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How to fix with a loud and noisy fan on a new variant Lenovo laptop S145 even after Windows Update

Lenovo ideapad is one of the very popular types of laptops. Besides being well-known for its durability and reasonable price, Lenovo Ideapad comes with a wide selection of specifications that it carries. Good for everyday standard needs, school assignments, specifications suitable for college, office, to work on Multimedia needs such as editing, with clear sound, until it is used to play games. All types of configurations and options with the above requirements are in Lenovo IP (IdeaPad).



Lenovo S145 is an update series from the previous Lenovo IdeaPad type, the laptop that was produced at the end of 2019 is a replacement for the previous Lenovo types such as: IdeaPad S130, IdeaPad 130, IdeaPad 130s, IdeaPad 120s, IdeaPad 320s, IdeaPad 330s, IdeaPad 330s , IP 320, etc. Therefore of course this Lenovo s145 has advantages that are certainly higher than its previous series both in terms of specifications and features carried.

On this occasion we will discuss the problems that have arisen in the Lenovo IdeaPad S145 and how to overcome them like the series with the AMD Athlon 300U processor, namely:
  • Rotating fan or laptop fan tightly, noisy / noise and does not stop, even though not using a laptop or its program is not a heavy use.
  • This problem appears after Windows or Driver is updated automatically when the laptop is connected to the internet.
  • Already using intelligent cooling mode from Lenovo Vantage but still the fan is spinning very fast even in the condition of the laptop is still the first time it is turned on (still cold).

  • Symptoms like this do not appear when you first use a laptop in a new condition (initial condition of the manufacturer).
Possible causes of problems like this.

At the beginning of searching for this problem on the internet, both from Lenovo forums, documentation, etc. I found the following article on the Lenovo website: The fan is running at a higher speed than expected - Windows - ThinkPad, ThinkCentre, ideapad, ideacentre

Where can I conclude that the factors of this problem are:

High CPU resource usage




If there are programs or services that are using CPU, both programs that are being used, such as Graphic Design Programs, Editing and even games. If the processor usage exceeds 50% of the total power / ability of the processor it will make the processor become hot (work hard). The fan will immediately act to cool the processor so that it stays in the ideal position and temperature and prevents overheating / overheating. You can also see realtime usage of your CPU in Task Manager or by using the Keyboard Shortcut: CTRL + SHIFT + ESC

This factor of excessive CPU usage can be caused by many applications that you use simultaneously, using programs with heavy program categories (high productivity) and can also be caused by Malware, PUP (Potentially Unwanted Programs), even Viruses.

The way we recommend to overcome this is to do a Full Scan with Anti-Virus that already uses the latest definitions / updates. We recommend installing anti-virus such as Avast / KasperSky, updating it and doing a Full Scan.
To eradicate Malware, adware and PUP which can rarely be detected by Anti Virus, you can use the AdwCleaner Program

Air circulation is inhibited in the ventilation holes.

This usually happens on laptops that have been used for a long time with a continuous usage invoice. The fan draws air in from the bottom, cools the processor with the cold wind and is blown out through the air vents on the laptop. If the ventilation is blocked, closed, the heat cannot be discharged and adds a burden to the Fan, and the fan automatically uses extra speed to immediately cool your laptop. From there will emerge a very loud noise coming from inside the laptop.

Friend must clean the dirty air vents by making the bottom of the laptop, and clean the fan & path along the air vents. If necessary, you can also check the presence of thermal paste in the processor, is it still good (not dry) if you need to replace / add the thermal paste.
If your unit is still under warranty, it is better if you do not disassemble the laptop & consult the problem to the nearest Lenovo Service Center, so as not to abort the valid warranty.

Software Error Factors (Thermal Logic, default settings, etc.)

If the two ways above have been done and not produce results, just to the last stage, namely from the Software side error. The cause can be from many things, because the software on the laptop is made from several vendors including: Microsoft as the maker of Windows 10, Intel or AMD as the processor and graphics card maker, and Lenovo as the vendor that assembles and combines supporting components into a laptop.

These three vendors have their respective technological developments and not infrequently due to differences in the software and hardware available on some laptops that are incompatible and cause problems, such as: Laptops not showing (black screen), some features on laptops don't function like brightness , touchpad, and what we're discussing this time is the fan rotates continuously.

Stages: Updating the BIOS and downloading the Power Management Software

You can download the BIOS from Lenovo S145 from Lenovo PC Support > Enter Serial Number Laptop / MTM laptop> Select Driver and Software Tab> Manual Update Tab
Download the two softwares, and install both, by installing the BIOS first.

Important: Before running the program to update the BIOS, make sure that the laptop is plugged in (when positioned on the charger), no programs are being opened. Then run the program that was downloaded earlier. Start with prayer (so the bios update doesn't fail).
Leave all the settings in the default condition (except understand), then click Flash and wait for the bios update process to run by itself.

Updating Windows 10 Systems and Drivers

Update all drivers to the latest version, whether VGA, WIFI, etc. from the pcsupport.lenovo.com website.
Update Windows 10 to the latest version, you can update it from Start> Settings> Update & Security> Check for Update, when it is complete, the information You're up to date will appear.
Done.
If the problem of noisy laptops still occurs, we suggest to directly contact and bring to the nearest Lenovo Service Center in your city / Country.



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