Le 06/03/2018 à 01:54, Doug a écrit : > > On 03/05/2018 03:17 AM, François Patte wrote: >> Bonjour, >> >> 1- When there are two video cards on a computer, an integrated one and >> another one, how can we know which video card is used by the system? > I don't know of a laptop on which you could have two video cards, but on > a desktop, it's easy: the card into which you have connected your > monitor is the card that is in use. If you have > a video decoder on your MOBO, and you plug your monitor into a MOBO > jack, then that's the one that's in use. If you have a nice NVIDIA card > in a socket on the MOBO, and you plug > the monitor into that card, then that's the one that's in use. It should > be obvious! But it is on laptop... So... And it is not as "obvious" as you say: the integrated video card can be disable in the bios... But there is no such a possibility on the laptop I am talking about. -- François Patte UFR de mathématiques et informatique Laboratoire CNRS MAP5, UMR 8145 Université Paris Descartes 45, rue des Saints Pères F-75270 Paris Cedex 06 Tél. +33 (0)6 7892 5822 http://www.math-info.univ-paris5.fr/~patte
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