How to Stop Computer and Laptop Overheating and Shut Down Issues

Before You Begin:

This article is the advanced follow-on to the Dell Support Library page How to Prevent Overheating: Tips for Cooling Your PC or Laptop. That page covers the first-line fixes for a Dell computer that runs hot or has fan problems. This article does not repeat them. Complete these first-line fixes before continuing:

• Clean the air vents.
• Review power plan settings.
• Update drivers and the BIOS.
• Install Windows updates.
• Check the thermal profile setting in Dell Optimizer or Dell Power Manager (see the FAQ on Dell Power Manager).
• Run the SupportAssist fan test.

If the overheating, fan noise, or shutdowns continue after these fixes, use the rest of this article.

Which symptom do you have?

Match the situation to a likely cause and go to the listed procedure or section.

What is normal heat and fan behavior on a Dell computer, and what is a problem?

A Dell computer can become warm during normal use. Warmth alone does not mean the computer is faulty. Fan speed and fan noise rise and fall automatically as the internal temperature changes. Continued excess heat can damage internal components and reduce performance.

What causes overheating, a loud fan, or unexpected shutdowns on a Dell computer?

A loud fan, a fan that does not work, and overheating share several causes. Excess heat also reduces performance, because most processors automatically lower their speed to compensate for heat.

Physical and airflow causes

• Obstructed fans or air vents. Blocked vents restrict airflow and can overheat the processor, system memory (RAM), and other hardware. Overheating can lead to hardware failure.
• Physical damage to the fans or air vents, which reduces air circulation.
• Lint and dust on the cooling fins. Accumulation prevents air from flowing around the fins, so the fan works harder and louder.
• Failing cooling hardware, such as a failing fan, heat sink, or thermal material.

Software and configuration causes

• Intel Dynamic Tuning software is missing or out of date (Intel-based laptops).
• The Intel Processor Power Management provisioning package is missing (Intel-based laptops).
• A BIOS thermal setting overrides or conflicts with the software thermal profile.
• A single application, background process, or many startup programs use most of the CPU.

Which fans does a Dell computer have?

A Dell desktop has more than one fan: a processor (CPU) fan and a fan on the dedicated (discrete) video card (GPU). Dell laptops and other Dell computers can contain one or more fans, depending on the model.

Which usage conditions affect the temperature of a Dell laptop?

These conditions are not troubleshooting steps. They describe how the environment and usage affect laptop temperature.

• Surface: A hard, flat, non-cloth surface allows air to reach the fan intake. Using a Dell laptop on a blanket, pillow, cloth, or paper can cover the fan air intake and cause overheating. Damage caused this way can be permanent and might not be covered under the defect warranty.
• Lap use: Dell does not recommend placing a laptop directly on your lap. During normal operation, the bottom of a laptop can exceed a comfortable temperature for sustained contact, and prolonged contact with the chassis might cause skin irritation.
• Room temperature and humidity: The recommended room temperature for reliable operation is 0°C to 35°C (32°F to 95°F), with humidity no greater than 90%. The exact limits for a specific model are in that model’s User’s Guide or Setup Guide at Dell Manuals.
• Cooling pad: A laptop cooling pad has its own fans that supplement the fans in the laptop and help keep airflow at an optimal level.

Stop using the computer: safety conditions

• The chassis, keyboard, or trackpad is swollen, lifting, or deformed.
• There is a burning or chemical smell.
• The computer is too hot to touch after it has been shut down.

Contact Dell Technical Support. Do not attempt to open the computer or remove a swollen battery yourself.

How do the troubleshooting procedures work?

Complete the procedures in order. After each procedure, restart the computer and observe the temperature and fan behavior under your normal workload before continuing to the next procedure. If a procedure does not apply to your product or operating system, skip to the next procedure.

Procedure One: How Do I Run the Dell Preboot Fan Diagnostic (ePSA)?

Purpose: Test one or more fans thoroughly, outside of Windows. Time required: Varies by model.

1. Restart the Dell computer.
2. When the Dell logo appears, press the F12 key to open the One-time Boot Menu.
3. Select Diagnostics. The Quick Test starts. If the Quick Test fails, write down the error code and validation code.
4. Select ADVANCED TEST.
5. Clear the checkmark next to Select All.
6. Select every listing for fans, and then select Thorough.
7. Select RUN TEST.

Result:

• Test fails:
  • Write down the error code and validation code
  • Look up the code in the Dell knowledge base article Reference Table of ePSA, PSA Error Codes, and Troubleshooting Steps (2000-0NNN Series) or Reference Table of ePSA, PSA Error Codes, and Troubleshooting Steps (2000-8NNN Series) depending on the code, and perform the troubleshooting steps listed.
  • If the diagnostics test fails again, browse to our SupportAssist Pre-Boot System Performance Check page and input the Service Tag, ePSA error code and validation code for repair options.
• Test passes: The fan hardware is working. Continue to Procedure Two.

