Setting Up and Using Your Computer 231 Turn off the computer and all attached devices:a Click Start, then click Turn Off Computer.b In the Turn off computer window, click Turn off.The computer performs a shutdown of the operating system, and then turns off.NOTE: Ensure that the computer is off and not in a power management mode. If you cannot shut down thecomputer using the operating system, press and hold the power button for 4 seconds.2 Disconnect the computer and all attached devices from their electrical outlets.3 Connect the DVI or VGA connector of your monitor to the appropriate connector on the computer’sprimary graphics card:To connect a monitor with a DVI connector, use the (white) DVI port on the primary graphics card.To connect a monitor with a VGA connector, use the (blue) VGA port on the primary graphics card.Connecting Two or More MonitorsCAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the ProductInformation Guide.NOTE: In order to connect and use two or more monitors in a dual graphics card configuration, multi-GPUtechnology must be disabled. To disable multi-GPU, see "Changing the Display Settings to Support Two or MoreMonitors" on page 25.primary video cardbook.book Page 23 Thursday, July 20, 2006 11:10 AM