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Device Manager in my HP Envy 360 shows only 2 drivers, both with alerts, and not working.

HP Recommended
Envy x360 Convertible Model 15-bq100AU
Microsoft Windows 10 (64-bit)

Help - the hair on my 65 year old head is going even more grey. Recently my HP Envy laptop stopped responding when I insert a USB stick. I looked in Device Manager and before there were 6 entries in the Universal Serial Bus controllers section, but now there are only 2 and both have exclamation marks against them.

I have done 3 complete resets, restoring either from the recovery partition, or from the cloud, and even a reset with a complete clean of the C drive, but each time the reset finishes and I reboot I get the same errors on the ports.

If I try to update the drivers I get a message saying

"Windows cannot verify the digital signature for the drivers required for this device. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source. (Code 52"

I have run out of ideas. Can anyone please help?


Cliff in Perth, Western Australia

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