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Einleitung

The small form factor makes the NUC too prone to overheating due dust accumulation in the CPU cooler air outlet fins

  1. Fix NUC8i7BEH overheating, Turn NUC upside down: Schritt 1, Bild 1 von 3 Fix NUC8i7BEH overheating, Turn NUC upside down: Schritt 1, Bild 2 von 3 Fix NUC8i7BEH overheating, Turn NUC upside down: Schritt 1, Bild 3 von 3
    • Place the NUC upside down and select a PH2 Phillips screw driver bit

  2. Fix NUC8i7BEH overheating, Unscrew lower lid: Schritt 2, Bild 1 von 2 Fix NUC8i7BEH overheating, Unscrew lower lid: Schritt 2, Bild 2 von 2
    • Start by using a Phillips head #2 screw driver to remove the lower screws on the lower case door.

    • These screws are held in with retainers, so they won't fall out when you flip the lid.

    What are the size of these case screws?

    Michael Lepore - Antwort

  3. Fix NUC8i7BEH overheating, Lid and HDD Bracket: Schritt 3, Bild 1 von 3 Fix NUC8i7BEH overheating, Lid and HDD Bracket: Schritt 3, Bild 2 von 3 Fix NUC8i7BEH overheating, Lid and HDD Bracket: Schritt 3, Bild 3 von 3
    • Lift the door, and keep an eye on the cables that connect to the NUC's motherboard. These cables are the power and data cables for the 2.5" hard drive bay.

    • Carefully unplug the cables from the motherboard, and set the bracket aside.

    • In the last photo, the slot for a blade SSD is marked with a red arrow. This is where you would install the blade SSD, and use a screw to hold it in place.

  4. Fix NUC8i7BEH overheating, SSD removal: Schritt 4, Bild 1 von 2 Fix NUC8i7BEH overheating, SSD removal: Schritt 4, Bild 2 von 2
    • Change the screw driver bit to the PH1 one.

    • Unscrew the V-NAND SSD and carefully slide it out of its connector.

    • Previous step as video

  5. Fix NUC8i7BEH overheating, Motherboard Removal (Screw driver): Schritt 6, Bild 1 von 1
    • Change the screw driver bit to PH1

  6. Fix NUC8i7BEH overheating, Motherboard Removal: Schritt 7, Bild 1 von 3 Fix NUC8i7BEH overheating, Motherboard Removal: Schritt 7, Bild 2 von 3 Fix NUC8i7BEH overheating, Motherboard Removal: Schritt 7, Bild 3 von 3
    • Unscrew the screws marked in red circles

  7. Fix NUC8i7BEH overheating, Motherboard Removal, continued.: Schritt 8, Bild 1 von 3 Fix NUC8i7BEH overheating, Motherboard Removal, continued.: Schritt 8, Bild 2 von 3 Fix NUC8i7BEH overheating, Motherboard Removal, continued.: Schritt 8, Bild 3 von 3
    • Remove the WiFi and Bluetooth antenna cables (be extremely careful when doing this otherwise you risk to rip the base contact terminal off the PCB)

    • Remove the stereo mic cable from the motherboard connector.

    • Pay attetion to the WiFi cable hidden under a black piece of tape

    Remove WiFi an Bluetooth antenna Cable very carefully. Terminals can be ripped of easily.

    Christian Reinhold - Antwort

    very true, I’ll add it to the guide

    Vladimir Knobel - Antwort

    Added to the step in the guide, thanks for pointing that out!

    Vladimir Knobel - Antwort

    • Disconnect mic cable

    • Remove padders from the sides

  8. Fix NUC8i7BEH overheating, Remove protection padding, continued: Schritt 11, Bild 1 von 2 Fix NUC8i7BEH overheating, Remove protection padding, continued: Schritt 11, Bild 2 von 2
    • Not all are necessary only the two depicted.

  9. Fix NUC8i7BEH overheating, Motherboard Removal, final step: Schritt 12, Bild 1 von 3 Fix NUC8i7BEH overheating, Motherboard Removal, final step: Schritt 12, Bild 2 von 3 Fix NUC8i7BEH overheating, Motherboard Removal, final step: Schritt 12, Bild 3 von 3
    • Use a pry tool to lift the motherboard from the casing

    • Marked with red circles the dust signs evident on first sight

    Amazing! Could replace the fan. Have also removed the 4 screws of the heatsink , and renewed the thermal paste underneath it. That was necessary. It was dried out. THANKS!! It works like new: no overheating anymore. A lot faster.

    lutgart.schreyen - Antwort

    The key for getting the motherboard is to move apart very firmly the two opposite sides of the metal casing, so as to let the connectors move down.

