Removing the wireless card......................................... 55Prerequisites........................................................................................... 55Procedure............................................................................................... 55Replacing the wireless card......................................... 57Procedure............................................................................................... 57Post-requisites........................................................................................58Removing the stand.....................................................59Prerequisites........................................................................................... 59Procedure............................................................................................... 59Replacing the stand......................................................61Procedure................................................................................................ 61Post-requisites.........................................................................................61Removing the chassis fan............................................ 62Prerequisites........................................................................................... 62Procedure............................................................................................... 62Replacing the chassis fan............................................ 65Procedure............................................................................................... 65Post-requisites........................................................................................65Removing the power-supply unit................................. 66Prerequisites........................................................................................... 66Procedure............................................................................................... 66Replacing the power-supply unit..................................69Procedure............................................................................................... 69Post-requisites........................................................................................696