Dell XPS M-140
Does not recognize charger, it will run computer but will not charge battery.
Gives message on start up AC adapter not recognized
What I have done so far.
New battery no change in message
New charger PA-12 and A Used charger that works with another Dell that calls for a PA-12 No change message.
Replaced Circuit board that has charger port on it. (Used from Ebay) No change in message
Went to device manager and uninstalled Microsoft ACPI-Compliant Control Method Battery then restarted to let it reinstall no change in message
Updated Bios no change in message
Any help would be greatly appreciated.