Why Is My Computer Running So Hot?

Computer Is Running HotA hot computer can cause a lot of trouble, so if your computer is running hot you need to find out why and fix the problem as fast as possible. If you don’t take care of your computer and let it run hot, it will make your computer’s lifetime shorter or worse, your hardware can be damaged and that can be very expensive. So if your computer case is too hot or your computer is starting to behave strangely, it’s time to take it seriously and begin the troubleshooting process right away.

What Causes A Computer to Heat Up?

The first thing I always check is the CPU fan. If it’s broken or too weak, it’s important to replace it with a new and more powerful cooling fan. The CPU needs to be cool to function properly, and you don’t want to damage the most expensive part in your computer. It’s also a good idea to install a couple of extra computer case fans, to help keep the heat down. If you buy a computer from a store, or use the included fan you get when you buy a CPU, you usually have to replace it because the fans are often too weak.

Another thing that can cause a computer to heat up is dust. If your power supply, motherboard and other hardware parts are covered in dust, it will definitely have an impact on your computer’s temperature. You should clean your computer on a regular basis to prevent this problem from happening. Arm yourself with a can of compressed air and put on an anti-static wrist strap and the cleaning task will be done in no time. Your hardware needs also attention and it’s pretty easy to do hardware maintenance.

To know the exact temperature inside your computer is not easy without any assistance, but there is a great free program that can help you out called HWMonitor. This little program is actually very useful and it measures many things on your computer such as CPU temperature, fan speed, voltages and other hardware temperatures. Even if you don’t have any problems now, it’s a good idea to download HWMonitor, so you can monitor your hardware and react fast if something is unusual.

How To Cool Down A Computer?

There are a couple of things you should think about when it comes to keep your computer cool. Make sure that your computer power supply has enough Watt, because a weak power supply have to work harder and produce more heat. If your computer case is packed with hardware, you should consider investing in a bigger case to help the air circulate easier, and always use some extra fans to keep hard drives and other hardware cool. Replace the CPU fan is it can’t keep your CPU cool enough.

A good CPU temperature is 40ºC (104.00ºF) and you should not start to worry before CPU temperature is +70ºC (158.00ºF). If you keep your computer cool, you increases its lifetime and you will also get a better computer performance. Clean your computer regularly, make sure the fans are ok and monitor your hardware with HWMonitor and you will have control over your computer’s heat.

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3 Responses to Why Is My Computer Running So Hot?

  1. Ronaldo Ferrer April 19, 2013 at 1:34 am #

    This is a very informative post! I have this problem for my laptop. I always detach the battery of my laptop when I’m using it and directly plug the charger to any outlet. After doing this for almost a year, it just shut down especially when it’s so hot. Now, it easily becomes hot when I use it. How can I fix this?
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    • Ludwig April 19, 2013 at 8:46 am #

      Hello Ronaldo. It sounds like you have problems with a hot battery, and the best way to fix this issue is to contact the manufacturer. If your CPU or other hardware is very hot, you can buy a USB powered laptop notebook cooler fan at Amazon or other online store.

  2. Max Arthur November 16, 2013 at 9:03 am #

    My laptop rarely goes in heat.. But when it does, I cool it down with a fan
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