How to Check CPU Temperature: 12 Steps

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How to Check CPU Temperature: 12 Steps
How to Check CPU Temperature: 12 Steps
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Overheating is one of the worst enemies of computers. Heat management is critical to keeping your system healthy. If your computer gets too hot, it could cause errors, performance drops and unexpected shutdowns. One of the most important components of a PC is the processor (CPU), so you'll always want to make sure it's at the right temperature. Follow this guide to keep it under control.

Steps

Part 1 of 3: Using the BIOS

CPU Temperature Step Monitor 1
CPU Temperature Step Monitor 1

Step 1. Restart your computer

Your BIOS is the menu that allows you to adjust your computer's basic settings. Most BIOS interfaces have a built-in hardware monitor, which allows you to control the temperature. You will be able to enter the BIOS as soon as the computer turns on.

If your computer has Windows 8, open the Power menu and hold down the Shift key as you click Restart. This will start your computer in Advanced Boot Mode, where you can open the motherboard settings (UEFI) from the Troubleshooting menu

CPU Temperature Step Monitor 2
CPU Temperature Step Monitor 2

Step 2. Press the BIOS key

The key varies according to your hardware manufacturer. The keys typically are F2, F10 and Del. The correct key will be indicated on the manufacturer logo screen.

If you don't press the key in time, your computer will boot normally and you will have to try again

CPU Temperature Step Monitor 3
CPU Temperature Step Monitor 3

Step 3. Find the Hardware Monitor

Different BIOS programs will have different indications for this entry. Some of the more common definitions are H / W Monitor, Status, PC Health, etc.

CPU Temperature Step Monitor 4
CPU Temperature Step Monitor 4

Step 4. Check the temperature of your CPU

The temperature limit of your CPU varies by model, but generally this value should be below 75 ° C. Check your CPU documentation to determine the exact critical temperature.

Check other temperatures. When you check the temperature of your CPU, it also checks the status of the rest of the system. Most hardware monitors will also report the motherboard temperature, the graphics card temperature, and in some cases the ambient temperature inside the case

Part 2 of 3: Using a Program

CPU Temperature Step Monitor 5
CPU Temperature Step Monitor 5

Step 1. Install a hardware control program

Most motherboards offer hardware control programs included on the installation disc or available on their websites. You can also download free programs that can read the BIOS temperature measurements and report them. The most popular programs include:

  • Open Hardware Monitor
  • Speedfan
  • Core Temp
  • HWMonitor
  • Real Temp
CPU Temperature Step Monitor 6
CPU Temperature Step Monitor 6

Step 2. Run the program

When you've downloaded and installed your chosen program, open it to get a temperature reading of your computer. Most programs will show all temperature measurements, as well as fan speeds and voltage measurements. Compare them to the recommended levels in your system documentation.

Some programs may require special access to your computer's settings to work, and will ask you for confirmation

Part 3 of 3: Lower the CPU Temperature

Clean the Inside of a Computer Step 5
Clean the Inside of a Computer Step 5

Step 1. Let your computer breathe

Make sure none of the fans or vents are blocked. Open your computer and remove the dust using compressed air. If air cannot flow over the components, heat will begin to build up.

Apply Thermal Paste Step 4
Apply Thermal Paste Step 4

Step 2. Apply a new thermal paste

Thermal paste is what conducts heat from the CPU to the heatsinks. Over time, the thermal paste degrades. There are different opinions on how often the thermal paste should be replaced, but if you notice temperatures that are higher than normal, you can try this simple remedy first.

Don't use too much thermal paste, as it may insulate the CPU instead of conducting heat. The best way to apply it is to use a small drop evenly distributed over the CPU

Install a CPU Cooler in an AMD Motherboard Step 4
Install a CPU Cooler in an AMD Motherboard Step 4

Step 3. Replace the heatsink

If your CPU is always overheating, your heatsink and fan may no longer be effective. Find a new heatsink and fan combination that fits your case and moves more air than your existing setup. Larger fans can make more noise.

Install a Computer Fan Step 3
Install a Computer Fan Step 3

Step 4. Add more fans

If there isn't good air circulation inside your computer, you may need to install multiple fans to move the air properly. Fresh air should be drawn in from the top and front of the computer, and warm air should be expelled from the back.

Build a Computer Step 9
Build a Computer Step 9

Step 5. Replace the hardware components

Older components have a tendency to overheat after long-term use, and in some cases there is no other option than to replace them. If you need to replace your motherboard or CPU, you should consider rebuilding your entire system, because you will still have to reassemble everything.

Underclock a PC Step 3
Underclock a PC Step 3

Step 6. Reduce the CPU frequency

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