I would highly recommend using at the very least, an anti-static wrist band when attempting any computer repair to this level.
In the 1980's I ran Commodore UK's service department. At that time we suffered a 30% failure rate of PC's that were being configured and assembled in our factory. The failures ceased the moment anti-static precaution were introduced!
Lorsqu'il en aura reçu, il pourra afficher un graphique de sa réputation au fil du temps.
Voici un aperçu de ce à quoi ressemble ce graphique :
Aucun point de réputation obtenu pour l'instant.