High CPU Usage (and fan noise) Drop Drastically on Opening Task Manager

[1Susie]

I am using Windows 10 in ASUS ZenBook UX305. The fan of my laptop runs quite loud in general but it drops down drastically every time I open the task manager. The sudden drop in CPU usage can be seen immediately after opening the task manager. I have run Malwarebytes and Eset online scan and quarantined the threats found. But the suspicious behaviour of CPU usage has not changed. Please help.

 

[The Paladin]

I would run hwinfo software and see what is the temperature of your cpu

 

[1Susie]

Thanks for your suggestion. After debugging my laptop with quite many anti-malwares, anti-spywares and a few anti-viruses, I downloaded a software to observe the CPU temperature. It turned out that the sudden drop in CPU usage right after opening the task manager is only because of the momentary spike in CPU usage for opening the task manager, no other reason.

As for the sound of the fan, after debugging my computer, now its sound remains consistent even after opening the task manager. Even at CPU usage around 10%, it continues to stay loud, at least by my definition of "loud". For this reason, now I'm trying ​​to find a fanless model to buy.