USB ports only working intermittently

I have an MSI Z97 gaming 7 motherboard, the USB ports on the motherboard only work intermittently, MSI support have suggested I upgrade to the latest bios, which I believe is MS7916IMS.172 and they have sent me a link for this, however I want to use the forum flash tool this is what I used to flash from 1.1 to 1.5 and was very easy to do, could someone give me the correct link to this bios that uses the forum flash tool, I have seen this in posts made by Svet and other forum members for other bios
Thank you.
msi gaming 7
Intel i5 4690k
8 gb corsair ram
256 gb crucial ssd
AMD 7870
Windows 8.1

here it is: https://forum-en.msi.com/index.php?topic=184158.msg1323590#msg1323590
Use mode1:

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http://store.apple.com/us/product/MD810LL/A/apple-5w-usb-power-adaptor
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View Solution.

Hi:
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can anyone help me please?
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It is only a piece a equipment; any part can break at any time. You may want to contact HP technical support and identify your options. These options will be based on your warranty status, and you can locate that information here: http://h20566.www2.hp.com/portal/site/hpsc/public/wc/home?ac.admitted=1383763792097.876444892.199480...
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MSI GAMING 5 - ALL USB ports not working

hello
how are you every one
i have problem with rear usb port i can use it in safe mod and bios only but it does't work when the operition system start i try to slove the problem i updated bios i have other pc and same specification and it's work without any problem but with this mother borad rear USB ports not work also the USB ports on the case ALL USB PORTS NOT WORKING
Mouse and keyborad work in bios but if the system run don't work ! and trun off
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CPU : Intel Core i5-4690K
M.B : MSI Z97 GAMING 5
RAM : G.Skill Ripjaws X 8GB DDR3 Kit
GPU : Gigabyte GeForce GTX 970 G1 GAMING
SSD:Corsair force LX 256 GB
HARD: Seagate Barracuda 1 T.B 7200 RPM
CPU COOLER : Cooler Master Hyper 212 Evo
PSU : Cooler Master GM-Series 750 watt
CASE : NZXT Phantom 410
Thank you

Quote from: Nichrome on 28-January-15, 00:18:47
Hi,
What about if you try to install drivers from your product's page?
http://uk.msi.com/support/mb/Z97-GAMING-5.html#down-driver
And when exactly it starts to fail to work? Did you try to have OS just installed, restart it and see if it works then? Are you able to determine which driver installation causes USBs to stop working?
thank you
i just remove USB3 controller driver and work
thank you all :D

USB ports only working intermittently

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