evga 750i ftw usb ports stopped working

Hello everyone,

I have a evga 750i ftw mobo for almost 3 yrs now. The problem has been going on for a while and i dont remember when did it start. The only thing that connects to my usb port is the usb wifi adapter. The usb ports would stop working once a while (probably 2-3 weeks) and i would lost my wifi connections. the lights on the adapter is still blinking but there's no internet. when i tried changing the ports, the lights on the adapter goes off. I've tried plugging my usb stick drive to the ports at the same time to check if it's the usb ports and my computer is not recognizing the usb drive. the only way to "temporary" fix the problem is to reboot the pc. The usb ports will then go live again for another 2-3 weeks. This wasnt really a big problem until i get back into gaming lately.

I've tried updating the chipset, BIOS, and all drivers and none of them fix the problem. Please suggest any potential solution. Thank you.
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nobusConnect With a Mentor Commented:
Here a list of things to try :
-from Device manager scan for new hardware
-in device manager>view tab, click "show hidden devices" and delete all usb entries and hidden devices,  reboot and test
-then you can download the latest drivers for the chipset, and reinstall it to update the USB root hubs
-start>run>diskmgmt.msc      check if the usb devices show up in disk management, then run :   start>run>services.msc
In the listing look for removable storage service.
If it is set to Auto, and not started, then start it : click the Start link in the top left...
-In c:\windows\inf, look for usbstor.inf    -  If it is not there, you can copy it from another PC..When you find it, right click it and select Install

***instead of view hidden devices, try:
Right click Computer > Properties > Advanced System Settings at the left side > 
in the Advanced tab select Environment Variables >
 in System Variables click New and enter:  "devmgr_show_nonpresent_devices" without the parenthesis - enter 1 for the Value.
Click Ok and Exit.
Now delete all devices in device manager  that are not in solid black
Reboot and test
David WallCommented:
You could check what devices are connected to your usb controllers using usbdeview http://www.nirsoft.net/utils/usb_devices_view.html

Remove all devices it my then work more happiky
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schang626Author Commented:
i' deleted all usb entries and then reinstalled the chipset again so far so good... didn't have any problem for 3 weeks.

i couldn't find usbstor.inf and i didn't copy it over from another pc. hopefully it will stay this way. thanks for the help
tx for feedback
schang626Author Commented:
just so you know... the problem is back after 4 weeks this time...
you have the other options to try then
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