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Windows 7: How do I disable USB 3.0 when such an option isn't in BIOS?

08 Aug 2018   #1

Windows 7 Home Premium x64
How do I disable USB 3.0 when such an option isn't in BIOS?

I've been experiencing BSODs for a long time, and I recently managed to find a forum thread where several users were experiencing the exact same symptoms that I'm dealing with, and were able to resolve their daily BSODs by disabling USB 3.0 (while keeping USB 2.0 enabled). However, when I go into BIOS, that option doesn't seem to exist:

Those are the only 3 USB-related options I was able to find: the ability to disable all USB ports (not an option), the ability to disable legacy features (I assume that means USB 2.0 features? That's the opposite of what I'm trying to achieve), and the ability to disable USB storage functions (no clue what that means; seems to be irrelevant). Also, in device manager, nothing under "Universal Serial Bus Controllers" is labeled as 2.0 or 3.0: I also tried checking the first item in each category in that picture for updates, but each one claimed it was up to date.

Is it possible for me to disable USB 3.0? For more context, here's the forum thread in question: Random BSOD Driving me crazy! Solved - Page 7 - Windows 7 Help Forums
My operating system is Windows 7 Home Premium 64 bit
BIOS Version/Date Award Software International, Inc. F3, 10/18/2012 (I'd update it, but the last time I tried, it bricked my computer. I was lucky, because I was able to roll back the change somehow and have been using the same old version of BIOS ever since. This was several years ago so I don't remember the exact details, but I made a note to myself not to ever try updating it again. It's just not worth the risk of permanently bricking my computer.)
SMBIOS Version 2.4

Edit: if there's no other option, I'll just figure out what to disable under Universal Serial Bus Controllers through sheer trial and error. I've just ordered a cheap $5 ps/2 mouse for that purpose.

My System SpecsSystem Spec
08 Aug 2018   #2

Windows 10 Pro x64 x3, Ubuntu

Rather than the BIOS, check inside Windows, open Device manager and in view select "Devices by Connection" If you have one insert a usb3 Device into a USB3 port, disconnect any devices in USB port.

Under the top item which is the computer name there should be a clickable right arrow which opens the device tree, and there should be one named "PCI-Bus" this contains all the items connected to the PCI Bus and this should include a number of items marked PCI to PCI Bridge one or more of these when opened will be listed as a USB3 device - Disabling or better still uninstalling this or these items should allow you to diagnose your BSOD - when you reboot your PC Windows will likely try to re-install them if they are uninstalled - you can also update drivers which may solve the BSOD if they are related to the USB3 system
My System SpecsSystem Spec
08 Aug 2018   #3

Windows 7 Home Premium x64

I don't know if I have any USB 3.0 devices, and although I remember being told years ago that some of my USB ports only support up to 2.0 and others support 3.0, I was never told which were which, and I don't know how to tell them apart

I don't understand what I'm looking at, but here's this if it helps: Which parts should be labeled USB 3.0? I wasn't able to find "USB 3.0" anywhere, even after expanding every list/arrow
My System SpecsSystem Spec

08 Aug 2018   #4

Windows 10 Pro x64 x3, Ubuntu

Physically it should be simple enough to find the USB3 ports as they should be blue

If you remove all USB devices and then insert one device into one of the Blue ports open up each of the branches ending with ... USB Host Controller I see two enhanced and five Standard - I would suspect that the two enhanced are USB3 and the Standard ones are USB2.

Once you find the port with the device plugged in you can disable the port at the root

Hopefully if you find that the disabling of ports cures the BSOD issue you can then look for better drivers for the ports to allow full use of your system
My System SpecsSystem Spec
08 Aug 2018   #5

Windows 7 HP 64

Please edit your profile with all hardware specs. It will help us to help you.

How old is your computer? On the device manager image you posted I see a floppy disk drive. Don't think a computer that has floppy disk drive will have a USB3.0 drive.
My System SpecsSystem Spec

 How do I disable USB 3.0 when such an option isn't in BIOS?

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