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55 Posts

06-10-2008

Germany

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Re: T400s random shutdowns

2009-09-30, 15:27 PM

Hello everyone,

I quickly went through the messages here and found the same problem.

I just bought a T400s 14 inch and it shutted down a few minutes ago.

 

I am using Vista B 32 bit, so this is not a Windows 7 beta issue...

 

t400s 2.4GHz, 2GB Ram, WLAN 5300, SSD 128 GB. Product 281520G

 

Does anyone know if I can return the product and ask for full refund, I bought it last thursday...

I like the computer but this scares me since I use it for my work...

 

T61, UZ2AQGE 2.5 Ghz, XP Pro SP3
T400s, NSF20UK, 2.4 GHz, SSD 128 GB, Vista B
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29 Posts

09-01-2009

IL

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Re: T400s random shutdowns

2009-09-30, 17:10 PM

Well, I've been going for over a week now without a random shutdown.

 

I know for a fact that the 3 times I've experienced the random shutdowns, I was plugged into A/C and running off of A/C and I was NOT on a UPS.  When I'm on a UPS I have yet to have a random shutdown.

 

I primarily use my machine on A/C and almost always plugged into a UPS.  The 3 times so far I've had the random shutdowns I was not on a UPS.

 

Maybe there is something in this notebook that is very sensitive to power when using A/C.  Seems like a hardware problem to me.  I really don't want to return this notebook and try to find another with similar specs.

 

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13 Posts

09-30-2009

FL

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Re: T400s random shutdowns

2009-09-30, 18:43 PM

Hmmm i was about to pull the trigger on a t400s in the next couple of weeks....now Im not too sure. Between this and the speaker problems I'm starting to have second thoughts. Guess I'll keep an eye on this thread...thanks for the heads up

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55 Posts

06-10-2008

Germany

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Re: T400s random shutdowns

2009-09-30, 22:40 PM

Hi everyone,

Shutdown as said in my previous post with

T400s

Model 281520G

Wireless on and used while chatting

2GB RAM

2.4 GHz

128 SSD

Vista B 32 from factory

Bios 1.06 1.01 factory

I made no update sofar

 

The only thing which I was playing with before shutdown occured was to configure the power settings.

Two things I changed were,

1)The fan control noise was set to "balanced" instead of "Maximum performance" because the fan was

working with irregular speeds and was always on (does this happens to anyone else??). Going to balance fixed the issue of the fan noise (the fan is now at minimum speed, to me it sounds completly turned off in normal usage)

2)I set Power manager to turn off the CD/DVD power (it was disabled by default, i.e. it does not power off CD when on AC)

After these two steps the computer shutted down. On powering again windows complained an unexpected shutdown

and I booted using normal startup.

 

Can it be the problem of power manager?

T61, UZ2AQGE 2.5 Ghz, XP Pro SP3
T400s, NSF20UK, 2.4 GHz, SSD 128 GB, Vista B
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28 Posts

09-28-2009

SoCal, USA

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Re: T400s random shutdowns

2009-09-30, 22:45 PM

Earlier in the posts, you'll see that one gentlemen, had two 400s and one was powering off and the other wasn't, so he switched the HDs to see if it was a software issue and the bad one still powered off even with a 'stable' OS.

 

I've run tests on the RAM with no errors, HD etc so that only think it could be is the motherboard.

 

I contact support today and they are sending out an engineer to replace my mb but because it's so new, they don't have any in stock.

 

I will post my findings after they have replaced it, i also have another two units coming for other users, i will let you know if any faults happen with them.

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55 Posts

06-10-2008

Germany

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Re: T400s random shutdowns

2009-09-30, 22:52 PM

Hi Sugrat,

Thanks for the answer. I think changing teh motherboard won´t fix the issue since it seems that forumers

still had the same issue after changing the mother board.:\

 

T61, UZ2AQGE 2.5 Ghz, XP Pro SP3
T400s, NSF20UK, 2.4 GHz, SSD 128 GB, Vista B
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28 Posts

09-28-2009

SoCal, USA

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Re: T400s random shutdowns

2009-09-30, 22:57 PM

According to my hardware reseller, i'm the first person to report this problem and they have sold a large number of these units.

 

And of course, you only usually hear complaints from the one's that don't work and not the one's that do...

 

 

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55 Posts

06-10-2008

Germany

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Re: T400s random shutdowns

2009-09-30, 23:02 PM

Do you mean that the problem is not frequent? I did not get you well, sorry..

I think the problem is there, really there. But I am not convinced it is a hardware issue, though it seems from the gentlemen you mention. Were the power settings the same in both laptops?

I will try to see if I can reproduce it, right now I am on my T61 which is much more reliable in this respect.

Do you think we have the right to return the computer for refund? I don´t like to do that since it is fisrt of all a waist of time, but this issue is too delicate for people (like me) who use the laptop for daily work.

Keep in touch with the mb issue

T61, UZ2AQGE 2.5 Ghz, XP Pro SP3
T400s, NSF20UK, 2.4 GHz, SSD 128 GB, Vista B
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28 Posts

09-28-2009

SoCal, USA

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Re: T400s random shutdowns

2009-09-30, 23:43 PM

My power offs are not as frequent as some members here, for example, i've only had one power off today and that was at noon, so the unit was up and working correctly for 4 hours before it happened and now, i'm still using it after that which is another 4 hours and nothing yet.

 

Yesterday, I probably was using it for 6 or so hours before it powered itself off.

 

Regarding the software, my unit came with Vista, it still powered off (even with all power settings in bios and os set to not turned off etc...

 

Then installed (completely fresh) corporate version of Windows 7 Enterprise and it's still doing the same, so it has to be either a) a settings in the bios or b) a hardware fault.

 

And like i mention, how many t400s have been sold and only a handful of members are complaining?

 

Regarding your refund, i'm not sure what the rules are, that's why I lease via a reseller so that I don't have to deal with Lenovo directly.

 

I hope this helps.

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13 Posts

09-30-2009

FL

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Re: T400s random shutdowns

2009-10-01, 15:02 PM

Xtex.....I wonder if it might be an issue with overheating? Maybe the laptop is shutting off after reaching a certain temperature (i know it happens with some desktops).  Maybe the fact you were changing the  power settings so the fan was not 'always on' maybe led to the laptop getting hotter and shutting down?

Just throwing things out there...... I really want to get this laptop so Im hoping this gets sorted out soon.

Also, one question, does this happen when the battery is on as well ? (eg. with power cord AND battery)? If it was an issue with power wouldn't it switch to battery instead of shutting down?

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