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  1. #1
    The quieter you become... Falkon's Avatar
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    Can't get CPU temp down

    On my desktop PC, it's idling in the bios at 73C. Once I boot into linux, it's already throttling my CPU due to heat. Windows works the same way. I tried applying new heat sink compound and sticking a large fan on the side of my computer. I'm thinking I'll go get another compound tomorrow and try that. The case has plenty of fans.

    Here are the specs:
    P4 3.6GHz
    Intel heatsink with fan
    Cooler Master case with plenty of fans

    I really just can't get the temp down, and I can't play any games like this at all.

    Any ideas?
    Quote Originally Posted by TechKnowGN
    San Jose has to be the most boring place I've ever been. And I live in Ohio.

  2. #2
    Pwnerer Wordbiker's Avatar
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    Quote Originally Posted by Falkon View Post
    Any ideas?
    Quote Originally Posted by ahsposo View Post
    Ski, bike and wish I was gay.

  3. #3
    The quieter you become... Falkon's Avatar
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    already tried that one. Maybe I should cover it in toothpaste.
    Quote Originally Posted by TechKnowGN
    San Jose has to be the most boring place I've ever been. And I live in Ohio.

  4. #4
    Senior Member Caspar_s's Avatar
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    How is the actual heatsink? Make sure it isn't gunked up with dust. Remove the fan and check the fins and have you made sure the fan is actually working? Maybe buy better fan/heatsink?

    I have a new 12cm fan on my cpu - runs at 33C

  5. #5
    Pretty Hate Machine Weeks's Avatar
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    Liquid cooling looks awesome.

  6. #6
    Pwnerer Wordbiker's Avatar
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    What paste did you use?

    Many require a long time to set. I use Arctic Silver ceramic because it sets quickly. Too much paste can also cause heat issues.
    Quote Originally Posted by ahsposo View Post
    Ski, bike and wish I was gay.

  7. #7
    phony collective progress x136's Avatar
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    Cap'n, she needs more heatsink!


  8. #8
    somewhere in the ether spoketacular's Avatar
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    Stick it inside a minifridge turned all the way up. That might work.
    You rise, you fall, you down, then you rise again
    What don't kill you make you more strong
    You rise, you fall, you down, then you rise again
    What don't kill you make you more strong

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  9. #9
    AEO
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    dust? one leg on the heatsink loose?
    heatsink sitting on capacitor instead of CPU?
    too much thermal paste?

    I remember the intel heatsinks having poor plastic legs for the mounting and the after market heatsinks would sometimes sit on the capacitors.
    Food for thought: if you aren't dead by 2050, you and your entire family will be within a few years from starvation. Now that is a cruel gift to leave for your offspring. ;)
    http://sanfrancisco.ibtimes.com/arti...ger-photos.htm

  10. #10
    The quieter you become... Falkon's Avatar
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    blew all the dust out. It's still possible that one of the legs where it pushes through the motherboard isn't letting it sit properly.

    Another thing is that I can't find a 3.6GHz P4 on the intel site. This thing might be overclocked, since I got the motherboard/proc used a while ago.
    N/M, it's a P4 660. They made those in 3.6GHz.

    Damn damn damn
    Last edited by Falkon; 05-15-08 at 12:29 AM.
    Quote Originally Posted by TechKnowGN
    San Jose has to be the most boring place I've ever been. And I live in Ohio.

  11. #11
    The quieter you become... Falkon's Avatar
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    I just bought a BIG ASS HEATSINK. I know the P4 runs hot, so I probably really needed it to begin with. If this BIG ASS HEATSINK doesn't work, then I'm out of options.
    Quote Originally Posted by TechKnowGN
    San Jose has to be the most boring place I've ever been. And I live in Ohio.

  12. #12
    Body By Nintendo Psydotek's Avatar
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    It's also possible that the BIOS is reading the wrong sensor and thinking it's the CPU...

    Quote Originally Posted by jsharr View Post
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  13. #13
    You Know!? For Kids! jsharr's Avatar
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    Heck I did not even know that computers had rectums.





    wait for it.
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    Quote Originally Posted by colorider View Post
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  14. #14
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    Water cooling? I've never messed with it, because I fear that one crack in a hose and there goes the system, but I've heard of people swear by how a water-cooled CPU sink can keep the thing under 38 degrees (C) no matter what they do on the CPU.

