I'm having a problem with my PC. It's a powerful machine (specs at the bottom) which since about a month ago, started to experience a 2 seconds long lags every now and then. They just happen out of nowhere regardless of what I am doing.
I can call myself a very experienced PC user with command knowledge etc. (only mentioning this so you know that it's not a case of some silly error) but obviously no one knows everything so I was hoping to hear your ideas.
I did a lot of diagnostic tests such as monitoring RAM/CPU usage but nothing suspicious there. Lags also occur with loads resources left.
I boot scanned with Avast - no viruses found
Removed all crap with Spybot Search and Destroy
Cleaned registry and scanned for errors.
Defragmented all discs
Checked for unwanted startup programs - nothing suspicious
All is updated.
Kinda running out of ideas now. Any help/suggestions will be greatly appreciated. I am willing to try anything by now as I am worried that this little problem might be an indication of a more serious issue.
I am using windows 7 Professional 64 bit
Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz
24 Gigs of Ram
NVIDIA GeForce GTX 570
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