its a full strip down to do it, take all the screws out the base, take the panels and hard drive and cd drive out, check for hidden screws under the panels they should all be the same size, there might be a few silver ones under the hard drive bay.
flip it over pop the keyboard strip cover off
keyboard out carefull with the delicate connectors use a jewellers screwdriver to pop them up or out,
screws out the top, leave the screen atteached you may have to route the wifi cables from under neath, again pop the antenna connectors of the wifi card
disconnect the lcd and speaker cables lift the lid up and you can now see the dc socket and broken housing.