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<v Instructor>In this lesson,</v>

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we are going to talk about cooling options

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inside your BIOS and UEFI.

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Now I know this sounds a little weird

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to be talking about cooling inside the BIOS and UEFI,

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but again, your BIOS and UEFI

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can control pretty much everything

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that your motherboard has, including its fans.

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So one of the things you're going to see inside

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of your BIOS or UEFI is the ability to configure your fans

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and how they're going to operate.

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This includes both your case fans,

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as well as your processor fan.

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When you look at your fans,

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there's going to be some basic settings

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that you're going to be able to do,

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including setting up either quiet mode,

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balance mode or cool mode.

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Now when you're using quiet mode,

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this is going to reduce your fan speed

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and allows higher temperatures to occur,

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but this will make it quieter for your overall system.

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Now I wouldn't recommend doing this a lot,

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especially if you have a high performance system,

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because you could overheat your components

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if you're running it in quieter mode all the time,

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but it is a consideration and something you may do

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if you're using a low power system

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that doesn't generate nearly as much heat.

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Another setting we have is known as balance mode

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and balance mode is pretty much the normal setting

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on most computers by default.

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Essentially, this is a good mixture

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and being a balance between working your fans

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very hard to keep your temperatures down

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and working your fans less to keep your system quiet

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even though there might be higher temperatures.

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Balance is essentially the normal operation

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for your fans running at normal speeds

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trying to maintain normal system temperatures.

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And then we have cool mode.

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In cool mode, we're going to be able to run our fans harder

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and faster to create more airflow.

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This will be noisier,

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but it will get temperatures lower inside of your system.

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This is very useful

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if you're going to be overclocking your processor

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because when you overclock a processor,

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you will generate excess heat,

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and so, putting your fans into cool mode

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can help dissipate all that extra heat for you.

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Now in addition to these three basic modes

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of quiet, balanced and cool,

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you may also have options

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for things like fanless or custom.

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Now fanless mode means you're telling your motherboard

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you're not going to be turning the fans at all.

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You wouldn't want to do this normally

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unless you've replaced your fans and cooling system

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with something like a liquid cooled variant,

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in which case,

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the motherboard won't be controlling the fans,

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and instead, you'll be using the liquid cooling system

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to be able to cool down your system.

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The other option there is custom

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and custom allows you to go outside

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of the three pre-configured sets

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of quiet, balanced and cool and create your own.

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So maybe you want it to be a little bit more than balanced

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but less than cool.

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This would allow you to do that

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by creating a custom setting of your own.

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Now in addition to saying these basic settings and profiles,

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some systems will allow you to get very specific

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in your fan settings,

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including how much power you're going to send to each fan

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and how fast you want those fans to spin in terms of RPMs.

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If you have a system that supports this,

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you can really get customized

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with how fast you want those fans to run

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or you can configure it based on temperature.

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That's right, your motherboard also has

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some temperature sensors that are built in

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and this allows you to figure out how hot the processor is

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or how hot the motherboard is

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and then run your fans based on that

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to keep a consistent temperature.

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So for example, once you set the temperature

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to a certain level,

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if the temperature starts rising in the case,

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the fans will speed up

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to be able to bring that temperature back down

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by getting that heat dissipated out of the system.

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On the other hand,

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if the temperature is lower than your set point,

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it will actually turn off or slow down the fans

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so it'll allow the system to rise in temperature

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and that will reduce your amount of power being consumed

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by the fans, as well as the amount of air flow and noise

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that is being generated by them as well.

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So keep this in mind when you're dealing

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with your BIOS and UEFI.

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You have the ability to see your fans

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and what they're doing in the system,

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as well as configuring how you want them to operate.

