Device drivers are usually to be found on the manufacturer's web site - almost always free. If they ask for payment it's probably not a genuine site.
Match the specific Hardware with the Operating System - download and install. You may sometimes need to download on one system - transfer to portable media (memory stick) and carry to the target system.
Device drivers are often updated to resolve various software problems.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix computer hardware.