Dell Precision 5560 ThrottleStop Guide: Stop Overheating Without Undervolting

The Dell Precision 5560 is a powerhouse. i7-11800H CPU. RTX A2000 GPU. 64GB RAM. But there is a catch — it runs hot. Really hot.

I bought mine second-hand. First benchmark hit 100°C within seconds. Thermal throttling kicked in. Performance tanked. I replaced the thermal paste. I replaced the heat pipe. Neither fixed it.

The real fix was software — a free tool called ThrottleStop. Temps dropped from 100°C to ~80°C under sustained load. No undervolting needed. Here is how.

What is ThrottleStop?

ThrottleStop is a free utility from TechPowerUp. It gives you control over your Intel CPU. You can adjust turbo boost, Speed Shift, power limits, and more.

Download it from techpowerup.com. Extract the ZIP. Run ThrottleStop.exe. No installer needed.

Important: ThrottleStop must run at startup. Use Windows Task Scheduler. Create a basic task. Trigger: at log on. Action: start ThrottleStop.exe. Check “Run with highest privileges.” Details at the end of this guide.

Why the Dell Precision 5560 Overheats

Four reasons this machine runs hotter than it should:

• Dense chassis. Thin and light leaves less room for cooling hardware.
• Shared heat pipe. One pipe handles both the i7 CPU and the RTX A2000 GPU. Heat from one component spills into the other.
• Conservative fan curves. Dell prioritizes quiet over cool. Fans stay lazy until the laptop is already cooking.
• Aggressive turbo boost. Intel pushes clocks to ~4.6 GHz instantly. That creates a heat spike before the fans can react.

And the i7-11800H is factory-locked. Intel locked undervolting on 11th-gen H-series CPUs. Most tuning guides tell you to undervolt — that will not work here.

Step-by-Step ThrottleStop Configuration

Step 1: Disable Turbo Boost

Open ThrottleStop. Check the “Disable Turbo” box on the main window.

This locks your CPU to its base clock — 2.3 GHz instead of 4.6 GHz boost. For most daily tasks you will not notice the difference. Browsing, coding, VMs, office work — all feel the same.

The temperature drop is massive. Turbo boost is the number one cause of heat spikes on this laptop. Disabling it is worth more than any hardware mod.

Step 2: Configure Speed Shift EPP

Speed Shift EPP controls how aggressively the CPU chases high clock speeds. Found on the main ThrottleStop window.

• 0 = maximum performance. CPU stays at high clocks.
• 255 = maximum power saving. CPU stays at low clocks.
• 128 = balanced. Recommended for most users.

Set Speed Shift EPP to 128. For cooler temps, try 192. For more performance, try 80. Experiment and find your sweet spot.

Step 3: Adjust Speed Shift Time

Speed Shift Time controls how fast the CPU ramps up to turbo. The default is aggressive — instant jump to max clock.

Increase this value. The CPU will ramp up gradually instead of spiking. This avoids sudden heat bursts. You still get full performance — it just takes a half-second longer to reach peak. Smoother thermals, same result.

Step 4: Power Limits (Optional)

Click the TPL button in ThrottleStop. Set PL1 and PL2 limits:

• PL1 (long-term): 35-45W. Keeps sustained loads cool.
• PL2 (short-term): 55-65W. Allows burst performance for quick tasks.

These are optional. Disabling turbo alone fixes most overheating. Power limits add extra control for sustained loads like rendering or gaming.

Step 5: Auto-Start ThrottleStop with Windows

You want ThrottleStop running every time you log in. Do not rely on the Windows startup folder — it does not always work for admin tools.

Use Task Scheduler instead:

1. Open Task Scheduler (search the Start Menu).
2. Click “Create Basic Task.”
3. Name it ThrottleStop. Click Next.
4. Trigger: “When I log on.” Click Next.
5. Action: “Start a program.” Click Next.
6. Browse to your ThrottleStop.exe. Click Next.
7. Check “Open the Properties dialog for this task.” Click Finish.
8. In Properties: check “Run with highest privileges.” Click OK.

ThrottleStop now starts silently at login. It sits in the system tray. Set it and forget it.

My Results

Before any tuning: 100°C within seconds of load. Constant thermal throttling. Fans screaming. Performance in the gutter.

After: Disable Turbo + Speed Shift EPP 128 + PTM7950 phase change pad + Dell Performance Mode fans. Result: 80°C max under sustained load.

That is a 20°C drop. No noticeable performance loss in daily work — coding, browsing, running VMs. All smooth. All cool.

If you need full turbo for a render or compile, just uncheck “Disable Turbo” in ThrottleStop. It takes two seconds. Then re-enable when done.

Do Not Forget Hardware

ThrottleStop does the heavy lifting. But combine it with these hardware fixes for best results:

• PTM7950 phase change pad. Replace the stock thermal paste. Drops another ~10°C. No pump-out over time. Install once and forget.
• Dell Power Manager → Thermal Management → Performance. Forces fans to spin earlier and faster. Or choose “Cool” if you prefer quieter operation.
• Clean fans and vents. Dust builds up fast in thin laptops. Blow it out every few months.
• Laptop stand. Lifting the rear edge improves airflow. Even a book works.

Conclusion

The Dell Precision 5560 is a great machine. It just needs software taming. ThrottleStop is free, safe, and reversible. Nothing is permanent — uncheck a box and you are back to stock.

Intel says 100°C is “within spec.” That is technically true. But 80°C is better for longevity. Your fans, your battery, and your lap will thank you.

For the full story of my troubleshooting journey, see: How I Fixed My Dell Precision 5560 Overheating Problem.

For a broader look at taming this machine — BIOS settings, Dell Power Manager, and more — see: Taming a Dell Precision 5560 (Full Story).