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what causes a laptop to over heat

This is a discussion on what causes a laptop to over heat within the Laptop Support forums, part of the Tech Support Forum category. hi what is the main cause of a over heating laptop when the dust has been cleaned out and the


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Old 08-21-2012, 05:46 AM   #1
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hi what is the main cause of a over heating laptop when the dust has been cleaned out and the thermal compound has been renewed

we have a hp g60-214em that is causing an issue the temps when idle are a little high at 60*c and when running at 20% cpu max usage when running 100% the temps are about 80*c idle, both reach above 100*c and the fan in constantly running on high when browsing the web as temps on 20% are stable at 70-73*c playing facebook games

is this a board, chip or just the heatsink and fan issue ?

are their aftermarket heatsinks and fans available for laptops or is it just the ones that are supplied with the laptop from factory

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Old 08-21-2012, 08:36 AM   #2
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Where are you getting your temp readings from?

60c, 70c and 73c when just online is about normal.
What is reaching 100c? That is a little high.

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Old 08-21-2012, 09:28 AM   #3
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What type of surface do you keep the laptop on? Generally you should keep it on a hard surface allowing good airflow underneath the laptop. If you have it on a cloth surface then you will be covering the air vents which will cause the laptop to over heat.
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Old 08-21-2012, 10:08 AM   #4
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using hardware monitor to check the temps i have read 100*c is max for this cpu

the laptop is on a wooden table

if i run windows index rating the temps rise to 103*c on 20% usage if i leave it on 100% it rises to 106* and subsequently shuts down

if the cpu is set to 100% usage then opening firefox or chrome make the temp hit 100*c

is their any way to check the core voltage of the chip as my bios does not seem to have the monitor option to see if it is putting too much voltage into it (althou i did reset bios)

i have also thought about getting some T.I.M to sit on the gpu and cpu as they share the same heat sink and fan, i noticed the copper on the heatsink had some gaps in between the alloy and copper would this cause any issues

i thought hw monitor shows the fan speed but i dont seem to be able to see it

is their a better system to use that will show me all the info in 1 screen
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Old 08-21-2012, 12:06 PM   #5
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Is the CPU always running at max? If no then what makes it run to max?

What is it's idle temp?
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Old 08-21-2012, 06:28 PM   #6
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Quote:
Originally Posted by Masterchiefxx17 View Post
Is the CPU always running at max? If no then what makes it run to max?

What is it's idle temp?
the idle temp is about 80*c when i have set the maximum cpu usage to 100% in power options

if i set the max to 20% then the idle temps are arround 60*c

their is no abnormal cpu usage that i can see in task manager and this is on a clean os install and when i dint hit the net i still get the same temps
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Old 08-21-2012, 07:14 PM   #7
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From what your telling me the computer seems normal. Besides you trying to stress test your laptop is there anything else that makes it go to 100c?
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Old 08-21-2012, 08:26 PM   #8
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i think we are getting mistaken by what i mean 100%

i go into to the power options and only allow the cpu to use 20% max of its processing power

if i leave the cpu at 100% available to use then download updates will over heat the cpu to 106*c and the laptop will shut down, at 20% max usage the temps are a little better with temps hitting 76* under load

bear in mind i am manually throttling back the cpu to control temps (at least thats what should be going on from the power options i have set)

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