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[SOLVED] CPU Overheating?

This is a discussion on [SOLVED] CPU Overheating? within the Motherboards, Bios|UEFI & CPU forums, part of the Tech Support Forum category. The temp for my CPU reads 75 C and that was from the bios. My computer is a little out


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Old 12-20-2010, 01:43 PM   #1
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The temp for my CPU reads 75 C and that was from the bios. My computer is a little out dated but i'm not trying any new games, just Source, BF2, and even just watching some fraps videos will cause my computer to shutdown without warning. No increased whirring of fans, also I just dusted the entire inside of my tower, every heat sink and fan is clear of dust.

Specs:
Code:
Windows:            	Windows XP Professional Service Pack 1 (Build 2600)
Internet Explorer:  	6.0.2800.1106
Memory (RAM):       	2047 MB
CPU Info:           	Intel(R) Core(TM)2 CPU          6320  @ 1.86GHz
CPU Speed:          	1860.1 MHz
Sound Card:         	Realtek HD Audio output
Display Adapters:   	Radeon X1950 Series   | Radeon X1950 Series Secondary   | NetMeeting driver | RDPDD Chained DD
Monitors:           	1x; Plug and Play Monitor | 
Screen Resolution:  	1280 X 1024 - 32 bit
Network:            	Network Present
Network Adapters:   	Realtek RTL8169/8110 Family Gigabit Ethernet NIC - Packet Scheduler Miniport
CD / DVD Drives:    	D: HL-DT-STDVD-ROM GDR8164B | F: EF0732H HGX459T          | G: EF0732H HGX459T          | H: EF0732H HGX459T          | J: MagicISOVirtual DVD-ROM
Ports:              	COM1 LPT1
Mouse:              	5 Button Wheel Mouse Present
Hard Disks:         	C:  298.1GB | E:  114.5GB
Hard Disks - Free:  	C:  96.4GB | E:  730.5MB
USB Controllers:    	8 host controllers.
Firewire (1394):    	Not Detected
Manufacturer:       	Phoenix Technologies, LTD
Product Make:       	OEM
AC Power Status:    	OnLine
BIOS Info:          	AT/AT COMPATIBLE | 05/21/07 | IntelR - 42302e31
Time Zone:          	Eastern Standard Time
Battery:            	No Battery
Motherboard:        	Intel Bearlake
IP Address:         	192.168.1.101 | 
MAC Address:        	00-E0-4D-2E-60-D0
Host Name:          	CHRISTIAN
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Old 12-20-2010, 01:50 PM   #2
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Remove the heatsink and fan. Clean off the existing thermal paste/pad from the CPU and heatsink. Apply a small blob of Arctic Siver thermal paste to the surface of the CPU. Re-attach the heatsink and fan, making sure they are firmly locked onto the motherboard. Switch back on and check the temperature in BIOS.
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Old 12-20-2010, 02:00 PM   #3
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Thank you for the quick reply! Also for moving it to it's correct place, my fault.

I have some arctic silver thermal paste laying around, i'll try this and update.
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Old 12-24-2010, 09:54 AM   #4
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So I applied new thermal paste and RealTemp is reading 49 Celcius on Core 0 and 47 on Core 1. I havn't put any sort of hard load on the CPU other than starting the computer.

I am just wondering if these are still high?

Edit: Just tried watching a video and the temperature on RealTemp shot up to around 70 after a minute.
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Old 12-24-2010, 10:09 AM   #5
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It's still too high.

What are the rest of your system temperatures and PSU voltages?

How much paste did you put on, and did you clean off the old paste?

It only needs a tiny amount, about the size of a grain of rice. You can either spread it thinly across the surface so it's almost invisible or you can put it in the middle of the CPU and attach the heatsink.

Is the heatsink/fan firmly locked onto the motherboard?

Do you have good case ventilation with a large fan at the front of the case and another at the top rear?
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Old 12-24-2010, 10:27 AM   #6
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A second ago I realized the heatsink wasn't fastened securely onto the CPU and after fixing that idle temps are ~38-40 which is an improvement.

Surfaces clean, ventilation is good, 2 large fans, intake in rear, exit in front, stock cpu heatsink.

"Speed Fans" voltage readings are as follows:

Vcore 1: 1.22v
Vcore2: 1.28v
3.3v: 3.31v
5v: 4.84v
12v: 11.97v

Hopefully this is better, I havn't put it under any stress yet after the last post.

Edit: would switching the direction of airflow help? Currently it is from back to front with the rear up high and the front down low (fan position).
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Old 12-24-2010, 10:43 AM   #7
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That's much better, and the voltages are good. What's the CPU temp under stress?

If you removed or adjusted the heatsink again, you'll have to clean off and reapply some more fresh paste.

You need to turn the fans around. The front case fan should be low down and pulling in cool air. The rear fan should be near the top and blowing warm air out. The airflow path goes front to back, low to high.
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Old 12-24-2010, 10:55 AM   #8
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Under load it reaches ~46 and sits around there. I'll switch the flow direction, too.

Thanks for all your help koala!

Happy Holidays!
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