I just bought an HP Officejet 4500 G510n All-in-one w/wireless printer. It won't install on my laptop. The CD goes dead. I downloaded software from the HP site, didn't work. I've tried everything. It keeps saying "missing driver". I tried to install the alleged "missing driver" but still to no avail. I've had the printer for about 3 days now. I called the HP people, but I keep getting cut-off. ( I'm trying to install it via USB. My wireless connection goes in and out.) HELP!!!