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How do you apply thermal paste on MacBook Pro?

Author

Matthew Martinez

Updated on February 15, 2026

How do you apply thermal paste on MacBook Pro?

Wrap the tip of your index finger with a piece of plastic (such as a sandwich bag or Saran wrap). Dispense a very small amount of thermal paste onto processor core(s). Use your finger to gently smear the thermal paste over the entire processor core(s).

Beside this, how do you apply new thermal paste?

Apply a thin line of thermal paste directly down the center of the IHS (Integrated Heat Spreader) and then allow the pressure of the CPU cooler to spread the paste as you secure it. The problem with this method is that the paste doesn't spread out evenly.

Similarly, do you need to reapply thermal paste? You absolutely do need to reapply thermal compound if you are replacing your heatsink on your processor, but new HSFs usually have some preapplied from the factory. You generally don't reapply thermal paste to a GPU unless you're installing an aftermarket cooling solution or something.

Also to know, does Apple replace thermal paste?

It is likely to expand an damage your MBP unless you remove it. There is nothing wrong in replacing thermal paste if you are willing to go through the effort, but do not expect dramatic reductions in temperature. For light usage, the 70°-80° temperatures are high.

What thermal paste does Apple use?

The thermal paste that Apple uses was chalkier than we would like to see. We used alcohol wipes to remove the factory paste, then we applied Kryonaut before putting everything back together.

Can I use toothpaste as thermal paste?

It might be better than nothing, but unless toothpaste has unsuspected thermal conductivity, I'd say it's a bad idea. You also have to consider what the ingredients of the toothpaste might do in contact with your CPU. It's more expensive than toothpaste, but worth it.

What happens if you dont use thermal paste?

The role of thermal paste is to "fill in the gaps" and allow for better transfer of heat from the heatspreader to the heatsink. What happens if you don't have thermal paste? Things don't work as efficiently as they should. Your CPU's operating temperature will be higher.

How do I know if my thermal paste is bad?

The only thing that goes bad with thermal compound is them going solid. Or completely liquid. It should be fine as long as its been sealed tight.

What happens if I put too much thermal paste on my CPU?

The point of thermal paste is to provide a medium to increase the thermal conductivity between your CPU and the base of the heatsink. If you put too much, it actually acts as an insulator, which is the exact opposite of what you want. In the worse case scenario, you can overheat and damage components.

How long does it take to replace thermal paste?

MadGoat1979 : As a rule of thumb I have always reapplied thermal paste after 2 years.

How hot is too hot for CPU?

Ideally, your room should be about 23°C/73°F, but anything in excess of 27°C /80°F can be detrimental to your computer. What should the normal operating temperature of your CPU be? Your processor shouldn't be hotter than 75°C/167°F, nor significantly colder than 20°C/68°F.

Should I replace thermal paste laptop?

Lifer. You should replace it when there are indications that it needs to be replaced, such as higher temps than usual. Or, if you know it is over a year old or so, and you are going in there anyway to do something else.

What is the best thermal paste?

Table: Best 10 Thermal Pastes of 2020
Product NameOur Rating
Noctua NT-H1 Thermal Compound4.8/5
Cooler Master MasterGel Maker Thermal Paste4.8/5
Thermal Grizzly Kryonaut Thermal Paste4.7/5
Gelid Solutions GC-Extreme Thermal Compound4.7/5

Where do you apply thermal paste?

Apply thermal paste onto the center of the CPU's IHS.
(If you already have thermal paste pre-applied on your cooler, you can skip this step.) You only need to apply a small amount — roughly the size of a grain of rice or a pea — onto the center of the integrated heat spreader.

What is the best thermal paste for laptop?

12 Best Thermal Pastes for CPU You Can Buy
  1. Thermal Grizzly Kryonaut Thermal Grease Paste.
  2. Gelid Solutions GC-Extreme Thermal Compound.
  3. Cooler Master MasterGel Maker Nano Thermal Paste.
  4. Arctic MX-4 Thermal Compound.
  5. Arctic Silver 5 Thermal Paste.
  6. Noctua NT-H2 Thermal Compound.
  7. Coollaboratory Liquid Ultra Thermal Compound.

Why too much thermal paste is bad?

Too much thermal paste is usually bad for your CPU. Spreading it out by hand causes air bubbles to form. Applying the heatsink will spread it out, covering the short area of the processor it needs to, when you put it on. Remember covering the entire processor corner to corner doesn't make a notable difference.

Can new thermal paste go over old?

4 Answers. No, adding more would be bad. What you want to do is to clean off all existing paste (use isopropyl alcohol if you can) and apply a bit of fresh paste. If you're talking about the layer that comes with a new cooler, you can usually use it directly - you don't need to use your own at all.

Will thermal paste fix overheating?

ORIGIN PC Support
A commonly known way of preventing overheating is to make sure to replace your thermal paste when it has begun to dry out. At least once a year, replace the thermal compound located between the heatsink and the CPU/GPU (depending on your system).

Do Mac Minis run hot?

Apple's envornmental specs have an operating temp of “Operating temperature: 50° to 95° F (10° to 35° C)“ but even if using your Mac mini at the max. of 34.9C but the mini's cooling system was keeping the on-die cpu temp below 100C, you're fine. If you were overheating, then the system would be shutting down.

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