Have acer aspire one plugged in and does nothing

...So the battery works (providing it's charged), but the adapter does not?

Have you tried using a different, COMPATIBLE adapter with the acer?

If that doesn't work, contact acer and request service because you more than likely have a loose connection or even a faulty charging circuit.

Yes have tried a new adapter with no change will take your advise and call acer
thanks

I have the same problem with my Acer aspire one ZG5 after a failed BIOS update,called Acer support and they said WARRENTY does not cover BIOS UPDATES.My netbook will not power on anymore,it just blinks on a orange light for a fraction of a second when I insert the mains cable with battery removed.Its only 3 months old,and Acer say it will cost me atleast £70 plus vat.

Does anyone know how to fix this problem.

I know it's an old post but in case someone else googles it, i've come across several acer one's that have a defective lcd connection cable. It's short circuited and it causes the laptop to not start at all. Once the lcd is disconnected everything's back to normal.