Content of the material
- What Happens When a CPU Overheats
- What is the normal GPU temperature under load?
- How to Tell if the Computer is Overheating?
- How to control your PC’s fans
- NVIDIA GPU overheats when playing games
- Room Temperature
- Underperforming Heat Sink
- How to Test the Internal Temperature of Your Laptop
- What Makes Your Laptop Overheat?
- Check the airflow around your laptop
- How do I know if my laptop is overheating?
- Why is my laptop fan so loud?
What Happens When a CPU Overheats
The overheating outcomes vary with the design. Usually, when the computer’s CPU overheats, the first sign is:
- The computer will freeze, hang, or crash.
- If overheating prologues you will encounter a blue screen of death (BSOD) error.
- Some PC users face sudden shutdown or automatic restart.
- If your system comes with an overheating alarm, it will start to blow.
- The computer fan will also make loud Whirrrl sound.
- You can also see pixelated lines or strange graphical artifacts on the screen.
- Continuous CPU heat can also damage the motherboard along with other hardware components.
- Overheating can also effect the slots on the motherboard including motherboard’s VRM.
If you keep running heavy tasks on an overheated PC it can shorten the life span of the CPU.
In the extreme scenario, you can smell the CPU burning and it will start releasing magic smoke. If you still ignore the overheating, there are chances that the CPU starts melting the whole motherboard.
It is not necessary that all the above-mentioned signs appear at the same time. The situation varies depending on computer hardware quality.
What is the normal GPU temperature under load?
The normal GPU temperature under load for a laptop is between 158°F and 167°F (70–75°C). Some users prefer their GPU to have a lower temperature range of 122°F (50°C) to 140°F (60°C).
For a desktop, the normal temperature is usually lower than that of a laptop. Experienced users prefer this temperature to be between 140°F (60°C) and 167°F (75°C).
How to Tell if the Computer is Overheating?
Each part inside the computer has a different threshold for normal temperature. The manufactures of CPUs and GPU have also given their own temp limit.
How to control your PC’s fans
If nothing seems to be out of place, but your fans are still going crackers, then it could be that one of the sensors is playing up and telling the fans to cool things down. There are various apps available, usually for free, that allow you to manage how the fans behave. Take a look out our guide on how to control fan speed for more details.
NVIDIA GPU overheats when playing games
Players have experienced their NVIDIA GTX GeForce 1060 overheating when it’s under load when playing games.
The reasons a NVIDIA GTX GeForce 770 can overheat is because of a dusty GPU, clogged radiator, or a faulty fan controller.
- Fans spinning fast or not working
- Dusty or dirty GPU
- Clogged radiator
- Defective fan controller
- Check the spinning rate of the fans and do an adjustment to their settings using MSI Afterburner or such tools.
- Get rid of the dust or dirt accumulated on the GPU using compressed air. Also, remove the graphics card and clean it.
- Check for clogs in the radiator and remove them using mild pressure.
- Invest in a water cooling system. It’s often worth the expense.
- Check if the GPU has a defective fan or fan controller. You should do a complete fan replacement in this case.
- Lessen the number of applications that have access to the graphic card.
If even after airing out the laptop vents the laptop continues to heat up, this may be due to the temperature of the surroundings where the laptop is being used. Warmer temperatures play a hand in the heating up of a laptop.
Underperforming Heat Sink
If the heat sink of the CPU of the laptop dislodges, it will not be able to adequately cool the laptop.
How to Test the Internal Temperature of Your Laptop
If your laptop is just plain hot, find out if it’s running too hot by using a free program to check the internal laptop temperature and find its optimal temperature.
Some system information tools support temperature readings too. Maintaining one of those programs on your computer offers the added benefit of letting you check up other stats about your computer and not just the temperature of the internal components.
What Makes Your Laptop Overheat?
Well, there is a simple reason that makes your laptop overheat – insufficient cooling. In sharp contrast to the desktop computers, laptops do not have a cooling system as efficient. This has more to do with the size of the laptops that prevents providing equivalent cooling systems.
Apart from that, an inefficient maintenance can also be a reason for the overheating issue on a laptop. There may be dust that blocks the vents or a blocked fan may also be one of the reasons that would force your laptop face issues. The thermal grease between the heat sink and the CPU may also have degenerated in many cases.
Most of the fixes may involve opening the laptop and performing a few corrective actions. We would advise you to proceed only if you have requisite skills or the tools to perform these repairs yourself. Otherwise, it may be a good idea to opt for a qualified service professional.
Having said that, here we go with the fixes:
Check the airflow around your laptop
One common cause of overheating is fans being blocked because you’ve put your laptop on something soft – like a duvet – or they can’t expel air because the vents are blocked with dust and dirt. To help prevent this, take a look at your laptop and see where the fans are situated. Thinner models often have them near the hinge for the display, but you’ll also find them on the flanks and sometimes underneath the chassis. If you’re unsure, just wait until you hear them begin to spin, then run your hand around the body and see where you can feel a slight breeze.
You’ll want to make sure that the airflow for the fans is clear, and that there’s space for the hot air to be expelled. So, don’t have the machine too close to items such as books, papers, or partitions that would block the air from moving.
If you use your laptop on your lap, then it could be that the softer material of your clothes, blankets or pillows that you rest it upon could be smothering the vents and stopping air from leaving the device. In these cases, it would be good to either move to a table or desk, but you can also use dedicated laptop rests such as the Huanuo laptop stand (£24.99/$32) that sit across your lap or ones with short legs like the act as mini-desks when you’re in bed, as with the Wa-Very Laptop Bed Tray (£21.99/$27.99).
Should it be that your laptop is old and just struggling to keep up with the jobs you’re asking it to do, adding a cooling stand like the TECKNET Quiet Laptop Cooler (£21.99/$27.99) could at least help it stay at a safer temperature.
How do I know if my laptop is overheating?
The temperature of a laptop isn't supposed to exceed 95 degrees Fahrenheit, according to Hampshire College. So when you feel it getting hot, act quickly. If you don't, your computer may not only suffer permanent damage but also start a fire or burn you.
Other signs of overheating include the following:
- Your laptop takes longer than usual to perform basic tasks.
- Applications and programs freeze.
- Laptop accessories like your mouse or keyboard stop responding.
- Your laptop suddenly shuts down and fails to turn back on for several minutes.
- Unexpected error messages appear warning that the laptop is overheating.
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Why is my laptop fan so loud?
A loud laptop fan is a sign your machine is going into overdrive trying to cool down. The causes can vary – it could be due to a build-up of dust in the fan, or it could be due to the air vents being covered, like if you have your laptop sitting on your lap or a soft surface like your bed. It could also simply be due to how you're using your computer. If you have software that's constantly running in the background or software that draws a lot of your system's energy, like a video game or video editing software, that could also cause fans to start spinning loudly.
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