[NUC] Failed Boot Issues on NUC Products

[FAQBot]

[NUC] Failed Boot Issues on NUC Products

If your NUC won't start, reference the table below for troubleshooting suggestions. If your issue does not appear on this page, contact ASUS Customer Support.

Description	Troubleshooting
LED on power button won't light up	NUC Not Powering On
LED on power button flashes	NUC Power button LED flashes 1 time every 5 seconds NUC Power button LED flashes 2 times in red NUC Power button LED flashes 3 times NUC Power button LED flashes 16 times
LED on power button is lit solid, but no video	NUC powered on, but no video using HDMI, DisplayPort or mini DisplayPort Recommended: Use latest NUC Graphics Drivers in ASUS Download Center NUC powered on, but no video using Thunderbolt™ Recommended: Use latestNUC Graphics Drivers in ASUS Download Center
See error "No Boot Device Found" or "A bootable device has not been detected"	"No Boot Device Found," or "A bootable device has not been detected" Message on an NUC Product
System hangs during boot, POST	Troubleshooting for System Hangs, Unexpected Shut Down, or Blue Screens (BSOD) on NUC Devices
No Display after a BIOS Update	NUC Shows a Black Screen After a BIOS Update

There is also an NUC - No Boot Troubleshooting Wizard.

Power Button LED Reference table

Default Power button LED Color	Meaning
Blue or white (solid)	Powered on (S0 power state)
Blue or white (breathing)	In Modern standby (S3 power state)
Blue, white, Orange (flashing)	HDD activity
Red	Catastrophic error

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