PavillionG7-2315nr windows 7(64 bit) USB serial control or usb ports are not working. Please help!

Hi I downgraded the laptop from windows 8 to windows 7 64 bit. Two of my USB ports are not working and cant find the right drivers for it. Can you please direct me, where I can download and update the drivers? Thanks in advance.
Shawe

Hi:
Download and instal both of these drivers and reboot.
http://h20565.www2.hp.com/hpsc/swd/public/detail?sp4ts.oid=5229463&swItemId=ob_125616_1&swEnvOid=405...
http://h20565.www2.hp.com/hpsc/swd/public/detail?sp4ts.oid=5229463&swItemId=ob_123787_1&swEnvOid=405...

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PavillionG​7-2315nr windows 7(64 bit) USB serial control or usb ports are not working. Please help!

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PavillionG7-2315nr windows 7(64 bit) USB serial control or usb ports are not working. Please help!