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HP Recommended
z4 g5 desk workstation

We have purchased (5) HP Z4 G5 workstations in two batches recently.  They all came with Windows 11 but I put Windows 10 on one of these for troubleshooting this issue. Two of these from the first batch started having USB problems. Initially, the USB audio would go out, and unplugging/plugging back in would fix it but then doing that stopped fixing it. Next, the mouse and keyboard would stop working. The system would not recognize if you plugged in a USB flash drive after this issue started. When these issues start you will not hear the Windows sound of the USB device being unplugged, they just stop working.

I then took one of those systems and installed Windows 10 on it to see if it was an OS-dependent issue, it did the same thing in less than a day so it doesn't seem to be OS-dependent.

I then took one of the systems from the second batch and had the exact same problem. USB starts having issues in less than a day and sometimes only a reboot will fix it.

I've got a ticket open with HP but I wanted to reach out and see if anyone else is seeing this. We've spent a ton of money on these and currently, they are unusable.

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