1)Check for viruses some good free AV programs are Malwarebytes or Comodo.
2) use disk clean up under all programs > accessories > system tools
3) use disk defrag under all programs > accessories > system tools
4) limit what programs run at startup. click start > in the search box type msconfig > startup and disable all programs you do not use often from auto starting when the pc starts.
5) right click your local disk in the computer tab, go to properties > tools and run error checking.
6) check your ram and CPU usage CTRL + ALT + DEL > performance check if your CPU and ram usage are under 80%. High CPU or ram usage can also be signs of a virus, if you have run a virus check and still have high RAM/CPU usage it may be time for a new PC.
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All of these things can cause a slow down in your PC and often it is difficult to pinpoint the problem without testing all of these options in order.
1)Check for viruses some good free AV programs are Malwarebytes or Comodo.
2) use disk clean up under all programs > accessories > system tools
3) use disk defrag under all programs > accessories > system tools
4) limit what programs run at startup. click start > in the search box type msconfig > startup and disable all programs you do not use often from auto starting when the pc starts.
5) right click your local disk in the computer tab, go to properties > tools and run error checking.
6) check your ram and CPU usage CTRL + ALT + DEL > performance check if your CPU and ram usage are under 80%. High CPU or ram usage can also be signs of a virus, if you have run a virus check and still have high RAM/CPU usage it may be time for a new PC.