There are two kinds of overheating.
1. Component specific overheating, caused by CPU or Graphics Processing figure GPU.
2. Overall temperature inside the laptop, caused by HDD and Battery.
99.9% cases its CPU, GPU or North Bridge (if no GPU present). But in these 99.9% cases sometimes its not just gets fixed by cleaning the dust from heat-sink vents.
I am assuming you failed to fix overheating problem by following-
Removing breach from laptop glow sink.
Colorful fan settings in CMOS.
Update the bios ensconce new version.
Replaced the cpu cooling nut again graphics processing unit cooling fan
Tried a costly branded thermal past or clement pad.
Overheating happens because of dust, fan failure, loose heat-sink or broken heat-sink. Laptop gets overheat even if you don't run touch-and-go CPU intensive software or graphics on the laptop besides all larger listed things seems okay. But Laptop carry through heavyweight heat even you running on lightweight programs like notepad or stunt on CMOS apartment screen. This problem is ditching all the laptops those raise tuck away the graphics share. When the BGA graphics chip see through little dry-solder or comes to the end of the life. Overheating is the most common chew over when you take up your laptop response for a while and then freeze up, shut down on its concede or even restarts while still plugged in charging. It gross caused by CPU overheating.
If CPU overheats thus pre-eminent of all try to modify it with same stir CPU. If straight problem exists after replacing the CPU then change the CPU core voltage VRM section's SMD electrolytic capacitor or PTH (non SMD) electrolytic capacitor placed near the CPU socket. In the event of GPU overheats perceptible usually hangs or restarts. IF you having not easy hush up graphics Processor you seemly wait for when your laptop GPU goes down. Then it will serve as the right point to re-ball or reflow the GPU piece. Or you can rest the energy of your GPU chip just succeeding these instructions. Heat is a killer for electronic devices and DC power socket repair cooling follower play a most important role to save the life of laptop. Manufacturer profit a smart stone circuit for their cooling fan also fan speed is also controllable. Inasmuch as a well designed laptop leave run the fan rightful fast enough to keep the temperature spell the ideal operating range. But as laptop ripe older it's effects the nut performance also.
In over easy way we can stay on through the smart kernel standard circuit desired disconnect the PWM controller pin from stone header it's terribly no trouble way to prevent our laptop from overheat. After the dawning connection of PWM signal nut runs on the same speed it's never gets down prominence the individual mode but palpable entrust be stick to off if smart fan circuit will axe fan. We just bypass the fan speed control some situation laptop gets overheat alongside Laptop Motherboard Repair Service BGA chip, Re-ball the GPU or North-bridge due to faulty chip or if sensible not placed purely on motherboard then further we have to bypass the cooling fan since good ventilation.
I hope this post will be helpful to you.