![]() HDD Fan Control works to fix this issue by reading the drives internal temperature using the S.M.A.R.T protocol and set the fans actual speed to a value good to protect the drive. This tool allows the users to ensure that the fan is not always running at high speed. Apple’s auto control aims for somewhere in the middle. ![]() There are two reasons you’d want to do thisto allow your Mac to run faster but louder, or slower but quieter. Instead of HDDFan Control, get the free SSDFan Control Hdd Fan Control Torrent Imac Hdd Fan Control KEYGENNINJA.COM IS THE BEST WAY TO FIND CRACKS, SERIAL NUMBERS, KEYGENs Vote for forum moderators Macs fan control, 1596 records found, first 100 of them are: 1. iMac HDD Fan Control is a tool for the Mac operating systems by which the users can control the fan’s speed and noise. The free Macs Fan Control app lets you manually control your fans. It runs at startup and continually to always control the fan correctly, prevent the loud fan noise and protect the drive from overheating While using this application, it is easier to view all necessary details about the logic board, GPU, CPU, HD temperatures, and battery power. These programs will not work for this particular issue as they often only control the base speed, and if they do control the fans actual speed they rely on the temperature reported by the sensor which is now incorrect. One of the best fan control apps for Mac is TG Pro, which is suitable for managing fan speed and system power carefully. Shorting the temperature sensor cable (Not a possibility on 2011 iMacs) this tricks the iMac into thinking the drives temperature is very low, hence slow fan speed.īoth these fixes are less then perfect and leave the drive in a dangerous situation with no protection from overheating.Īnother option people try is other Fan Control software.Using smcFanControl and the terminal to set a MAX speed for the fan and writing scripts to start this after every sleep/restart.Resetting the SMC (System Management Controller) will have a temporary effect, but again the fan will speed up.įixes people have used in the past included: If you replace your drive, your iMac will initially seem fine, but soon the fan will begin to speed up to full speed. This is due to Apple replacing the external Hard Drive temperature sensor with a proprietary firmware and using the drives internal sensor. Replacement drives do not contain the firmware to deliver temperature data on the temperature sensor cable. When the iMac does not receive a good signal from the hard drive it puts the fan at full speed to protect the drive. Since the late 2009 iMacs came out, replacing the hard drive has caused the internal Hard Drive Fan to start running at around 6000RPM. Hi, likely the new Drive doesn't have the Termal sensor.
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