Procedure Two: How do I find and reduce high CPU load in Windows?

Applies to: Dell computers running Windows 11 where the fan runs at high speed but passes hardware diagnostics. Purpose: Lower processor (CPU) load so the fans can run slower. Requirement: Sign in as a user with administrator rights.

Many applications start automatically with Windows and run hidden in the system tray (notification area). Preventing them from launching at startup improves performance and lowers CPU load, which lets the fans run slower.

Part A: Identify a process that uses excessive CPU

1. Close all open windows that you do not need.
2. Right click the Windows icon, and select Task Manager.
3. Select the Processes tab, and then select the CPU column heading to sort by CPU use.
4. Note any application or process that stays near the top of the list while the computer is otherwise idle.
5. Close the application. If the process is a Windows or Dell component, restart the computer and check again.
6. If a third-party application is the cause, check the publisher’s website for an update or a settings change.

Part B: Disable unneeded startup programs

1. While still in the Task Manager, select the Startup apps tab (Windows 11) or the Startup tab (Windows 10).
2. Select a program to stop from launching at startup.
3. Right-click the program, and then select Disable.
4. Repeat steps 2 and 3 for each additional program to disable, except antivirus or anti-malware programs.
5. Restart the computer.

Expected result: With no demanding application open and fewer programs running after startup, CPU use is low and the fan speed falls after a few minutes.

If the problem continues: On an Intel-based Dell laptop, continue to Procedure Three. On any other Dell computer, if the fan still runs at high speed with the computer idle, continue to When should I contact Dell Technical Support?.

Procedure Three: How do I check that Intel Dynamic Tuning is installed and current?

Applies to: Dell laptops with Intel processors that run Windows 10 or Windows 11.

Purpose: Intel Dynamic Tuning is part of the thermal and power management framework that works with the laptop’s fans and processor limits. If it is missing or out of date, the laptop might not manage heat correctly.

1. Ensure the computer is connected to the Internet.
2. Type SupportAssist in the Search box, and open the application.
   NOTE: If SupportAssist is not installed, download it from the SupportAssist for Home PCs information page. Administrative rights are required for installation.
3. On the Home tab, select Update Software.
4. Click Start.
5. Install what it recommends.
6. After installation, restart your computer.

Expected result: Intel Dynamic Tuning appears in the installed apps list with the current version.

Procedure Four: How do I check that the Intel Processor Power Management provisioning package is installed?

Applies to: Dell laptops with Intel processors that run Windows.

Purpose: The Intel Processor Power Management provisioning package lets Dell tune processor power behavior for better performance and power efficiency. If it is missing, the processor might not run with the tuning Dell intended for the model.

1. Select Start > Settings > Accounts > Access work or school.
2. Select Add or remove a provisioning package.
3. Look for Intel Processor Utility in the list of packages.
4. If Intel Processor Utility is not listed, download the Intel Processor Power Management utility for your model from Dell Drivers & Downloads by entering the Service Tag, and install it. For more information on how to manually download drivers see the Dell Library page Updating Drivers and Firmware Using the Dell Website

Expected result: The Intel Processor Utility package appears in the provisioning package list.

Procedure Five: How do I check the thermal setting in the BIOS?

Applies to: Dell laptops whose BIOS includes a thermal management option. The option name and location vary by model.

Purpose: Some Dell laptops let you set a thermal profile in the BIOS as well as in Windows software. If the BIOS is set to a quiet or performance-oriented mode, the fan might not respond the way the software profile suggests.

1. Restart the laptop. When the Dell logo appears, press F2 repeatedly to open BIOS Setup.
2. Locate the Thermal Management option (typically in the power or performance settings).
   Note: Not all computers have a Thermal Management option.
3. Set the option to Balanced, Quiet, Optimized or Cool if available.
4. Select Apply Changes and then Exit to save and restart.

Expected result: The laptop restarts with the BIOS thermal option set to selected option. Fan speed might increase, and fan noise might increase with it.

If the problem continues see When should I contact Dell Technical Support?. For background on the BIOS, see How to Update BIOS: Install and Upgrade BIOS on Windows library page.

Procedure Three: How do I check that Intel Dynamic Tuning is installed and current?

What is thermal throttling?

Thermal throttling is a built-in protection. When the processor or graphics chip reaches a high temperature, the computer reduces clock speed to lower heat output. During sustained heavy work such as gaming, video editing, or 3D rendering, the computer can become slower even when everything is working as designed.

• Throttling by itself does not indicate a fault.
• Throttling that starts within minutes of light use, or that occurs together with lock ups or shutdowns, indicates a problem. Repeat the troubleshooting procedures in this article, if the issue persist see When should I contact Dell Technical Support?.

