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Intel® NUC
Troubleshooting no boot issues

This document lists troubleshooting tips if your Intel® NUC Kit or Board does not boot up properly.

Memory issues
Check the following:

  • Use the correct voltage memory modules (1.35V or 1.5V) for your Intel NUC. To find the memory requirement for your Intel NUC, go to System Memory Information.
  • If you have just one memory module, install it in the upper (DIMM 1) socket.
  • A pattern of three LED blinks during boot can indicate defective memory. To isolate a specific module as defective, boot the system with just one installed at a time. You can also try testing suspected defective memory in a different system.
  • Remove and reinstall the memory modules to make sure they are fully seated in the sockets.

Overheating issues
The following symptoms can occur if installed components in the Intel NUC overheat:

  • Devices (such as mSATA SSDs) are no longer detected.
  • The system will not boot.
  • The system randomly shuts down.

If any of the overheating symptoms appear, check the following:

  • The Intel NUC is set on a hard surface.
  • The ventilation holes in the back and bottom of the chassis are not blocked.
  • The Intel NUC is set vertically on its left or right side (for better airflow to the bottom ventilation holes).

Adjust the cooling settings in BIOS setup:

  1. Press F2 during boot to enter the BIOS Setup.
  2. Click the Cooling tab.
  3. Set System Fan Control to Cool.
  4. Press F10 to save and exit BIOS.

See High temperature causes SSD to stop working for more information.

Monitor/display issues
Check the following:

  • If the Intel NUC is connected to the display through an AV receiver, or with a video adapter (such as HDMI-to-DVI), try connecting directly to the display instead.
  • If the display has multiple HDMI inputs, make sure you have selected the correct one (usually selectable via an input option on the display's remote control unit).

Settings were changed in BIOS
Changes in BIOS settings (such as Fast Boot or performance settings) can cause the Intel NUC to no longer boot.

Restore BIOS defaults:

  1. Press F2 during boot to enter the BIOS Setup.
  2. Press F9 to load factory defaults.
  3. Press F10 to save and exit the BIOS Setup.
  4. If restoring BIOS defaults does not work, clear the CMOS.

You might need to perform a BIOS Recovery after clearing the CMOS. This can be done even when there is no display on the computer.

Related topics
Blink codes and beep codes
Port 80h POST codes

This applies to:

Intel® NUC Board D33217CK
Intel® NUC Board D33217GKE
Intel® NUC Board D34010WYB
Intel® NUC Board D53427RKE
Intel® NUC Board D54250WYB
Intel® NUC Board DCP847SKE
Intel® NUC Board DE3815TYBE
Intel® NUC Kit D34010WYK
Intel® NUC Kit D54250WYK
Intel® NUC Kit DC3217BY
Intel® NUC Kit DC3217IYE
Intel® NUC Kit DC53427HYE
Intel® NUC Kit DCCP847DYE
Intel® NUC Kit DE3815TYKHE
Intel® NUC Kit DN2820FYKH
Intel® NUC Kit NUC4i5MYHE

Solution ID: CS-034211
Last Modified: 04-Sep-2014
Date Created: 14-Apr-2013