cpu usage

In windows7 cpu usage is not often visible in task bar processes

Q：In my windows7 cpu usage is not often visible in task bar processes.Why is this happening? Often when the cpu usage is high, for example, 24% the processes in the task bar do not show as much cpu usage.We can see the cpu usage of each process on the right hand side in the task bar.But i cannot find so much cpu usage there.I wonder if this is because of some virus.I have got an anti virus installed. A:Not virus.If  it`s not a genuine one then the task manager install is...

What is a high CPU usage percentage?

Q：What is a high CPU usage percentage? What would be too high for an extended period of time? I am not completely sure as to what is too much for my computer to handle. I don't have a very powerful laptop, as when I play Madden NFL 07, which is not that intensive of a game for high end computers, my fan is running high and the CPU usage seems to get up to about 70%. A：High is sustained 100%. It should idle around 15%. You can tell because you will lag quite a bit - a sign that your...

What does the cpu usage in performance tab of task manager in windows xp signify?

Q：What does the cpu usage in performance tab of task manager in windows xp signify? When the computer is in idle mode the cpu usage in performance tab of the task in windows xp is sometimes 2% and sometimes 30% . A：It shouldn't be any higher than 2-3%. Do you have anti virus on your computer? If so, it's probably scanning random files, making sure your computer is healthy. If you don't have anti virus, that is a sign of a virus. My CPU also spikes to 30% when Avast scans random...

CPU usage percentage is getting higher than usual

Q：My computer CPU usage percentage is getting higher than usual, how do i lower it? I only have Zune software and Chrome running, the usuage is anywhere from 40-80 percent. its usually only 1-30. would it lower the CPU usage if i added 1 more GB of RAM? it only has 1 GB now. A：RAM is not the answer to CPU usage. (Though adding another GB would probably speed up your response time since your system is probably memory starved. That's when it has to use the much slower hard disk because it...

Expert advise: focus on your high cpu usage

An overloaded CPU can make a PC unbearably slow. If the CPU spikes happen rarely and correct themselves quickly, don't worry about it. But if they keep coming back or don't go away, you have to find out what's wrong and fix it. The most obvious culprit is a virus, spyware, or some other malicious software. Scan your system regularly with a good spy-catching program such as Lavasoft's Ad-Aware or Patrick M. Kolla's Spybot Search & Destroy. They're free, so why not download and use both of...