I don't know if it's worth buying a new HDD fan and see if it might solve my problem or if I might take the same route as others and hack the CPU fan, or maybe change the logic board. Then I tried to limit the fan max speed via programs like SMCFanControl or SSDFanControl but with no luck, all of them reported that the CPU fan speed was 0rpm and it's the one going crazy.
I first unplugged the ODD fan and connect it to the HDD fan and it worked fine, did the same connecting it to the CPU fan and seemed to go like crazy, but worked.įinally I decided to unmount the HDD fan and plugged it to the ODD connector and surprisingly it worked. So I thought that it was worth checking if all fans and connectors were working. None of them seemed to work so I ran AHT and I got this results: Same as before but also connecting HDD sensor to LCD sensor socket.Connect the optical drive sensor to the HDD sensor socket. Set minimum speed in Macs Fan control, or iStat or whatever you use and it will still vary UP from there as necessary.Connect the optical drive sensor to the LCD sensor socket to see if that was the problem.
I checked several posts and seen that other people complained about fans going crazy and it was due to some sensor not working, so I tried several things but none of them with result: I thought everything went quite well during the installation but when I finished it turned out that the CPU fan was going crazy.
WHAT SHOULD SMC FANCONTROL BE SET AT FOR IMAC INSTALL
A couple of days ago I tried to change my Seagate hard drive for another Seagate but with 3Tb and also install a SSD drive in place of the optical drive.
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