1. If necessary, remove the screw and slot cover behind the expansion slot you want to use for the
new video card. If the card uses a cooling fan that requires a second expansion slot for air
exhaust, remove the adjacent slot cover (see Figure 19.31).
2. Slide the video card straight down into the slot where it will be installed (typically a PCI Express
or an AGP slot).
3. Push the card down into the slot, using a front-to-back rocking motion if necessary to get the
edge connector to slide into the slot. Note many PCI Express and AGP cards feature a retaining
tab at the end of the connector, which helps to secure the card in the slot. There are several
types of retainer designs used, and you will need to disengage this retainer when removing
the card.
4. If the card requires power, connect the appropriate power lead from the power supply.