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What causes a cpu to run at 100%

By kesler
Jan 3, 2008
  1. My cpu runs at 100%. It runs well. Will this hurt it?
     
  2. Cinders

    Cinders TechSpot Chancellor Posts: 872   +12

    Your CPU is designed to run at 100% so running it at that pace shouldn't hurt it. What program are you running to make your CPU work that hard?
     
  3. Eddie_42

    Eddie_42 TS Rookie Posts: 173

    it not entirely bad, however they do have a 'life' and working it that hard will shorten it dramatically. What CPU are you running, and like cinders asked, what are you doing that taxes it so hard?
     
  4. ShipMaster

    ShipMaster TS Rookie Posts: 70

    How many processes are you running?
     
  5. Cinders

    Cinders TechSpot Chancellor Posts: 872   +12

    I think what Eddie and I are trying to figure out is does your processor run at 100% all the time. If it does you may have a malware infection or a glitch of some sort, and that would need to be taken care of to protect your privacy and financial health and/or to free up your computer to work on those programs you'd normally run. I've had computers run at 100% for months at a time with no ill effects, but I had Seti@home in place to use all of the processors free compute cycles to look for radio signals from extra terrestrials, so a processor running at 100% was normal for those computers.
     
  6. kesler

    kesler TS Enthusiast Topic Starter Posts: 54

    It is a brand new amd a/64 le1600 am2 low wattage 45 watts. Thers are only a few programs running avgspyware zonealarm, however it was doing this before I installed them. The temps are good.
     
  7. kesler

    kesler TS Enthusiast Topic Starter Posts: 54

    New amd athlon 64 le1600 45wtt Running 100%

    New amd athlon 64 le1600 45wtt Running 100%
     
  8. Tedster

    Tedster Techspot old timer..... Posts: 6,000   +15

  9. kesler

    kesler TS Enthusiast Topic Starter Posts: 54

    Thanks, I will get rid of the only programs on it. It is not running slow at all.
     
  10. kesler

    kesler TS Enthusiast Topic Starter Posts: 54

    CPU running 100% question

    I went in to task manager and the only cpu usage was system, I ended it and now the cpu is fine and the only big usage running is system idle. What is the reason for this? If I do a restart I have to go in and end system again to get the cpu usage correct.
     
  11. Grafficks

    Grafficks TS Rookie Posts: 302

    "System Idle" in the task manager is fine. It measures the amount % of available CPU processing power.
    "System" however is actual CPU usage and slows down the machine when it has a high reading.
     
  12. kesler

    kesler TS Enthusiast Topic Starter Posts: 54

    So where does system come from? When it is active is when my cpu shows 100% usage and when I end it my cpu usage is good.
     
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