You are right.
I just removed the bluray and left all the other peripherals and that way the NUC came in normally and all the peripherals connected in the usb hub, are working well.
The momentary solution was to connect the bluray on the two USB ports on the NUC side and so he also accessed normally.
I think this happens because it is an old usb hub, version 2.0.
I will buy a TP-Link UH700, which has 7 USB 3.0 ports and uses power supply.
Do you think it can work with bluray connected in the most current hub?
I've suspected that the bluray causes this problem because it is fed by power from the USB. USB 3.0 provides more efficient power management and increased power delivery over USB 2.0. The amount of current draw for USB 3.0 devices operating is now 900 mA, resulting in an increase in total power delivery from 2.5 W to 4.5 W (at 5 V). You shall check the power consumption of your blueray. So, could be that USB 3.0 hub will be a solution for you. You shall take care to connect both ends of the USB "Y" connection to the same power supply (i.e. both ends connected to HUB or both ends connected to NUC).
Hello, again thank you very much for your message.
On using the "Y" connection of the bluray, both sockets connected in the hub only, I already did, or only connected in the NUC. This is how I make the connection.
The bluray has on the manufacturer's label, LG model BP06LU10 - Input: 5V = 1.6A
That way, I will buy even the hub quoted in the previous post.
From the comments of friends here, I believe the bluray needs more power than is provided by the usb 2.0 port of the old hub.
I made the purchase and I await receipt of the usb hub 3.0 from TP-Link, model UH400.
When testing with this device, I will report here if it worked.
If it does not resolve, then I will buy a model indicated on the page of devices tested and approved by Intel.
Finally I received the usb hub 3.0 TP-Link UH400 4 ports.
Connected all the devices described in the initial post, yes, the NUC was able to boot and all the peripherals are recognized, including the bluray recorder.
Only the boot got a bit slow and I think it's normal.
Faced with this, I consider that the hub usb 3.0 TP-Link UH400 4 ports, it is compatible with the Intel NUC7i7BNH.