I have a D-Link DI 624 installed. It worked on all computer, but has stopped working on my HP with Window 7
check on your hp that you have the newest drivers for the wifi. could be a driver issue. also see if your new card is just n card or does the older b/g. your router is a g...most new cards are n. also see if the wifi software is set only for n. may have to change it to g. i would google to see if there any firmawre for that old 2007 unit. or third party firmware. it may fix windows 7 issue.