Updating graphics card
Press down firmly with even force until it is securely in place (your system won't boot up unless the card is in all the way). Windows XP should automatically recognize the new hardware and walk you through the installation wizard.Your graphics card should be listed under the Display Adapter heading.Double-click the name of your graphics card to open a properties window for your current card. We're almost there (it takes longer to describe the path than it does to actually click your way though it). Open the case and locate the AGP slot--it's the brown-plastic slot typically found above the white-plastic PCI slots.If your laptop has dedicated graphics (nvidia or ati) then there may be a beter grahics card that HP made for that product line.
Desktop graphics cards all use the same port and size (at least in height and width) standards, laptops on the hand vary from OEM to OEM and even model to model so you have a very limited amount of upgrades availible if any.
Installing a generic Intel driver instead of the customized computer manufacturer driver may cause technical issues.