questionsdell xps one 27... doa. nothing happens when…

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swap out the power supply? call dell support?

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http://www.youtube.com/watch?v=hz8nmF3mZq8 not power supply here.
Ouch it is an all in one. Does it have any fans?
If it has fans and they do not move it maybe power.
Chapter 13 is power supply replacement.
http://support.dell.com/support/edocs/systems/xpsone2710/en/OM/XPS_One_2710_OM.pdf

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Change plug-ins(receptacles).

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My Dell XPS One also is DOA... power button lights up, LCD backlight comes on (screen still blank)... and no Dell logo or BIOS or Windows....

On hold with Dell Tech support... but it's going back!