I ve read about this on other websites and most say it s a design flaw in the power supply after the cord has.
Ac power adaptor type cannot be determined.
The dell ac power adapter type cannot be determined problem description i have brand new inspiron 1520.
But eventually the power jack in the back of the laptop will wear out or it s solder joints become loose and i d get the dreaded ac power adapter type cannot be determined message.
The system will adjust the performance to match the power available it will then say plugged in not recording if you look at the charging icon in the bottom right.
I press the f1 key and everything works fine.
And in the unlikely event it s not the adapter or the jack the mainboard will need to be replaced.
Getting this message when booting up alert.
Battery fully charged when i unplug the charger from the wall but let the plug in the inspiron for a while let s say a night when i startup my computer i get the message the ac power adapter type cannot be determined.
After called dell and explaining the situation they would dispatch a tech with new motherboard and replace it.
Ac adapter alert ac power adapter wattage and type cannot be determined jump to solution well first of all the fact that the charger is made in china doesn t really matter.
Your system will operate slower battery will not charge.
Ac power adapter cannot be determined none of the troubleshooting fixed it and it seems unjust that the best solution would be to buy a 50 power cord because a dell designed cord just stopped working.
Please connect a dell 90w ac adapter or higher for best system operation.
Fix ac power adapter type cannot be determined.
The ac power adapter wattage and type cannot be determined.
Your system will operate slower and the battery will not charge.
The battery may not charge.
This works in most cases where the issue is originated due to a system corruption.
First thing to try is a new dell ac adapter if that doesn t fix the problem replace the power jack see link below.