So the Intel support engineers can have more information about your system, Download, run, and save the results of this utility as a text file:
Then ATTACH the text file using the instructions under the reply window ( Drag and drop here or browse files to attach ).
1. The reason for the low performance that your system run on HDD which is installed in the Drive bay. On the Motherboard you have unused M.2 slot. In this slot you may install modern NVMe SSD. For example Samsung 970 Evo Plus 500GB Depends on your budget, you may buy even larger SSD. On this NVMe SSD you should install Windows and Programs, while your data (speed is not important), you may keep on your 1TB HDD. You may install your system from scratch on this SSD or clone your C: partition from HDD to SSD. Then you may extend the
2. In addition I can see (this have nothing to do with the boot time), you have very outdated Graphics Driver version 188.8.131.5286 . Uninstall this driver (form Apps and Features), reboot your NUC and install the latest Intel DCH Graphics Driver Version: 184.108.40.20681
Your Graphics Driver is old. The IDSA indicates the drivers from the Download Site for your NUC. This site wasn't updated, so, you have wrong indication from IDSA. Your NUC is equipped with I7-7567U CPU with integrated Intel Iris Plus Graphics 650. The Intel DCH Graphics Driver Version: 220.127.116.1181 is the latest driver. But, updating this driver will not shorten your boot time. It is simple the latest driver suited for Windows 10 2004.