PC doesn’t turn on after overheating? Here’s what you should do

By: Aleksandar Ognjanovic
3 minute read
pc won't turn on after overheating

Overheating is one of the issues that can’t be overlooked. It all starts with rare shutdowns but, the regular high working temperatures will, over time, take a toll on both your PC performance and hardware parts.

And, when that happens, your computer just won’t start for a variety of reasons. That’s the worst case scenario you’ll be dealing with right there.

There’s only so much we can advise you to do when something like this occurs, but we made sure to compile the list of possible ways you can resolve this issue. Moreover, we added some extra procedures for you to ensure that overheating won’t occur anymore. Make sure to check them out down below.

PC overheated and won’t start: explanation and how to make it work again

  1. Wait for the cooldown
  2. Software tweaking with SpeedFan
  3. Hardware

Solution 1 – Wait for the cooldown

For starters, you should wait for some time and try again. Most of the time, it’s hard for constant exposure to high temperatures to damage your PC.

Basically, your motherboard is programmed to shut down in case of abnormally high CPU or GPU temperature as a precaution measure. With that in mind, there’s a cooldown period after which your PC will start normally.

On the other hand, if you’re still unable to start your PC after, let’s say, 15 minutes or so, we are sad to inform you some part of the hardware is probably fatally damaged.

Our guess is that motherboard, GPU or CPU are critically affected by the constant exposure to high temperatures. In this case, there’s nothing else you can do but to contact your service and replace the affected components.


Solution 2 – Software tweaking with SpeedFan

There are two ways to protect and upkeep your PC in regards to high temperatures. Firstly, let’s take a look at software part. Most PCs will track temperature and regulate coolers on their own, but you can boost them manually, as well.

By using a third-party software you can manipulate fans and monitor temperatures on both your PC and laptop. And, by adding an extra power to coolers, avoid the overheating issue.

The first program that crosses our mind is highly-regarded SpeedFan.

SpeedFan is a nifty and small tool that grants you total control over your cooling system. With it, you’ll be able to regulate fans speed manually or use the advanced automatized feature and let it work its magic.

You can download SpeedFan for free by following this link. And if you’re not satisfied with what it has to offer, make sure to check this article for viable alternatives.pc won't turn on after overheating


Solution 3 – Hardware

Now, let’s move to a hardware part and give you an insight on that, too. Extra coolers are always welcomed. Most of the time, your PC configuration comes with CPU, power supply, and GPU coolers respectively.

But, as you can see for yourself by a simple glimpse on the back side of the computer case, there are empty compartments for extra coolers. If you’re an avid gamer, make sure to add some of those in order to reduce heating substantially.

Moreover, you should probably change your thermal paste. This gum-like grease has an important role in keeping the heat flowing from the heat source (CPU) through the heat sink.

Over time, it will lose its original state and won’t provide your CPU with needed protection. So, make sure to change it and look for improvements. If you’re not sure how to do it, inform yourself in order to avoid additional issues.pc won't turn on after overheating

That should do it. Don’t forget to post your questions or suggestions in the comments section below. We’ll be glad to hear from you.

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