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A CPU (centralprocessing unit) is thebrain of the computer

It fetches program

instructions from RAM,interprets and processesit and then sends backthe computed results so

that the relevantcomponents can carryout the instructions

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To avoid possible damage brought bytemperature, CPUs, and other componentsthat release heat in general, are highlyrequired to have a cooling system.

The CPU is cooled down through either aheatsink and fan assembly (HSF) or throughliquid cooling. In this lesson we will use the

heatsink and fan assembly to cool down ourCPU.

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Today we will beinstalling anLGA1150 type ofIntel CPU, but this

method can be usedto other types Materials needed:

◦ CPU◦

Motherboard◦ Heatsink and Fan

Assembly◦ Thermal Paste

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1. On your motherboard,push the load lever of

the CPU socket downto unclip it and lift tothe fully openposition.

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2. The load plate willautomatically lift upas the load lever is

pushed to the fullyopen position.NOTE: Do not touchthe socket contacts

or the bottom ofthe CPU. 

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3. Align the notcheswith the socketalignment keys.Lower the CPUstraight down,without tilting orsliding the CPU in thesocket. Inspect the

CPU to check if it isproperly seated in thesocket.

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4. Close and slide the

load plate underthe retention knob.Close and engagethe load lever.

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5. When you pressdown the load leverthe PnP cap willautomatically popup from the CPUsocket. Do notdiscard the PnPcap. Always replace

the PnP cap if theCPU is removedfrom the socket.

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There are differentmethods of applying thethermal paste onto theCPU. But all of these

methods are more or lesshave the same effect onthe temperature. Todaywe will be using the mostcommon method, whichis the middle dot method.

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Place a fair amountof thermal paste tothe center of the

heat spreader of theCPU.

You can tell that youhave applied enoughif the paste on theCPU is rice-sized.

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1. Place the heatsink onthe motherboard withthe fan’s cable facingtowards the fan

connector and thefasteners matchingthe holes on themotherboard. NOTE:Make sure that thenarrow groove ofeach pin is pointingoutward. 

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2. Push down theheatsink until thefour fasteners getwedged into the holes

on the motherboard.Press the fourfasteners down tofasten the heatsink.As each fastenerlocks into position aclick should be heard.

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3. Inspect the

motherboard toensure that thefastener-ends havebeen properly

locked in place

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4. Attach the CPU fancable to the CPU fanconnector on themotherboard

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On your workstation, install an Intel LGA1150CPU and its stock heatsink and fan assemblyon a motherboard.

Acquire the materials from your instructor.

The activity should be finished within a

maximum of 10 minutes.