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HP Recommended
HP Z2 Tower G9 Workstation Desktop PC (643Q6AV)
Microsoft Windows 11

A few days ago I posted about an intermittent issue with the Display/Graphic Card and now I have a malfunctioning USB 3.0 port.

Whenever I connect a printer or plug in a HP thumb drive into the port, the devices disconnect and have to be re-inserted or they keep flipping between connecting/disconnecting every few seconds. Other ports are working fine.

So far, I have tried updating Windows along with USB drivers but everything seems to be in place.

Keeping in mind intermittent issue with the Display/Graphic Card and USB port, is this an indication of motherboard or PSU failure?

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