Laptop Overheating – How to Diagnose and fix it?

Laptop Overheating is the most familiar dilemma to all the laptop owner’s in recent years. Laptops are unfortunately prone to overheating. Unlike desktop PCs, a laptop’s hardware components are all in close proximity to each other with little room for air movement. The current trend towards miniaturization, stuffing faster processors into very small cases, increases the potential of laptops to overheat. There are numerous reason for laptop heating. If you have encountered this kind of problem, then here are the steps to diagnose and deal with Overheat.

laptop overheating

Operating a laptop at very high temperatures lead to failure of hardware components like video cards, motherboards, memory modules, hard drives and more; are susceptible to damage and decreases the lifespan of your computer. Overheating computers cause a lot of problems, from seemingly random blue screens to data loss.

Signs of Laptop Overheating

These are the certain signs which would help you diagnose that your device is overheating or getting there.

  • Fan constantly running and making loud whirring noises.
  • Computer struggling to perform basic tasks like opening a new browser window.
  • Mysterious error messages popping up in random programs on-screen.
  • Lines on your laptop screen (a sign your video card is overheating).
  • System freezing or the dreaded BSOD (blue screen of death)
  • The laptop abruptly shuts down on its own.

Causes of Laptop Overheating

  • Accumulation of dust on the fan blades: The deposition of dust causes jamming and clogging of the fan blades which leads to overheating.
  • Poor Ventilation: A common root of overheating is when air vents is blocked by dust. Laptop needs air vents to cool the heat inside the device.
  • Overkill use of laptops causes it to heat.
  • Gaming causes laptop to over heat.
  • Failure of the internal Hardware parts: The failure of CPU, or the heat sink or any other internal parts can cause heating of the device.
  • Dying Battery: Keeping the laptops plugged in always, will kill the battery. The battery gets charged and starts generating heat.

Procedures to Fix Laptop Overheating

Check for Air Flow and Heat transfer

The first and foremost thing you need to do is check the air flow and figure out where the heat is coming from. No air flow means no heat transfer, so figure out where the air vents are and the air blowing out is hot or is there barely a breeze.

Most commonly, an accumulation of dust in the vents and fans through the cooling channels will be responsible in restricting the air flow. Cleaning it out will be the best solution. Turn your laptop upside-down and look at what you’ve got. Unscrew the fan doors and you should be able to lift out the fan and clean everything with a can of compressed air. If you find that a fan is spinning erratically, you may try lifting the sticker off of the axle and put a drop of mineral oil to keep it going.

Clean the dust under processor and RAM doors too. If persistent overheating prevails, then you need to replace the hardware which has failed.

Charge Battery up to limit

Charge the laptop battery up to limit. Unplug the laptop, when the charging is finished. If the batteries are dead then it needs replacement.

Lighten the Load on CPU

Overheating can also be caused due overloading of CPU. In this case, you need to manage the CPU properly. You can use the Windows Task Manager to see what’s most intensive, then use Autoruns to see all your startup processes and trim them down. You can also change the order of the Start-up processes that are necessary. The staggered loading of software will help balance your processor’s load.

You can install and run Process Explorer to see the files that each process has open and its associated CPU usage over time. This will help you decide what to get rid of and what to spare. Alternatively, you can use CCleaner, which allows you to clean history and cache files as well as manage your Startup applications quickly and easily. You can free up some needed space that way and get a little more efficiency out of your OS.

If you want to keep an eye on the temperature of your laptop, you can use Core Temp for Windows. It’s an extremely light-weight app that won’t pressure your CPU, and also, lets you keep an eye on your internal temperature.

Use of Laptop cooler

To prevent the laptop from overheating you can use laptop cooler. Laptop cooler helps reducing the operating temperature of a laptop. Laptop coolers are intended to protect both the laptop from overheating and the user from suffering heat related discomfort.

Laptops are the delicate devices and needs extra concern to keep running it for long years. If your laptop is overheating, take steps immediately to cool down your laptop and prevent damage from overheating.


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