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Eric2016
What's DOS?
Posts: 1
Registered: ‎01-23-2016
Location: USA
Views: 1,970
Message 1 of 3

Power Supply Question - Can I use the 230W power supply with a W540?

I have a W540, which currently uses a 170W power supply (20V 8.5A)

 

I also just recieved a docking station for a P50 which has a 230W power supply showing 20V 11.5A.

 

The connectors look the same, but I'm hesitant to try the 230W power supply in the W540.

 

Should this be ok to use the 230W power supply with the W540?

lead_org Microsoft MVP Contributor
Microsoft MVP Contributor
Posts: 21,009
Registered: ‎12-19-2008
Location: Australia, Melbourne
Views: 1,926
Message 2 of 3

Re: Power Supply Question - Can I use the 230W power supply with a W540?

230 watts is the maximum power supply, it only supplies the power needed by the computer.

I sold my W540, so i can't test this for you. But i do the use the ThinkPad X1 Carbon with the 230 watts power adapter without any problem.
Regards,

Jin Li

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

I am a volunteer, and not a paid staff of Lenovo or Microsoft
jdos22
SCSI Port
Posts: 51
Registered: ‎01-14-2016
Location: US
Views: 1,405
Message 3 of 3

Re: Power Supply Question - Can I use the 230W power supply with a W540?

A bit older thread, but to add detail:

 

My W541 will NOT work with my 230W power supply from the P70- saying it's not capable of providing enough power.

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