![]() ![]() ![]() Since a few weeks ago, fans speed are always faster and makes noise. I am using Mac Fan Control for several years on an iMac when the HDD was replaced by an SDD. Discovered that when booted from a USB drive, starting the SSD Fan Control daemon causes the SSD to entirely disappear from the System Information – hence the freeze when booted from the SSD itself.Ĭhris Upton: did the proposed solution fix the problem? Just encountered the same problem as Hugh. It took me a long time to isolate, but manually starting the daemon consistently froze the system. Has anyone else had the problem with SSD Fan Control or Macs Fan Control whereby the daemon freezes the system (keyboard and mouse have no effect, and spinning beachball of death spins until power cycle). I have 8GB of RAM and a 500GB SSD drive in mine. Love the 2011 iMac!! So upgradable and I still love the optical drive. This will blow out some dust and then you can set the fan speed at a more normal speed to keep your iMac cool. Set the fan speed to 100% (but not for too long). Randy, I forgot to say I use a 2011 imac still on Snow Leopard and loving it but I want to make my fans come on at 100% to blow the dust out.ĭownload and run Macs Fan Control ( ). Not very good ones here in Central FL and I don’t want to take back off. I don’t want to take it to a computer tech. The fans used to come on at full speed occasionally to blow dust out but they haven’t for two years. It was getting hot to the touch and I blew the top slit with compressed air, also in the back. Is there a way I can make them come on HIGH. Randy, I want my fans to come on at full speed to blow the dust out. Just follow the OWC video and you’ll do well. At some point I’m going to add 4 more GB of memory and I figure I’ll be able to use this machine for a few more years. No fan noise and the new SSD was much more responsive. Finally I updated to macOS High Sierra (can’t go any higher on the mid-2011), and the machine ran like a clock. I bent the Display Port Cable initially and had to order another one from ebay.
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