The sound card is responsible for most of the audio functions on a computer. This guide will help users to remove and replace the sound card in the Dell XPS 720 H2C. The procedure is simple and will not take much time.
Remove the cover panel on the side of the computer by pulling out the latch on the back panel and pulling the panel downwards towards the ground.
The sound card is located at the bottom right of the computer area.
Before moving into the "guts" of the computer, unplug any wires that are connected to the audio ports on the back panel.
Remove the support underneath the processor by pressing down on the latch at the top of the support and pulling the support towards you.
Unplug the wire connecting the sound card to the motherboard by grasping the wire tightly and pulling it outwards.
Press down and to the right on the third blue tab from the bottom to release the sound card from the motherboard casing.
Gently grasp the sound card and remove it from the motherboard. Pull directly outward and apply extra force if necessary.