As you read the next link you discover HP has drivers on FTP servers that you might only find -> if you ask HP <-.

Read http://forums.cnet.com/7726-7587_102-2699006.html

Installing the OS is now so involved that my best advice is to use restore CD/DVDs rather than learn the old ways. You bring up a good point. Are the days of Windows numbered as folk don't want to learn all this arcana?
Bob