Thermal compound on that die should be a small line from one end to the other (long ways). CPU needs to be mirror clean, heat sink need to be clean and feel flat, if you can feel a notch, bump you'll never get even contact. I don't want to question your workmanship however its important to double check. I believe it uses capillary action and while I've never seen it a kinked heat pipe can slow/stop the movement of the fluid within. If the air feels luke warm or even cool there is poor conductivity between the heat sink and CPU (most likely) or the heat sink is bad (less likely) due to it being kinked/bent. The air should feel not just warm but HOT. I actually suggest using your face to feel the air temp since its your face (cheeks/month area, I know weird but humor me) are more sensitive to temp and air movement then your hands.
Time sink energy mac full#
And are you sure the temp you are seeing is from the CPU sensor?ĩ9c is max junction temperature for the CPU so the fan should be running full tilt.
What adhesive are you referring too? Should be bare copper heat sink pressed directly too the CPU die. Booting into safe mode and/or guest user isn't a bad idea either. And I would actually CPU in activity monitor regardless of what you are doing. SMC and NVRAM reset first like mentioned. Is it just the i7 and poor cooling solution provided by Apple? The CPU throttles itself to death basically.ĮDIT: The machine received a new topcase and display by Apple itself. Nothing particularly alarming regarding OS activity (no spotlight indexing, no updating services, no nothing) an open tab in Firefox and that's it. There is no dust or corrosion anywhere, thing looks MINT inside and outside. I cleaned the inside of the machine and the logicboard with a soft toothbrush and isopropyl alcohol when needed. I removed the black adhesive on the CPU under which there was still some old thermal paste left behind. I changed out the thermal paste twice: tried MX4 and IC Diamond. Idle temps fluctuate between 65☌ and 99☌ most of the times. It's got the 2.8GHz i7 4558U, 16GB RAM and 512GB SSD.
Time sink energy mac pro#
I've got an A1502 MacBook Pro 13" late 2013 (MBP 11,1 ME867LL/A) which I got secondhand.
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