Nuc restarts and selects the correct boot device.

check the hard disk or hard disk system.

1. Turn off the power, turn on the chassis, plug and unplug the hard disk power cord and data cable again (if it is a notebook computer, just plug and unplug the hard disk again) _, turn on the computer, and press the DEL key (F2 or other for a notebook computer) to enter the BOOT tab in CMOS to see if the hard disk information can be detected. If so, set the hard disk as the first startup item. Press F1 to save, press Y to confirm to exit and restart.

2. if the hard disk is detected but still cannot be started, use the system USB flash drive or CD to start the computer, then run DISKGENIUS to detect the hard disk and rebuild the master boot record MBR.

the method of setting hard disk startup is as follows: 1. when the computer is turned on, press f2 or delete immediately to enter the nuc panel.

2. use the tab key in the nuc panel to switch to the boot setting option, where you can see the hard disk, optical drive, network card and other devices.

3. press the up and down keys to move to the hard disk name, press enter to select it, and then press shift and+to switch the hard disk to the first place.

4. Press f1 to save and exit to complete the setting, and the computer can be started from the hard disk when it is turned on.