I have a DELL Precision M6400 and when I plug in my AC adaptor the screen goes black, but it works fine when the AC adaptor is unplugged. Created by jonathan. Computers & Internet - Dell - Latitude E6400/ 6400 ATG Laptops / Precision M2400/ M6400...

I have a DELL Precision M6400 and when I plug in my AC adaptor the screen goes black, but it works fine when the AC adaptor is unplugged

March 2021 1 39 Report

I have a DELL Precision M6400 and when I plug in my AC adaptor the screen goes black, but it works fine when the AC adaptor is unplugged

Computers & Internet - Dell - Latitude E6400/ 6400 ATG Laptops / Precision M2400/ M6400...

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bhall5150

You may have a shorted wire, DC plug or transformer secondary in the adapter. Try a different Adapter if it still has same problem the short is in computers Plug or voltage regulater.

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