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Community Manager
Community Manager

[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.

LED on power button won't light upNUC Not Powering On
LED on power button flashes
LED on power button is lit solid, but no video
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, POSTTroubleshooting for System Hangs, Unexpected Shut Down, or Blue Screens (BSOD) on NUC Devices
No Display after a BIOS UpdateNUC 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 ColorMeaning
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
RedCatastrophic error


Related topics
Troubleshooting Sleep and Wake Issues on NUC
Power Button LED and Ring LED Settings on NUC Kits
No Boot, Auto-Shutdown, or Hang Issues on NUC Element Products
No Display or Boot Issues When Using USB-C or Thunderbolt Monitor after Updating the NUC NUC11PA[H/K...
BIOS Update and Recovery Instructions for NUCs with the Aptio® V UEFI Firmware Core
BIOS Update and Recovery Instructions for NUC with Visual BIOS
NUC Graphics Drivers
Version history
Last update:
‎03-24-2024 01:10 AM
Updated by: