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Welcome to my basic guide of pc repair .one of the biggest problems in around 20 to 25 of pcs and laptops is over heating or random shutdown . heres my guide to helping solve that problem .

Steps :

1. Try to figure out what is causing the heat issue. This is often caused by bad air circulation or a blocked heat sink .
   1. Try spraying out the area. The easiest method to repair this fault is to buy a can of compressed air. In these days of computers, you can find them almost anywhere.
      • It's easier to clean a heat sink on a desktop PC than it is to clean on a laptop, but don't worry you will be able to find a tutorial on how to get at the heat sink on even the most complicated laptop. If you find the tutorial for a model a number up or a model down and can't find your model. At least take look at it. Heats sinks and the way pc are laid out can be very different . You might have to unplug certain cables or remove components to get at the heat sink .So a visual record always comes in handy . that's where a camera comes in handy take a few snaps of the component or cable so if you get stuck you can look at the photo to help you put it back in position unscrew the cooling fan from the top of the cpu . Its normally held in place by for positive screwdriver screws remove the small fan plug from the motherboard . Unclip the heatsink clip to remove the heatsink . some are very different if you get stuck type the model of your motherboard into a search engine along with ( how to remove heat sink )the model is nearly always printed on the motherboard . Often in the middle . represented by letters numbers or a mixture of both . I must stress your computer must be unplugged to do this even if its not working .Never use magnetized screw divers as this can cause major pc faults . After unclipping the heat sink clip never pull on the heat sink as the cpu and heatsink may be fastened together by the heat sink paste . Some times unlocking the cpu of the motherboard by releasing the cpu socket locking mechanism its often a small lever next to the cpu socket . That lifts up to release the cpu . after doing that gently pick up the square heatsink being careful if the cpu is a attached that it doesn't fall of as dropping it could damage it severely . Gently try to separate the cpu from the heatsink . If there really stuck together i would use a credit card type card to separate them . But remember don't damage the cpu if you cant separate them . i would personally use the air directly on the heatsink . it only takes a few good quirts to clean a blockage . but if its persistent allow a few seconds before repeating the step . Attach the heatsink back if you separated the sink and cpu . Clean of any residual paste put the cpu in the socket clean the heat sink with the compressed air until its clean . Then apply a small amount of paste to the top of the cpu then put the heatsink in place . It never takes a lot of paste as to much paste can cause over heating in its self. clip the clip back on place the fan back on and plug it back into the motherboard . If you don,t do this your pc will shut off . Make sure there are no stray wires or plugs near the fan a they can get jammed . also using a cable tie ti tidy up loose wires will increase air flow in the case . allowing the cpu to cool easier . make sure anything that was unplugged or removed to access the cpu is put back in place . Put the side back on the pc then test your computer .

• Turn off and unplug your computer
• Be careful around the computer and don't drop anything on it
• Be sure that your tools are demagnetized
• Use an antistatic write band.
• Watch out for sharp edges.

• A can of compressed air
• A small positive screw driver
• A medium flat head screw diver
• May need to replace the heat sink paste (obtain from most pc stores)
• A couple of cable ties.