PowerDevil was compiled without Xext support, or the XSync extension is not available. XSync grants extra efficiency and performance, saving your battery and CPU. It is advised to use PowerDevil with XSync enabled.
PowerDevil foi compilado sen soporte de Xext, ou non está dispoñíbel a extensión XSync. XSync garante mellor eficiencia e desempeño e aforra batería e CPU. Recoméndase empregar PowerDevil con XSync activado.