How To Fix An Ac Dc Adapter. The part may cost 2 but it may take half an hour to swap it in to save a 10 adapter. Here is a link to the service manual for your model netbook.

Buzzing in an AC adapter can mean a number of things but often it is related to a damaged adapter poor grounding or phasing issues with your power. Mainly it comes down to cost effectiveness. Dell part XK850.
After plugged in the AC source to the adapter the 60w bulb did not glow and the power LED was working.
Most AC adapter cables detach from the keyboard as well as from the wall outlet so check the connection at both ends. If you have the keyboard plugged into a surge protector move the AC adapter to a different slot on the power strip or bypass the power strip by plugging. Dell part XK850. When an AC adapter goes bad its cheaper and easier to replace it than to try to fix it.