  15. #15
    Senior Member shoerhino's Avatar
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    Make sure that you use a thin layer of thermal paste when you mount the heatsink. I like the arctic silver instructions.

    The prescott line of processors did run hot. I'm not sure if yours is a prescott but it seems likely. One of the best heat sinks you can use is the tuniq tower. If that can't keep your system cool, nothing except water cool can!

  16. #16
    2-Cyl, 1/2 HP @ 90 RPM slvoid's Avatar
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    You need one of these:


    Along with a 6000rpm fan.

  17. #17
    AEO
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    Quote Originally Posted by mlts22 View Post
    Water cooling? I've never messed with it, because I fear that one crack in a hose and there goes the system, but I've heard of people swear by how a water-cooled CPU sink can keep the thing under 38 degrees (C) no matter what they do on the CPU.
    only if you cool a Pentium D/E type, those leak so much heat you'd think an incandescent bulb was more efficient. Even then, water cooling on D/E would only get you average 40~45c idle

    not worth the time and money for current processors. Overkill for C2D and Athlon X2. I think the water cooling on my X2 is overkill.
    Food for thought: if you aren't dead by 2050, you and your entire family will be within a few years from starvation. Now that is a cruel gift to leave for your offspring. ;)
    http://sanfrancisco.ibtimes.com/arti...ger-photos.htm

  18. #18
    Dude wheres my guads? skinnyone's Avatar
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    Where is the processor in relation to the fans.. Height wise?

    Check to see that there is an open convection path from the processor to the fan.
    Last edited by skinnyone; 05-15-08 at 08:40 PM.

  19. #19
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    Quote Originally Posted by shoerhino View Post
    Make sure that you use a thin layer of thermal paste when you mount the heatsink. I like the arctic silver instructions.

    The prescott line of processors did run hot. I'm not sure if yours is a prescott but it seems likely. One of the best heat sinks you can use is the tuniq tower. If that can't keep your system cool, nothing except water cool can!
    The strange thing is the heat sink I plopped on the Core 2 Duo chip I bought last week when building a server had no heat sink grease with it, nor instructions to put any one... just drop the chip in, close the frame around it, jam the heat sink on the chip, and mash the four corner fasteners down. However, it seems to be working... the CPU is at about 38 degrees (C) however the CPU is pretty much idle other than for I/O operations.

  20. #20
    phony collective progress x136's Avatar
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    Using the stock fan with the crappy stock thermal paste (tape, really), my Athlon 64 X2 idles at about 30-35 degrees (up to 60C under heavy load). Only reason I didn't use some Arctic Silver was that I was too lazy to clean off the stock stuff. I'm planning to eventually replace it with the largest fanless heatsink I can find, so I'll Arctic Silver it then.

  21. #21
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    Quote Originally Posted by x136 View Post
    Using the stock fan with the crappy stock thermal paste (tape, really), my Athlon 64 X2 idles at about 30-35 degrees (up to 60C under heavy load). Only reason I didn't use some Arctic Silver was that I was too lazy to clean off the stock stuff. I'm planning to eventually replace it with the largest fanless heatsink I can find, so I'll Arctic Silver it then.
    Is there any real difference in cooling between Athlon 64s and Core 2 Duo/Quads? To me, if the chip supports the critical instructions (virtualization, etc), I don't care if its Intel or AMD.

  22. #22
    Banned. timmyquest's Avatar
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    If the stock HSF isn't cooling it and it's probably installed with a proper application of heat paste...something is wrong.

  23. #23
    phony collective progress x136's Avatar
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    Quote Originally Posted by mlts22 View Post
    Is there any real difference in cooling between Athlon 64s and Core 2 Duo/Quads? To me, if the chip supports the critical instructions (virtualization, etc), I don't care if its Intel or AMD.
    Supposedly Athlons used to be quite a bit less power hungry than Intel chips, but I don't know if this is the case any longer.

  24. #24
    The quieter you become... Falkon's Avatar
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    The heat sink fixed the problem. I went from 60-70C idle to 38C idle. The computer runs much much better now.
    Quote Originally Posted by TechKnowGN
    San Jose has to be the most boring place I've ever been. And I live in Ohio.

  25. #25
    Pretty Hate Machine Weeks's Avatar
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    holy moly, 60-70 C. That's pretty hot. I don't know what's normal for computers though

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