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Windows 7: high CPU temperatures;upto 100 degrees celsius

14 Nov 2013   #1
aaryan

Windows 7 home basic 64bit
 
 
high CPU temperatures;upto 100 degrees celsius

My laptop suffered a hard drive crash last week. I got the HD replaced
earlier it was a toshiba 500gb 5400rpm HD now it is a HGST 750gb 7200rpm.
after i setup the whole laptop properly with all the drivers and all the softwares including basic utilities, anitvirus etc. the fan seems to be running all the time and specially when browsing using chrome it begins to sound very loud which it doesnt used to earlier(before the hard disk crash).

Now to check the CPU temperatures, i downloaded SPECCY.
To my surprise, the MOBOs temperature is way below the normal(thanks to indian winters :P ) but at the same time the CPU temp(all the 4 cores) is showing me 100 degrees celsius, though the base of my laptop is not even close to warm. Even the GPU cores are at normal temperatures.

I have attached two screenshot of SPECCY, indicating high core temps and high bus speed as well and the other showing way too normal temperatures for the MOBO.
I need suggestions whether SPECCY is showing incorrect measurements(which it usually doesnt) or there is some other problem which i should worry about.



configuration:
windows 7 home basic 64 bit
AMD A-8 4500 M
4GB single channel DDR3 RAM
HP184A single socket FT1 motherboard
512MB ATI AMD Radeon HD 7640G + 7670M Dual Graphics (HP)
1024MB ATI AMD Radeon HD 7670M (HP)




Attached Thumbnails
high CPU temperatures;upto 100 degrees celsius-temp.jpg   high CPU temperatures;upto 100 degrees celsius-temp2.jpg  
My System SpecsSystem Spec
.
14 Nov 2013   #2
carwiz

Windows 7 Pro-x64
 
 

Could be that the heatsink was knocked off the processor when the drive was replaced.
My System SpecsSystem Spec
14 Nov 2013   #3
aaryan

Windows 7 home basic 64bit
 
 

Went to the hp service centre..they applied the heat sink pasting again! But didnt work..
Still elevated core temperatures :-(
Now only one option left, reinstalling the os! :-(
My System SpecsSystem Spec
.

14 Nov 2013   #4
aaryan

Windows 7 home basic 64bit
 
 

reinstalled the OS. still the CPU temperatures are elevated.
this means that this is not a problem caused by wrong drivers installed.
My System SpecsSystem Spec
14 Nov 2013   #5
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

There is a reason that they put 5400RPM drives into laptops - it's heat. You can solve the problem by replacing this 7200RPM HDD with a SSD - that is how I solved the heat problem in one of my laptops.
My System SpecsSystem Spec
14 Nov 2013   #6
aaryan

Windows 7 home basic 64bit
 
 

hey WHS are you sure that replacing the 5400 rpm HD with a 7200rpm will increase the heat??
i downloaded AIDA64 to monitor the stats! and i got really confused!
can you explain the sensor temperatures?


Attached Thumbnails
high CPU temperatures;upto 100 degrees celsius-untitled.jpg  
My System SpecsSystem Spec
14 Nov 2013   #7
theveterans

Windows 7 Professional x64 SP1
 
 

AMD has bugs with HWMonitor. Use Core Temp or Speed Fan to see the correct temperature values. It should be around 45 - 55 °C
My System SpecsSystem Spec
14 Nov 2013   #8
LMiller7

Windows 7 Pro 64 bit
 
 

I don't think that those very high CPU temperatures are valid. I would think that the CPU would shut down long before such temperatures were reached. Unfortunately there are no firm standards in place for reading CPU temperatures with software. The end result is that some combinations of software and hardware will produce invalid readings.
My System SpecsSystem Spec
14 Nov 2013   #9
aaryan

Windows 7 home basic 64bit
 
 

LMiller7 thanks for such a positive reply, indicating these results to be invalid.
but are you so sure? that multiple softwares will provide invalid results ?
ive tried 4-5 softwares all of them are showing elevated temperatures for the cores.
My System SpecsSystem Spec
14 Nov 2013   #10
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

I think you have a heat problem and it comes from the disk. I have seen that before.
My System SpecsSystem Spec
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