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HP Z420 USB 3.0 issue
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Solved: z420 Win10 - HP Support Community - 8591502
![Device manger is showing unknown hardware [HP Z420 Workstaion] - Troubleshooting - Linus Tech Tips](https://pbs-prod.linustechtips.com/monthly_2018_10/Untitled.png.af049b928810659ac8e21c7d63f7a1be.png "Device manger is showing unknown hardware [HP Z420 Workstaion] - Troubleshooting - Linus Tech Tips")
Device manger is showing unknown hardware [HP Z420 Workstaion] - Troubleshooting - Linus Tech Tips
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HP Z420 Workstation
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![Device manger is showing unknown hardware [HP Z420 Workstaion] - Troubleshooting - Linus Tech Tips](https://pbs-prod.linustechtips.com/monthly_2018_10/Capture.PNG.3679c531cc46c29e9a93677a07c1dcd6.PNG "Device manger is showing unknown hardware [HP Z420 Workstaion] - Troubleshooting - Linus Tech Tips")