Computer cooling problems
Why is my laptop overheating and running slow?This is one of the most common questions we get asked and here's a full simple explanation in plain English.
Your laptop processor (CPU) and graphics card (GPU), generate a lot of heat, especially top of the line performance and gaming laptos, like Alienware, ASUS ROG, or MSI.
This is why a laptop has to have it's own cooling system, which consists of a heatsink and a fan.
A simple common laptop cooling system
A gaming computer's cooling system
A complex cooling system
What is the most common cause of a cooling system fail?
The most common cause is very simple. Your cooling system as any other system with a fan, drives a lot of air that contains dust and other particles, through a heat sink, that is basically a fine-ribbed radiator.
The dust and all other particles start sticking to the walls of the heat sink, slowly clogging up the airflow supposed drive the heat out of the laptop.
It can get to a point, where there is zero air flowing through the heat sink, causing the laptop to overheat.
A couple of cases of clogged up cooling systems:
The cooling system clogging up, is the single BIGGEST KILLER OF LAPTOPS!
The second problem with a laptop cooling system failing, is a cooling fan that has partially, or totally seized up.
In both of these cases, the whole problem can be fixed by a full hardware system service.
Be aware of your laptop repair "expert" that will be executing the service, will actually dismantle the cooling system (for which to do so on most models the whole motherboard has to be extracted from the laptop, as the cooling system is mounted on the bottom of it.
Some "cowboys" will try to take a shortcut (which they think will work), by blowing compressed air into the heat sink from the outside through the heat sink grill, which seams as a good idea, but trust me, after 20 years of laptop repair experience, IT IS NOT!
The reason is simple, just check out what happens when this is attempted:
Yes the fluff collected and clogging up the heat sink is blown into the fan, blocking it from spinning, in some cases, as in this one, it even broke a couple of the fan blades.
Make sure you ask your repairer, how is he actually going to execute the service.
If you do not get the correct answer, turn around and.....RUN!
For this reason ALWAYS get your laptop serviced by a reputable repairer at least once a year!
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