Users can locate the correct PCI or PCIe slot on the motherboard by opening the computer case after it has been safely powered off. Depending on the kind of card being installed—graphics, sound, or network interface, for example—users need to carefully align the card with the slot and gently press it iteen patti newn until it clicks firmly. Users should reconnect any power cables needed by the new hardware after fastening the card in place with screws or clips as needed before shutting the casing and turning on the computer. To guarantee optimum performance and operating system compatibility, it is imperative to install any required drivers or software linked with the new card as soon as the system boots up. Through this process, users can explore new technologies & capabilities that can greatly improve their computing experience, in addition to improving system functionality. Common Problems with PCI Slots.