Here's a step-by-step tutorial on how to replace the CPU and GPU Fans in a Lenovo Legion 5, 5 PRO using compatible fan models like:
✅Part Number: 5H40S20534 5H40S20535 5H41K58541 5H40S20509 5H41K58540 5H40S20508 5H40S20375 5H40S20372 5H40S20376 5H40S20374 5H40S20373 5H40S20371 5H40S20355 5H40S20357 5H40S20356 5H40S20368 5H40S20369 5H40S20370
✅Model: NS8CC14-20J08 NS8CC15-20J09 NS85C62-20J15 NS85C63-20J17 NS85C62-20L12 NS85C63-20L13 DFS5L32G164860 EP DFS5L32G064860 EP DFS5K22115371G EP DFS5K22305283A EP BAPA0909R5HY002 BAPB0909R5HY002 BAPC0909R5HY002 BAPD0909R5HY002
🔧 How to Replace the CPU and GPU Fans in a Lenovo Legion 5, 5 PRO (5 15ARH7 Type 82RE, 15IAH7 Type 82RC, 5 Pro-16ITH6 Type 82JF, 16ACH6 Type 82JS)
⚠️ Disclaimer
This process involves disassembling your Laptop. Doing so may void the warranty. Proceed only if you're comfortable with delicate electronics and static safety.
🧰 Tools and Materials Needed
Phillips screwdriver (size PH0 or PH1)
Plastic spudger (optional but helpful)
Thermal paste (new)
Isopropyl alcohol & lint-free cloth
Replacement fan: DFS5L32G164860 DFS5L32G064860 DFS5K22115371G DFS5K22305283A BAPA0909R5HY002 BAPB0909R5HY002
Anti-static wrist strap (recommended)
🔌 1. Power Off and Unplug
Shut down the Laptop completely.
Unplug the power adapter and all connected cables.
Press and hold the power button for a few seconds to discharge remaining power.
📦 2. Remove the Bottom Cover
Turn the Laptop upside down.
Use a Phillips screwdriver to remove the four screws from the bottom.
Carefully lift off the bottom cover.
💽 3. Remove the SSD and RAM (Optional but Safer)
If needed, remove the M.2 SSD and RAM to prevent damage.
Set them aside in anti-static packaging or on a clean surface.
🧱 4. Remove the Mainboard
Disconnect all internal cables (fan, front panel, etc.).
Unscrew the board mounting screws.
Gently slide or lift the motherboard out of the case. Be careful of connectors underneath.
❄️ 5. Locate and Remove the CPU and GPU Fans
The fan is mounted on top of the heatsink.
Disconnect the fan cable from the motherboard.
Remove the screws holding the fan in place.
Carefully lift the fan off.
🧼 6. Clean the Heatsink CPU and GPU
Remove any old thermal paste from the CPU, GPU and heatsink using isopropyl alcohol and a lint-free cloth.
Let everything dry.
🔁 7. Install the New Fans
Place the new fan on the heatsink.
Align screw holes and secure it with screws.
Reconnect the fan cable to the motherboard.
Apply a small amount (pea-sized) of new thermal paste to the CPU and GPU.
🧩 8. Reassemble the laptop.
Carefully place the motherboard back into the chassis.
Reconnect internal cables.
Reinstall the SSD and RAM if you removed them.
Close the case and screw the bottom cover back on.
⚙️ 9. Test the System
Plug in the power and boot the laptop.
Enter the BIOS to verify that the fan is detected and spinning.
Monitor CPU temperatures using software like HWMonitor or Intel Power Gadget.
🎉 Done!
You’ve successfully replaced the CPU and GPU Fans in your Lenovo Legion 5, 5 PRO. Your system should now run cooler and quieter.