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RE: Dell Precision 7510 TB16 Boot Issues

I am not sure what a pre-boot module is so I could only speculate.

Many of your drivers have been updated in the last week and the Bios from yesterday.  I think you said you updated the bios and others, so not sure why the USB is disconnecting.  You might look at the device or one of the USB hubs and check the properties for the events tab and see what it is doing.  The description on the bottom goes with the event highlighted.

But unless there is a bad physical connection with the cable, I can't think of anything other than the drivers causing the problem.  If it was just one type of device it might be related but if a mouse stays connected in at least one of the USB ports it may be the drive.  Make sure and check the USB ports for USB version and whether the power sharing one is being used.

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XPS 2720, Inspiron 17 7779, Inspiron 15 7567, XPS 13 9365, Inspiron 1545, TB16 Dock

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