If its a basic hood with filter there are 2 tabs at the front of the hood which you push inward releasing the filter that will now hinge down.The lamp is then at the back and simply unscrews.
alan
February 2011
some hoods the cover not come off,you pull filter cover down to expose the bulbs
mm
February 2011
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix electric cookers.