CPU always running at 90%

Hi Tiagodi,

There are several reasons why computer might perform slowly. It may be because of software or hardware issue. Follow these methods and check if it helps:

Method 1: Run the System Maintenance troubleshooter and check if it helps:

Open the System Maintenance troubleshooter

http://windows.microsoft.com/en-in/windows7/open-the-system-maintenance-troubleshooter

Method 2: Try to restart your computer in Safe mode and check if the problem persists.

If the issue does not persist, I would suggest you to restart the computer to return to normal boot and then run Autoruns by downloading it from the following link:

http://technet.microsoft.com/en-us/sysinternals/bb963902.aspx

Once Autoruns runs in the computer, it will display the CPU usage by exact process names. I would suggest you to reply with the names of the highest CPU consuming processes.

If the situation is same in safe mode, I would suggest you to contact the manufacturer and try to run hardware diagnostics on the computer.

Method 3: Also, I would suggest you to Optimize Windows for better performance and check if it helps:

Optimize Windows for better performance

http://windows.microsoft.com/en-in/windows/optimize-windows-better-performance#optimize-windows-better-performance=windows-7

Antivirus Disclaimer: Any data files that are infected may only be cleaned by deleting the file entirely, which means there is a potential for data loss.

Hope this helps. If you need further assistance with Windows, let us know and we will be glad to help.

Hey I have laptop with 4gb of ram and an intel core duo T6600 @ 2.20GHz  and my processor is always working at either 90% or really close to it, even when im just browsing the internet or listening to music, it's been happening for a few months and all fixes have done nothing, not even formatting, playing games has become impossible, and i mean any kind of game, from league of legends who i was able to run at 60+ fps to counter strike that keeps freezing due to cpu clogging. I need help because the computer is becoming quickly unusable

There are several possibilities, but the most likely is that you are infected with malware.