Front I/O Ports quit working

I have a HP Pavilion Elite m9040n Desktop PC. The front I/O ports (specifically USB port, 15 Memory card reader ports) stops working. After reboot, it starts working again. No problem with the back USB ports. Please advise how to fix this issue.

I have just posted on the boards a similar problem so I will respond out of experience only...
My card reader wont recognize memory cards after rebooting...support tech has three times instructed me to shut down, unplug all cables, wait till all power is drained ( about 30 seconds..) then reinstall all cables..restart. This works to get my card reader working. Very inconvienient, tech support has so far told me there is no solution to the problem. ( they also couldnt figure out what the pop up telling me that I could speed up this device, my printer,..means by a high speed port..this shows everytime I use my printer..) I have checked all wires, ( I do all my own hardware installs and swaps..) nothing shows in device manager as a problem or alert...They advised to upgrade my BIOS, this didnt fix the problem. So far, if I wish to use my reader after restart, I need to disconnect my cables after shut down and replug everything, then start it up. No answers from tech support in the near future I fear.

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