CPU Overheat (Need help)

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Sacreligious

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Hi everyone! I need help.

So, I bought all the hardware for my Desktop computer and assembled it myself, because it is cheaper and I do know how to set it up the right way. My computer is meant to be a Gaming computer.

The problem is that I bought some hardware in different years (I bought the CPU, MotherBoard and RAMs in the same year, and on the next one, I bought the GPU, a new Power Supply Unit and one new CPU water cooler)

Now, the problem is that everytime that I try to play any videogame, my computer generates heat like crazy (I´ve seen the VCore and the DRAM reach 80º Celsius each, and my CPU reaches 70º easily). To be honest, I dont know what VCore or DRAM stands for, but I think that 80º is way too much for any component of the computer.

I need some help. I dont want to "burn" any piece of my desktop, and I would like some one to come up with a solution. Can all this heat been renerated by a case of bottleneck? Or is my Power Supply Unit that is generating that much heat?


My Computer Specs:

CPU: Intel Core i7 2700k, clocked at 3,5GHz

GPU: MSI Lightning GeForce GTX 770

MotherBoard: Asus Sabertooth z77

RAM: 14GB Corsair

Power Supply Unit: Nox Urano VX 750W

CPU Cooler: Corsair H60 (Water Cooler)

Desktop Case: Cooler Master k280


I would appreciate if some one came up with a solution. Thanks!

PS: Sorry for my bad English. English is not my mother tongue.
 
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Cristi72

Cristi72

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Hello, the temperature values you listed are way too high indeed, especially for a liquid CPU cooler and a non-overclocked processor. If you mounted the cooler properly, the culprit must be the thermal compound. Where did you find these values: BIOS or Windows utility?
 
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Sacreligious

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I found those values through the Thermal Radar of AI Suite II
 
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Sacreligious

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I only have a question: the only way to access the BIOS is by rebooting the computer, right? Cause if that´s the case, I dont think that would work, because the computer only stays very hot when I play videogames, and if I reboot it, I think it would cool down by the time I accessed the BIOS, therefore it would give wrong information about the temperature.
 
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Sacreligious

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Oh ok, sorry I was not understanding. When I reboot my PC I´ll post the temps values here.

The CPU temps in idle are about 30º-35º Celsius.
 
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Sacreligious

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Isn´t my water cooler enought? I thought Corsair H60 is a good cooler...

And I am using thermal paste. Just a question: when should I replace it?
 
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Cristi72

Cristi72

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Idle temps are very good... I would double check the retention system on CPU and I would change the thermal compound between CPU and cooler. The pump and the cooler's fan are working? If I remember correctly, the pump is electrically connected with the LED below the Corsair logo, so if you don't see that logo glowing, it means the pump is not connected. Please check also if are no leaks on cooler's joints.
 
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Sacreligious

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Yup, I can hear the cooler´s fan working. About the pump... I can´t see any LED below the Corsair logo... I can try to open the case to give it a second look, but I doubt that I´ll see any LED near the cooler. If the pump is not connected, how can I connect it the right way?
 
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Cristi72

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You should have two cables, one from the radiator's fan (plugged into the header marked CPU FAN, the one with 4 wires) and one from the cooling head above the CPU (plugged into the header marked SYS FAN).

EDIT: it seems that H60 don't have that LED under the logo; sorry, my bad...
 
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Sacreligious

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No problem. I was a bit worried about not seeing any LED :D

uk1o.png


This is a print that I just took from the Thermal Radar. Is it normal that the VCORE and the DRAM are higher than the others??
 
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Cristi72

Cristi72

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Wow, how many sensors do that motherboard have... Anyway, I assume that CPU sensor is the one figured in the middle of the CPU. In your configuration, VCORE and DRAM are higher because there is no airflow around the CPU socket; if you will swap the Corsair with the Intel box cooler, you will see these temps getting lower, and CPU temps will go higher.
On the other hand, DRAM temps from your first post are very, very high. Are you having a good airflow inside the case? As a rule of thumb, the airflow is front / down / side (intake) -->back / up(exhaust). How many fans do you have in the case? Maybe a picture of the system will reveal something wrong with the setup...
 
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Sacreligious

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I think I have about 3 fans, but I´m not 100% sure of this. I´ll open my computer, take some pictures and post them in here ASAP.
 
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Sacreligious

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I´m back guys! Sorry for taking so long, but I went on vacations with my family, and since my computer is a Desktop, I didn´t bring it with me.

So, I opened it up and (after cleaning some dust), I saw that my RAM have different speeds (4 RAM sticks, one running at 1600 MHz and 3 running at 1333 MHz). Can this be the cause of my heat problem?
 
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Cristi72

Cristi72

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I haven't seen yet a motherboard which can run different RAM slots at different speeds (except the multi processor ones, as for the Xeons 55xx series -and up- or Opterons). Usually, if you mix RAM with different speeds, they will work at the speed of the DIMM in the first slot.

Please install CPU-Z and verify the memory speeds within Windows. If all DIMMs are working at 1600 MHz speed, you must dial down the speed to 1333MHz from BIOS.
 
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Cristi72

Cristi72

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I don't see how exactly the HDD can obstruct the airflow in such manner (your case is probably an ATX one, so the HDD can be mounted horizontally only).

As for the RAM, I saw something weird: how do you ended up with 14GB of RAM? The only way I could think of is 3x4GB and 1x2 GB (or is it 3x2GB and 1x8GB?), meaning the 2 GB one should be changed (the performance difference between 1333 and 1600 is insignificant).

Please check in CPU-Z ---> SPD the timings, frequencies and voltages for every DIMM.

Check in BIOS the voltage setting for the RAM, you should not exceed 1.5V (the upper limit is 1.65V, but use that only for dedicated overclocking modules, 1866 MHz and up). Also, put the RAM frequency to 667 (being DDR, that means 667*2 = 1333 MHz).
 
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