Users can access the motherboard by opening the case after turning off the computer and unplugging it from the power source. It's important to choose the right expansion slot;satta knig for example, a graphics card should be installed in a PCIe x16 slot for best results. After locating the appropriate slot, users can carefully line up the expansion card with the slot and press it into position until it clicks firmly. To hold the card in place, it's critical to make sure that any retaining clips on the motherboard work correctly.