When your laptop CPU often working under high temperature at 75 degrees, when your laptop fan begin to hum, you must replacement CPU silicone and plus fan grease at this time.

Firstly, prepare some tools . such as a knife, scissors, a screw driver,a toothbrush, toothpicks, cotton wool, wet wipes, grease and AVC silicone compound. Then, you can start.

Remove the main character, laptop fan together with heat sink.

With a knife cut off the rivet points, take care of heat sink.

After a little force on the fan and heat sink separated from.

Remove the laptop fan from fan holder.

Put wet wipes under the heat sink and fan (prevention of dust flying over the house), with a soft brush clean the dust.

Clear the fan holder with toothpick and cotton wool.

Smeared axis of laptop fan with a little grease by toothpick

Also smeared inner wall of laptop fan with grease. Connected to a computer to test the fan is working properly and whether have any problem.

Connected the laptop fan and heat sink with glue.

Clear the aging grease on CPU and heat sink with wet wipes.

Wait for them to dry, and prepare a AVC silicone compound

From the heat sink can be seen the core of CPU. Smeared heat sink with a AVC silicone compound.

Put the heat sink on the CPU lightly, then take heat sink out, wipe unnecessary silicone.

At last, restore the laptop fan to your laptop. Laptop should be switched on about half an hour, the grease will be evenly distributed in the axis fan and the gap in the base.

PS: Grease have a run-in period, so it is a normal phenomenon that the cpu temperature is higher than before replace. Usually 2-3 days to stabilize.

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