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    Smile CPU temp is negative


    I have an AMD Athlon xp 2000+ pc. The computer keeps restarting so i checked the bios and saw CPU temperature showing -55C/ -131F. Is this a possible reason for the BSOD I keep getting?
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    What is the message on the BSOD?

    It is quite possible that an invalid (unless you're in a freezer) temperature measurement would cause a failsafe to kick in and give you your bsod.
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    i guess your CPU chip is overheating. make sure your heatsink is free from dust and your cpu fan is running correctly according to the specific speed for the CPU chip..
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    If it restarts run a Prime95 test to check for stability. If it crashes you have a cooling problem. Also try CoreTemp which is free.
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    Or the sensor isn't connected properly or gotten loose if you always used to get proper temperature measurements. In this case you want the error code and application name from the BSOD and google for more information on what's causing it.
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    Originally Posted by LDHosting
    Or the sensor isn't connected properly or gotten loose if you always used to get proper temperature measurements. In this case you want the error code and application name from the BSOD and google for more information on what's causing it.
    Broken sensors would not cause BSODs.
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    Unless you're running a phase change/cascade unit you won't hit negatives. Most likely pulling from the wrong probe which is a bit odd. Have you updated your BIOS firmware as of late?
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    if its an old computer, clean it out, see if that helps overheating. as the sensor is, its probably jsut stuck or whatever you're using to read it is not reading the right one.
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    I might be mistaken, but I think some BIOSs report the CPU temperature as negative as it means 'this many degrees until the CPU is running above the maximum temperature', so -55 degrees could mean that the CPU is 55 degrees below its maximum temperature.

    Is the temperature lower upon startup than after the system has been running for a few minutes?
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    This thread is almost a year old.

    Also, I've never heard of a temperature sensor measuring CPU temperature in that way.
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    Originally Posted by E-Oreo
    This thread is almost a year old.
    My bad - I didn't check the date.

    Originally Posted by E-Oreo
    Also, I've never heard of a temperature sensor measuring CPU temperature in that way.
    I haven't got first hand experience of it being measured this way, however I happened to read at http :// www. pugetsystems.com/blog/2009/02/26/intel-core-i7-temperatures/ states the following:

    However, what the CPU sensor reports is not an absolute temperature, but rather how far the temperature is from the maximum safe temperature. So if your CPU’s maximum temperature is 100C, and you’re running at 60C, the sensor will report -40 as its value.
    so thought I'd mention it as a possibility.

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