Solved: HP Dreamcolor Z27x- USB 3.0 ports - what are they used for? - HP Support Community - 7059610
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![HP Notebooks PCs - USB Ports On The Dock Do Not Work While Computer is Docked | HP® Customer Support HP Notebooks PCs - USB Ports On The Dock Do Not Work While Computer is Docked | HP® Customer Support](https://support.hp.com/doc-images/730/c06175562.png)
HP Notebooks PCs - USB Ports On The Dock Do Not Work While Computer is Docked | HP® Customer Support
![HP Notebooks PCs - USB Ports On The Dock Do Not Work While Computer is Docked | HP® Customer Support HP Notebooks PCs - USB Ports On The Dock Do Not Work While Computer is Docked | HP® Customer Support](https://support.hp.com/doc-images/163/c06175561.jpg)