USB devices not working


I am having an issue with two computer's, the USB devices have stopped working.

I am able to work around the issue by booting to the Advanced Boot Options (F8) and selecting Disable Driver Signature Enforcement.

My other troubleshooting has included;
-updating the usb driver, there was no update from windows update
-deleting the usb device, rebooting to let it find the driver
-deleting the usb hub, rebooting to let it find the driver
maemckayIS ManagerAsked:
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Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
You should not need to reboot for your later mentioned workarounds, just start a new device scan in Device Manager.

But it is strange the drivers work for some time (do they?), and stop working later. And that Driver Signature should be related - that should reject "invalid" drivers from start.
maemckayIS ManagerAuthor Commented:
Hello Qlemo,

Yes, I did not have to reboot when uninstalled from the device manager. I did try with just a scan and when that did not working I tried with an uninstall and a reboot.

Yes, the USB devices worked for more than a year and then stopped working.
Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
And now you have to perform anything of above frequently, once, or ... ?
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maemckayIS ManagerAuthor Commented:
On every reboot I have to F8 to Disable Driver Signature Enforcement.
Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
That would then mean that the driver has been changed, and replaced with an unsigned one, or the signature has got invalid (certificate revoked (by a CRL update), for example). Windows Update is able to update the local list of valid certification authorities, and keep a CRL.
did you try uninstalling the usb controllers as shown here?  you can also use the fixit :
maemckayIS ManagerAuthor Commented:
Hi nobus. No that did not work to fix the problem.
can you do a system restore to a date they were OK?
that can help you out
maemckayIS ManagerAuthor Commented:
Thank you.  Unfortunately system restore is turned off on this machine.
maemckayIS ManagerAuthor Commented:
do the usb  devices show up in disk management (if they are disks)
what type of devices are you talking about?
maemckayIS ManagerAuthor Commented:
HI Nobus, the devices are keyboards, mice and printers.

I also followed the post by Shubes on 6 Jun 2014 8:11 AM ( I restarted and the computer it started the Startup Repair and it was unable to repair the OS.

I will have re-image the computer.
is there any usb device working?
test the devices also on a working pc, to be sure you don't have a mix of problem devices and pc problems
maemckayIS ManagerAuthor Commented:
No, none of the USB devices are working.
Yes, the USB devices were tested on other computers.
i meant - does an usb stick work ok?
you can always run sfc or a repair :            REPAIR         SFC
maemckayIS ManagerAuthor Commented:
Thank you for all your input.  We ended up having to reformat and reimage the computer.

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maemckayIS ManagerAuthor Commented:
Re-imaging was the fastest way to resolve the issue.
it often is
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