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03-12-2014

Sweden

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X200s breaking AC adapter?

2014-03-12, 18:52 PM

Hi,

 

The 65W AC adapter for my X200s just broke and I got a used replacement that also turned up to be broken.

 

The computer works 100% with a regular 90W adapter and with another modified 90W adapter with a plug from the broken 65W adapter. (The middle pin tells the computer which type of adapter is connected.)

 

My questions are: Is it a common problem that the 65W adapters break?

 

The alternative is that there is an error in my computer that destroys the 65W adapters (possibly by misinterpreting the middle pin information and drawing too much current). Has anybody come across such a problem? (No point in buying another 65W adapter if the mobo will break it too.)

 

Thanks in advance.

 

Niclas

 

 

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3 Posts

03-12-2014

Sweden

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  • Posts: 3
  • Registered: ‎03-12-2014
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Re: X200s breaking AC adapter?

2014-03-20, 8:12 AM

Hi and thanks for your replies.

 

I bought a second replacement 65W AC adapter and it works without a problem.

 

I suppose I was just unlucky with the first one breaking and then buying a (used) replacement that turned out to also be broken.

 

Kind regards

 

Niclas

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1091 Posts

09-24-2013

Bangalore

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Re: X200s breaking AC adapter?

2014-03-14, 7:48 AM

Hi Niclas,

 

Welcome to Lenovo Community Forums!

 

I’m sorry to hear that your 65W adapter fails when you connect it to your Lenovo ThinkPad X200s.

 

I would like to inform that ideally 65W and 90W adapters are cross compatible if they have the same voltage ratings.

 

The 90W adapter can be used on systems with either discrete or integrated graphics, while the 65W adapter should only be used on systems with integrated graphics. Issues only arise if you use a 65W on a discrete ThinkPad, but it's only a matter of performance as per my knowledge.

 

Try a BIOS update and check if it is a Power socket issue.

 

Best regards,

Mithun.



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21115 Posts

12-20-2008

Australia, Melbourne

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Re: X200s breaking AC adapter?

2014-03-15, 14:32 PM
i wouldn't think the computer would constantly cause the adapter to function. The only scenario is where the laptop is constantly causing a short circuit in the power socket.
Regards,

Jin Li

May this year, be the year of 'DO'!

I am a volunteer, and not a paid staff of Lenovo or Microsoft
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3 Posts

03-12-2014

Sweden

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Re: X200s breaking AC adapter?

2014-03-20, 8:12 AM

Hi and thanks for your replies.

 

I bought a second replacement 65W AC adapter and it works without a problem.

 

I suppose I was just unlucky with the first one breaking and then buying a (used) replacement that turned out to also be broken.

 

Kind regards

 

Niclas

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