Dell Ac Adaptor Not Working. The AC power adapter wattage and type cannot be determined. This results in CPU underclocking a lot and battery not charging at all although notebook is usable.
Contact Dell support Method 7. Fix dell laptop AC. This adapter replaces an adapter I purchased in March 2020 which was to replace the one I purchased in October 2019.
Contact Dell support Method 7.
Use this video to help diagnose the reason behind your Power Adapter Warning or skip to the end to lean how to stop the warning message from being displayed. Open and Fix Laptops AC Adapter without Damaging. Please connect a Dell 90W AC adapter or higher for best system operation needless to say that the power adapter IS a Dell 90W. Go to Device Manager in Control Panel and disable the Microsoft AC Adapter under Battery.
