Computer Slow?

  1. Check the Windows Task Manager (or Resource Monitor), and sort for high CPU and RAM and Network usage (high fan generally means high CPU).
  2. Maybe disable plugins/addons in the browser?
  3. Vacuum out the dust.
  4. Try booting into Safe Mode?
  5. Restore to Restore Point before it started flaking out?
  6. Install EMET:
  7. Try SpinRite.