How to Install Corsair Liquid CPU Cooler ? (Step-by-Step Beginner’s Guide)
Learn how to install Corsair liquid CPU cooler with this simple, step-by-step guide. Perfect for beginners, this tutorial makes PC cooling easy and stress-free.

How to Install Corsair Liquid CPU Cooler?
Installing a Corsair liquid CPU cooler might sound hard, but don’t worry—it’s easier than you think. In this guide, you’ll learn how to install Corsair liquid CPU cooler step by step. Whether you’re building a new PC or upgrading your old one, this guide will help you do it right.
Let’s get started!
Why Choose a Corsair Liquid CPU Cooler?
Before we jump into the steps, let’s talk about why Corsair is a great choice. Corsair is a trusted brand in the PC world. Their liquid coolers are quiet, powerful, and look amazing with RGB lights. They also help your CPU stay cool, even when you’re gaming or editing videos.
What You’ll Need Before You Begin
To install your Corsair liquid CPU cooler, you’ll need a few things:
- A Corsair liquid CPU cooler (like H100i, H115i, or H150i)
- A compatible PC case
- A Phillips screwdriver
- Your motherboard manual
- Thermal paste (if not pre-applied)
Make sure your PC is turned off and unplugged. Also, ground yourself to avoid static electricity.
Step 1: Prepare Your Case and Motherboard
First, open your PC case. Remove the side panel so you can see the inside. If you already have a cooler installed, take it off carefully.
Next, check your motherboard. Corsair coolers work with Intel and AMD sockets. If you’re using Intel, the cooler usually comes with the bracket already attached. For AMD, you may need to switch the bracket.
Tip: Always read the manual that comes with your cooler. It shows which parts to use for your CPU type.
Step 2: Install the Backplate
Now it’s time to install the backplate. This goes behind your motherboard and helps hold the cooler in place.
- For Intel: Use the included backplate and line it up with the holes on your motherboard.
- For AMD: Use the default AM4 backplate that came with your motherboard.
Once the backplate is in place, screw in the standoffs from the front side.
Step 3: Attach the Radiator and Fans
This part is fun! Decide where you want to place the radiator. Most people install it at the top or front of the case.
- Attach the fans to the radiator using the long screws.
- Then, mount the radiator to your case using the short screws.
Make sure the fans are facing the right way. They should pull cool air in or push hot air out.
Step 4: Install the Pump Head
Now, remove the plastic cover from the pump head. If thermal paste is already applied, you’re good to go. If not, apply a small dot of thermal paste to the center of your CPU.
Place the pump head onto the CPU. Line it up with the standoffs and secure it using the thumbscrews. Tighten them in a crisscross pattern for even pressure.
Step 5: Connect the Cables
This step is super important. Without the cables, your cooler won’t work.
- Plug the pump tach cable into the CPU_FAN header on your motherboard.
- Connect the USB cable from the pump to a USB 2.0 header.
- Attach the SATA power cable to your power supply.
- Use the PWM splitter to connect the fans to the pump or motherboard.
Take your time and double-check each connection.
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Step 6: Install Corsair iCUE Software
Once everything is connected, close your case and turn on your PC. Now, download and install Corsair iCUE software from the official Corsair website.
This software lets you:
- Control fan speeds
- Monitor CPU temperatures
- Customize RGB lighting
- Set up alerts for overheating
It’s easy to use and makes your cooler even better.
Step 7: Test Your Setup
After installing iCUE, check if everything is working:
- Are the fans spinning?
- Is the pump running?
- Can you see the cooler in iCUE?
If yes, congrats! You’ve successfully learned how to install Corsair liquid CPU cooler.
Tips for Better Cooling
Here are a few extra tips to keep your system cool:
- Keep your case clean and dust-free.
- Use good airflow—intake fans in the front, exhaust fans in the back or top.
- Don’t block the radiator with cables or other parts.
Common Mistakes to Avoid
Even though the process is simple, mistakes can happen. Here’s what to watch out for:
- Forgetting to remove the plastic cover from the pump
- Not applying thermal paste (if needed)
- Plugging cables into the wrong headers
- Mounting the radiator upside down (hoses should be at the bottom if mounted in front)
Conclusion
Now you know how to install Corsair liquid CPU cooler like a pro. It might seem tricky at first, but with the right steps, anyone can do it. This cooler will keep your CPU cool and quiet, even during heavy tasks.
Take your time, follow the steps, and enjoy your upgraded PC!

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FAQ – How to Install Corsair Liquid CPU Cooler
Q1: Do I need to apply thermal paste? A: Only if your cooler doesn’t come with pre-applied paste. Most Corsair models already have it.
Q2: Can I install the radiator at the bottom of the case? A: It’s not recommended. Top or front mounting gives better airflow.
Q3: What if my fans don’t spin? A: Check the fan cables and make sure they’re connected to the right headers.
Q4: Is Corsair iCUE software required? A: It’s not required, but it helps you control lighting and fan speeds easily.
Q5: How often should I clean my cooler? A: Every 3–6 months. Use compressed air to remove dust from the radiator and fans.
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