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Laptop CPU Still Overheats After New Thermal Paste/Fan Check

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#1 mranonymous


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Posted 24 November 2014 - 09:22 PM

Hi all:
I've got an HP Pavilion DV7 Laptop. It's the Intel i5 version.
The laptop has always overheated when not ventilated, which is common of course.
However, recently it began overheating immediately. I turn the laptop on, and about 20 seconds after I open an internet browser, or any program, it overheats and screen blacks out.
It seems as if ANY program is simply putting too much stress on the CPU.
I installed a CPU Temp program which confirms my CPU is quickly reaching temps of 105+
After some research, I opened up the laptop to check the fan. I got a bit of small dust out. The fan works perfectly though, and there was not much dust at all.
While the laptop was open, I also re-applied some new thermal compound to the CPU and GPU. I did this carefully and followed along to a video.
Now, the computer seems SLIGHTLY better. But it still overheats within 5 minutes or so of turning it on, after I open up a program or browser.
Since it does not appear to be the fan, or the thermal compound, what can this be??
I need help badly...I have searched the internet and have not had luck. Please help...much appreciated.

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#2 Citizen_WD


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Posted 25 November 2014 - 06:25 AM

Are you sure that you hear and feel the cooling fan running? 
I see you've already tried the most common solutions, but you may also want to consider other options. A failing adapter can cause overheating or shutdown in some cases. In such situation not enough power can be delivered to the hardware, causing unstable voltages and blackout. You’ll need a multimeter to check. If you have adapter available you can try and see if the problem persists.  
Take a look at the task manager to see if something happens there before shutdown, check if the CPU is being overloaded but a certain process.
You can try a laptop cooling platform, although in your case I suspect it would be a temporary solution. 
Hope this was helpful, Citizen_WD

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