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PostPosted: Wed Aug 22, 2012 2:12 pm 
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Joined: Wed Aug 22, 2012 2:09 pm
Posts: 2
Location: Boston, MA
My 65W adapter gets incredibly hot during charging, and I think it may have something to do with my machine thinking it's a 90W adapter. In the Power Manager application, on the Battery tab, it says "90W AC adapter is attached." Is there some way to fix this? Or do I need to replace the adapter?


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PostPosted: Wed Aug 22, 2012 5:47 pm 
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Joined: Tue Apr 13, 2004 9:40 pm
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good question..
if you have another adapter available, try it and see what the thinkpad reports..
if it reports the correct adapter, then replace the other adapter as defective..
if it reports the wrong adapter then IMO the thinkpad needs to have warranty service done on it..

be sure to reboot to see if this might be a software issue..

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PostPosted: Thu Aug 23, 2012 1:51 am 
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Joined: Sun Jan 24, 2010 5:32 pm
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Location: Lincolnwood, Illinois
The signal (on centre pin) is broken, inside the plug, impossible to detect by eye. Sixty-five watt supply has a resistor inside, ninety has not. So, without signal, any adapter is sensed as ninety watt.

Further reading if you are curious:
viewtopic.php?p=682644#p682644


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PostPosted: Thu Aug 23, 2012 2:17 am 
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Joined: Tue Apr 13, 2004 9:40 pm
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very good work mr. err. . .pada..
now i learn something.. :)

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Bill Morrow, kept by parrots :parrot: & cockatoos
Sysop - forum.thinkpads.com

*
She was not what you would call refined,
She was not what you would call unrefined,
She was the type of person who kept a parrot.
~~~Mark Twain~~~


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PostPosted: Thu Aug 23, 2012 2:20 am 
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Joined: Wed Aug 22, 2012 2:09 pm
Posts: 2
Location: Boston, MA
Thanks for the info. I can't believe someone actually went and figured all of this out :o


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