    Jan Drouaud - Antwort

  10. Fix NUC8i7BEH overheating, Remove CPU fan: Schritt 13, Bild 1 von 3 Fix NUC8i7BEH overheating, Remove CPU fan: Schritt 13, Bild 2 von 3 Fix NUC8i7BEH overheating, Remove CPU fan: Schritt 13, Bild 3 von 3
    • Remove the 3 screws fixing the CPU fan

    • Remove the fan power connect from the motherboard

  11. Fix NUC8i7BEH overheating, Blast off dust from CPU air exit fins: Schritt 14, Bild 1 von 3 Fix NUC8i7BEH overheating, Blast off dust from CPU air exit fins: Schritt 14, Bild 2 von 3 Fix NUC8i7BEH overheating, Blast off dust from CPU air exit fins: Schritt 14, Bild 3 von 3
    • You will need to use compressed air, a small vacuum cleaner or something similar to blast off all the stucked dust.

  12. Fix NUC8i7BEH overheating, Blast off dust from CPU air exit fins, continued: Schritt 15, Bild 1 von 1
    • I'm using a compressed air can (optional)

    • Video of the procedure

    • Video of the procedure

  13. Fix NUC8i7BEH overheating, Exchange thermal paste for CPU cooler (optional): Schritt 18, Bild 1 von 2 Fix NUC8i7BEH overheating, Exchange thermal paste for CPU cooler (optional): Schritt 18, Bild 2 von 2
    • This step is probably not necessary, but for the sake of completeness here it is.

    • Remove the screws holding the CPU cooler following the numbers on them.

  14. Fix NUC8i7BEH overheating, Clean old CPU thermal paste: Schritt 19, Bild 1 von 3 Fix NUC8i7BEH overheating, Clean old CPU thermal paste: Schritt 19, Bild 2 von 3 Fix NUC8i7BEH overheating, Clean old CPU thermal paste: Schritt 19, Bild 3 von 3
    • Use isopropyl alcohol for this, be careful not to touch the the thermal pads on the chips around the CPU.

  15. Fix NUC8i7BEH overheating, Reapply CPU thermal paste: Schritt 20, Bild 1 von 1
    • Be careful not to apply too much of it.

Abschluss

To reassemble your device, follow these instructions in reverse order.

21 weitere Nutzer haben diese Anleitung absolviert.

Vladimir Knobel

Mitglied seit: 27.03.2014

1.602 Reputation

2 Anleitungen geschrieben

18 Kommentare

Very helpful, thank you!

Ray Wang - Antwort

Great tutorial, thanks, now my fan is very clean and quiet. Thanks for spending time to create this guide!

Schüszterl Ferenc - Antwort

I did see this guide after finding out the same steps myself and having seen this guide before doing so would be very helpful.

Jack Graus - Antwort

Great tutorial. Clear pictures, solid instructions. Thanks a lot!

Koen Veys - Antwort

you are welcome

Vladimir Knobel -

Thank you. Awesome video! How often do NUC's get heating issues from average use? Is this also Intel's troubleshooting method, or would they ship a replacement NUC?

UTuberoni - Antwort

Thank you very much! This seems to be problem with NUCs because the first one I had was replaced under warranty after the fan quit but glad I was able to clean this to hopefully keep it running longer.

Patrick McNamara - Antwort

Glad it helped!

Vladimir Knobel -

Just what I needed and couldn’t find elsewhere! Thank you.

Nikolay Cholakov - Antwort

Great guide. Super useful, A+

Brad Thelad - Antwort

Hello,

Thank you very much for this tutorial.

What is the thickness of thermal pad?

L B - Antwort

Hi @L+B I don’t know which one you mean but I’m afraid I don’t possess that information.

Vladimir Knobel -

I own the same model as yours (8i7BEH).

I have bought thermal paste for CPU but not yet the thermal pads (for eDRAM and PCH) and was wondering what to buy before disassembling my unit :-)

L B -

Incredibly helpful, thank you! My NUC started blowing like a jet engine and thermal throttling and I realized it was hitting 100C temps. Followed this guide and found my heatsink / fan slots were completely blocked with fine dust - no hair or dust bunnies, but just plugged completely. Blew it out and am back down to 75C at max (transcoding) usage.

Answering two questions above:

- antenna connectors pull straight out from the motherboard. A pair of tweezers is a good tool for this.

- thermal pads are 1mm. came up as 0.7 on my calipers so assuming slightly compressed.

My personal mistake - if you find any of the screws connecting the outer case to the unit won’t screw down, check where you put the screws connecting the motherboard to the base. I had accidentally put a motherboard screw into a case screw hole and then couldn’t screw in that case screw until I moved the motherboard screw.

Taking photos as you go is a good idea!

solstyce9 - Antwort

Awesome guide. Helped me a lot!

trajche.manev - Antwort

Can you measure the distance betwen the holes that hold the cooling radiator ? I’m planning on upgrading it with a regular CPU cooler. Thanks !

Lucian Pop - Antwort

Great, thx! Works for Intel NUC8BEB / Wortmann Terra PC-Micro Sielent 6000 almost identical. After disassembling the unit, I applied a little WD40 to the noisy fan. Did the trick!

Tobias Baumhauer - Antwort

Thank you so much. I was able to strip the fan out and blew it out with my compressor. It still made a noise when I moved it with my finger (like it was almost off-center) sprayed a bit of WD-40 into it and more air. It is quiet (for now).

But, thank you very much again

regards

Aubrey (aka cyber7, Cape Town, South Africa)

Aubrey Kloppers - Antwort

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