10, 7:48 AM

Thanks! Just tried it, but didn't work. I think it's something with the mainboard and I will send the machine to a repair shop now.

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17 Posts

10-30-2013

LT

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Re: ThinkPad S440 won't turn on (even after trying the 30s power button intervals

2019-08-16, 5:06 AM
Hello! Have you solved this problem already? If you have sent the computer to repair show what they have told for you? After year of use I do now have same problem... :/
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