When Should I Contact Dell Technical Support?

Contact Dell Technical Support to view support offers when any of these apply:

• The ePSA fan test fails and fails again after the listed troubleshooting steps for the error code.
• The fan does not spin, or remains abnormally loud, after Procedure 1 and Procedure 2.
• The computer overheats or shuts down and the fan is not working.
• The computer still overheats, locks up, or shuts down unexpectedly after the Dell Support Library steps and all applicable procedures in this article.
• A Dell hardware diagnostic reports a fan or thermal error.
• The fan makes a grinding or rattling noise, or runs at maximum speed constantly with no load.
• The computer shuts down randomly, does not feel hot, and the checks in this article show no thermal problem (the cause might be power or battery related).
• Any condition in “Stop using the computer: safety conditions” applies.

Have this information ready:

• The Service Tag.
• The ePSA error code and validation code, if any.
• The list of troubleshooting steps already completed from the Dell Support Library page and this article.

Frequently asked questions

Q: Is it normal for a Dell fan to run constantly?

A: Sometimes. A Dell fan can run constantly during a heavy workload such as a Windows update or many open applications, because CPU usage rises and the fans run faster. If the computer is not shutting down and the fan passes diagnostics, this is usually normal. If the fan keeps spinning quickly and makes abnormally loud noise, start with Procedure one.

Q: Why is my Dell computer fan loud or running at high speed?

A: Obstructed air vents or fans, physical damage, and dust on the cooling fins restrict airflow and force the fan to work harder. Restricted airflow can overheat the processor and RAM and can cause the processor to slow itself down. Start with Procedure One.

Q: Is it normal for the bottom of a Dell laptop to feel hot?

A: Yes. During sustained use, the bottom of a Dell laptop can become warm or hot, especially during gaming, video streaming, or when the vents are blocked. Dell does not recommend placing a laptop directly on your lap.

Q: What room temperature is recommended for a Dell laptop?

A: The recommended room temperature for a Dell laptop is 0°C to 35°C (32°F to 95°F), with humidity no greater than 90%. Check the User’s Guide or Setup Guide for the exact limits for your model.

Q: Does using a Dell laptop on a bed or couch void the warranty?

A: Using a Dell laptop on a blanket, pillow, or other cloth can block the fan air intake and cause overheating. Damage caused this way can be permanent and might not be covered under the defect warranty. Check your coverage in Check Support Status.

Q: Is it a problem if the fans run at full speed during the ePSA test?

A: No. ePSA has no dynamic fan control, and the processor runs at full speed during the test, so high fan speed is expected.

Q: Does disabling startup programs make a Dell computer fan quieter?

A: It can. Fewer background programs lower CPU load, and a lower load lets the fans run slower.

Q: Should I disable my antivirus program at startup to reduce fan noise?

A: No. Disabling antivirus or anti-malware at startup can expose the computer to malware infection.

Q: Do I need administrator rights to disable startup programs?

A: Yes. Sign in as a user with administrator rights to change startup apps in Task Manager.

Q: Where do I look up an ePSA error code?

A: Use the Dell knowledge base article Use the Dell knowledge base article Reference Table of ePSA, PSA Error Codes, and Troubleshooting Steps (2000-0NNN Series) or Reference Table of ePSA, PSA Error Codes, and Troubleshooting Steps (2000-8NNN Series) depending on the code. Have the Service Tag, ePSA error code and validation code.

Q: Which fans does a Dell desktop have?

A: A Dell desktop has a processor (CPU) fan and a fan on the dedicated (discrete) video card (GPU).

Q: Is Dell Power Manager still available?

A: No. Dell Power Manager has been discontinued, and its features are now integrated into Dell Optimizer and MyDell. Dell recommends Dell Optimizer for Latitude, Precision, and OptiPlex users, and the MyDell app for XPS, Inspiron, and Vostro users.

Q: Do the Intel Dynamic Tuning and Intel provisioning package checks apply to AMD laptops?

A: No. Procedures Three and Four apply to Dell laptops with Intel processors. They do not apply to laptops with other processors.

Q: How do I know if my Dell laptop is throttling?

A: If the laptop slows noticeably during sustained heavy work and is also very warm, it might be thermal throttling. To confirm, check whether the processor speed shown in Task Manager under Performance > CPU stays well below the expected speed during heavy load. Speed can also be lower because of power-saving settings, so use the speed reading together with the heat symptoms.

Q: My Dell computer shuts down randomly, but it does not feel hot. Is it overheating?

A: Not necessarily. Random shutdowns can have causes unrelated to heat, such as power or battery problems. If the checks in this article show no thermal problem, contact Dell Technical Support.

Q: What should I do if none of these steps work?

A: Contact Dell Technical Support see When should I contact Dell Technical Support?.