Where is the temperature sensor component located exactly?

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Lucas @gabagabado

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Gepost: 22 dec. 2023

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Where is the temperature sensor component located exactly?

gtx 1070 ROG Strix

Had this card for years and still works great. Recently started doing this thing where it shows it reaching temperatures as high as 90c at idle. Logically the first thing that comes to mind is that it needs new thermal paste or pads etc. I guarantee this is not the case. The card is still cool to the touch. I confirmed this after running it till it reached that temp then turning off and removing the card. I am nearly certain it has a bad thermal sensor, which is why I would like to know where they are so I can buy and solder new ones. All help is appreciated thanks!

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Ja Nee

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I took apart the card today and found a component with poor contact with the board. Fixed that, and Replaced the thermal paste and pads just in case. It's working great again! Idle temps are at an average of 35c and it's running great while gaming hasn't got past 50c. It can even handle a stable overclock.

23 dec. 2023 door Lucas

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Lucas @gabagabado

Rep: 23

3

Gepost: 23 dec. 2023

Opties

I took apart the card today and found a component with poor contact with the board. Fixed that, and Replaced the thermal paste and pads just in case. It's working great again! Idle temps are at an average of 35c and it's running great while gaming hasn't got past 50c. It can even handle a stable overclock.

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Ja Nee

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I took apart the card today and found a component with poor contact with the board. Fixed that, and Replaced the thermal paste and pads just in case. It's working great again! Idle temps are at an average of 35c and it's running great while gaming hasn't got past 50c. It can even handle a stable overclock. — Lucas

jayeff @jayeff Rep: 546,7k 11 421 1,6k · Answer 1 · 2023-12-22T20:51:08-07:00

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jayeff @jayeff

Rep: 546,7k

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421

1,6k

Gepost: 22 dec. 2023

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Hi @gabagabado

Chances are that the temp sensor is inbuilt the GPU chip itself.

CPU's have a built in thermocouple that senses the core temp of the CPU so no doubt GPUs are the same.

If it's getting too warm it could be due to faulty drivers or vram or overclocking perhaps causing the GPU to work harder than it should.

No doubt the fans on the card will also have temp sensors (thermistors) in them as well.

Are the fans on high speed when the temp rises?

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Ja Nee

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No, fans were spinning faster, but not to the level of speed it should've been while at 90c.

23 dec. 2023 door Lucas

I have EVGA 3080 ftw3 Ultra, after changing the pads and paste the fans are in full speed always, on x1 software only gpu temprature is showing, on gpu-z the power sensor no.5 is showing -- no temprature, on hwinfo no power5 info at all it disappear! changing bios or drivers doesn't fix, wnything is missing please?

10 mei 2025 door Rami M.

Just fixed that after a whole week. Because the power no.5 is not working so I tried to trace within the same area and found a resistance leg out of the connector so one leg is only connected just fixed it with my nail and the card is working again, will go to someone to solder it under the microscope 👍✌

10 mei 2025 door Rami M.

@Rami M Hey bro, I’m having the exact same issue with my EVGA RTX 3080 FTW3. The PWR5 sensor randomly shows high temperatures, and the fans spin at full speed. Could you guide me on which component might be loose? If you have any images, that would be really helpful. I’d really appreciate your help. @Rami M.

23 feb. 2026 door Pc Mr

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Grafische Kaart

Where is the temperature sensor component located exactly?

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