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--- tech:unix:imac-fan [2025/07/19 20:07] – ayush.zutshi
+++ tech:unix:imac-fan [2025/09/04 21:58] (current) – ayush.zutshi
@@ Line 1: / Line 1: @@
-====== Fan Cntrol for an iMac on Linux ======
+====== Fan Control for an iMac on Linux ======
 I replaced an HDD with and SSD in an old 2009 iMac, disabled the CDROM.  Since the SSD does not have a temperature sensor and runs cold, the iMac fan runs at full tilt.
-Manually set the "odd" and "hdd" fans to minimum with:
+Manually set the "cpu", "hdd" and "odd" (The CDROM) fans to minimum with:
 <code>
+apt install lm-sensors
 ./fan.sh odd 0
 ./fan.sh hdd 0  # if using an SSD