Question about Gateway (4000274) Motherboard
The adaptor supplies more voltage than is needed to charge your batteries and operate the PC so there is a circuit, often mounted on a small, separate board inside the unit that regulates voltage for the PC and monitors and regulates the charge current for the battery pack.
Testing the plug-in adaptor without a load (drawing current from it) is not a reliable way to test it since it could itself be defective and lose some or all of the 19 volts once required to deliver current.
You might try removing the battery pack to see if the PC will turn on without it.
The packs have thermal fuses internally that can fail preventing a charge to take place.
Posted on Aug 09, 2008
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Posted on Jan 02, 2017
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