BrowserĮven the browser can cause high CPU usage if: These are often invisible and heavily utilize the CPU. If a system becomes extremely slow with a CPU usage of nearly 100%-but with no clear cause-the problem may be a virus or malware.

Too many background processes running simultaneously on a computer consume CPU resources and unnecessarily cause high CPU usage. Autostart programs and background processesĪutostart programs are applications that are launched automatically when booting the operating system and they continue to run in the background. If the idle process is taking up to 99% of the CPU's power, it means only 1% is being used to run actual tasks.Ģ. This process appears to show high CPU usage, but it actually indicates the percentage of CPU capacity not being used. If a system is idle, the OS creates a process called the System Idle Process to prevent the system from shutting off.

Higher than average CPU usage can often be attributed to one of the following causes: 1. Since high CPU utilization indicates poor system performance, it should be avoided.

Ubuntu check cpu and memory usage