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Practical Tips to Decrease the Temperature of your Computer

One phenomenon can be observed every year when the summer begins. Many users report problems with their computers who behave strangely or even reboot unexpectedly. If you experienced this once you might already know what is causing this behaviour. Pc components become warmer than usual because the air is hotter which can lead to reboots and even damaged components.

You can do a few things that check the temperatures and warn you if it reaches a critical degree. Speedfan is one of that programs that does exactly this. It checks all temperature sensors, most important are the cpu temperature and the hard drive temperature. The tool is also able to manage all fans of your computer, it can throttle them to make them less noisy or speed them up to cool the air in a better way.

The motherboards will have to support this functionality of course, most modern ones should. Lets say all fans are working 100% and your components are still getting to hot. You could start by checking the airflow in your case. Where is the fresh cool air coming in, where is the warm air going out. Are all components in the flow or is it missing some ?

If you are using a standard cpu cooler you should think about adding a more powerful cooler to your system. Regular coolers are great for normal use and temperatures that stay in their limits but fail when some variables change to the extreme.

Another easy trick would be to take a normal fan, open your case and direct that normal fan towards your case. This should cool everything sufficiently. An open case leads to more dust inside the computer, make sure you clean the dust regulary.

You could also check the fans and clean them. Especially useful if you are a smoker.

Cables tend to block the airflow, use cable ties to tie them together and put them out of the way of the flow.

Do you have additional tips that keep your computer from overheating ? Let me know.

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About the Author:Martin Brinkmann is a journalist from Germany who founded Ghacks Technology News Back in 2005. He is passionate about all things tech and knows the Internet and computers like the back of his hand. You can follow Martin on Facebook or Twitter.

Author: , Sunday July 23, 2006 -
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Responses so far:

  1. Max says:

    Is this program (Speedfan) also going to work on/with laptops?

  2. Martin says:

    I don´t see a reason why it should not be working with laptops, it depends on the chipsets of the motherboards and the hard drives if they have a sensor for temperatures or not.

    Try it.

  3. Ruffian says:

    Hm, my PC is noisy as hell because I always keep my case open to avoid overheating. The only problem now is 3 HDDs which are very close to each other and usually heats up to 45 C. When temperature grows up to 50 I take my portable room fan and place it opposite to my HDDs – it helps :)

    • HZ says:

      you should always have your pc case CLOSED to allow for Maximum airflow. Air comes in from Front and Leaves from the Back. if its Open air will come into the case and generally stay there causing heat buildup. ass for the hard drives only have one in the pc and make the others external.

  4. Rick says:

    Lapping your heatsink and using a quality thermal grease will drop cpu temps up to 5°C. It takes a while to get a mirror polish, especially on “rough” sinks, but any/every drop in temp increases the life of your cpu.

    Using a quality thermal compound, properly, will offer temp reductions of a couple degrees, just by itself.

  5. Csabe}{pert says:

    If you did everything and your PC is still overheating try to increase your performance.
    Like:buy some memory,or you haven’t got money
    then you can change the Best look into Best performance,defragment your hard drive,take you’r PC-s case of,clean your fans, check if the air flow is good(I put some holes in the case and from 60c° decreased to 40° -but look out where you put it becuse you cud ruin the air circulation and that wont be useful)
    other tips for more speed :

    (use this for your own responsability)

    start>run, type in system.ini then hit enter
    and you will see something like this in a Notepad:

    ; for 16-bit app support

    [drivers]
    wave=mmdrv.dll
    timer=timer.drv

    [mci]
    [driver32]
    [386enh]
    woafont=dosapp.FON
    EGA80WOA.FON=EGA80WOA.FON
    EGA40WOA.FON=EGA40WOA.FON
    CGA80WOA.FON=CGA80WOA.FON
    CGA40WOA.FON=CGA40WOA.FON

    then under[386enh](the 386 can be other number)
    type in:

    LoadLocalHigh=1
    ConservativeSwaPfileUsage=1

    it shoud look like this:

    ; for 16-bit app support

    [drivers]
    wave=mmdrv.dll
    timer=timer.drv

    [mci]
    [driver32]
    [386enh]
    LoadLocalHigh=1
    ConservativeSwaPfileUsage=1
    woafont=dosapp.FON
    EGA80WOA.FON=EGA80WOA.FON
    EGA40WOA.FON=EGA40WOA.FON
    CGA80WOA.FON=CGA80WOA.FON
    CGA40WOA.FON=CGA40WOA.FON

    after that restart.

    for coments and questions Csabexpert_665@yahoo.com

  6. trsts says:

    my computer video card overheats until it has 107° :S

  7. Mike J says:

    I open up the case & clean fan blades & heat sinks very carefully with a Q-tip ( forgot what the English term is) lightly moistened in alcohol. I also of course clean the vents. I’d advise, don’t keep the PC on the floor, esp. if you have pets.
    I was surprised a couple days ago, peering at the BIOS, to find that heat warning/shutoff was disabled. I have no idea how that happened unless it is default. I redid a Windows install a while back because the fans were kicking into high gear even when the CPU wasn’t stressed ( maintaining the registry the Windows MVPs keep telling us is everlastingly fine, bloated beyond reason??) and a new XP fixed that problem right up.It had been 15 months of hard use since the last re-install.
    I use the desktop in a room sans A/C in Florida, and thus far, no problems.

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