No, all that is required is a video card, so that there would be an image on a moitor, the sound card is only required if you want there to be sound, hence the name sound card. but in priority, your computer needs a cable ( Hdmi, Dvi) and a video card to display an image on a monitor
That doesn't sound like a credit card but a cash card.
Probably not as there can be a jumper on the motherboard telling it to use the on board sound or a card in a slot. Just like my very quiet Medion.
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Your computer's sound card controls the sound coming out of your speakers. When your sound card is damaged, your sound will be distorted.
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The purpose of a sound card on a computer is for sound to be output through speakers or headphones. The sound card works by converting digital data to sound.
You cannot play any sound without a sound card.
Only if you use bit accurate digital out to a receiver. If you use analog, get a dedicated card!
Laptops have most of their internal cards integrated. You will not be able to add another internal sound card, but there are products you can use via usb or pci-e.
Do you actually have a PnP Realtek soundcard? (An added-on, plugged in physical card you have installed into your computer frame) Or are you trying to find the sound card driver? (This seems more logical) If this is the case, there are a variety of Realtek sound devices. You can go to this site, and if all you really need is the driver for your sound card, you will be able to download it free .http://ptf.com/realtek/realtek+sound+card/
Restore the system, you can use XP's System Restore itself with, the premise is to create a restore point or restore using GHOST, GHOST recommended on the hard disk version of the sound card from the "Device Manager" and uninstall the sound card then you can install the correct driver .