It allows to control MacBook fans speeds depending on the CPU and GPU temperature. DrFan automatic mode considers all thermal sensors together (not just CPU or just GPU) and intelligently adjusts the fan speed, so that under any load your iMac remains as Login - To have the app started automatically when starting or logging into your Mac, check the "Automatically launch TG Pro" checkbox.Speed fan controller and temp monitoring for MacBook Pro Unibody (Nvidia) for Windows under BootCamp. Usually, this kicks in before the temperature gets too high, but you can manually push your CPU farther by turning the fan speed up farther than Apple usually allows.DrFan is THE fan control utility of choice for both the gamers and professionals who utilize the CPU & GPU heavily. Your Mac throttles your CPU when it gets too hot, slowing it down significantly until the temperature gets under control.For example, it could be something like Shift-Control-F or Shift-Command-Option-M, and so on.Console Output - This is for debugging purposes and you generally not be checked unless requested to do so by Tunabelly support.Hackintosh - Use this option to enable the generic sensor mode which will dynamically determine which sensors are available instead of by Mac model. Then press the keyboard combination you'd like. The default is 10 seconds and is usually a good compromise between continuous updates and not querying too often.HotKeys - If you'd like to be able to press a keyboard combination to show the main window, check the checkbox for the one you'd like then click the "Record shortcut" button. This is the most common setting since it allows the app to run in the background and still provide the status menu (and from there the main window as well).Update Frequency - This is how often TG Pro checks temperatures and fan speeds. Control RGB lighting and fan speeds, program keyboard macros.Run Mode - To have the app run in the background with no dock icon or menu bar, choose "Background". On newer MacBooks with ATI GPU the GPU temperature is not checked.CORSAIR iCUE software connects all your compatible products together in a single interface.Having them at the top makes it quicker to access.Active GPU - Enable to show the active GPU name. Having them at the top makes it quicker to access.Show Main Window & Preferences - Move the menu items to show the main window and preferences to either above the temperatures to the top of the menu, or below near the bottom. Note: The "Use smaller font" is not available for the Vertical stacking order since it already uses a fairly small font.Fan Controls - Move the fan controls either above the temperatures to the top of the menu, or below near the bottom. Read more about it here.Menu Bar Content- Choose which temperatures and fan speeds are displayed.Stacking Order - How the text in the menubar will be stacked.Horizontal can use a larger font and is easier to see, but takes up more room:Vertical uses a smaller font, but takes up significantly less room:Options - A few choices to customize how the information will be displayed. This will reset all Auto Boost rules and preferences.If the speed is 2000 RPM, that means the blade inside the fan does 2000 complete turns in one minute. The fan speed units are displayed in RPM, which stands for Revolutions Per Minute. In this example for a MacBook Pro (15-inch, 2018), there are two fans.
The fan speed will never go below this, although it's possible to temporarily see a slight variation where it's a few RPMs lower. It also displays the current speed, which is 2143 RPM.(3) displays the minimum speed of the fan, which in this example is 2160 RPM. To learn more about how computer fans work, check out the Wikipedia article.(2) displays the name of the fan, which for this model is "Left Side", since it's physically located on the left side. Depending on the current power source, Auto Boost will use rules from the list with the same name. For information, search on Google for "cleaning inside Mac" or see an example under the "Get Rid of Dust" section of this Macworld article.(1) - On Macs with an internal battery, there are two tabs are available: Power Adapter and Battery. If you're really adventurous and know how, open up the Mac and use the compressed air inside to give it a really thorough cleaning. However, if a fan is always running red, even under a light load, it's possible that the fan is defective or it's dirty and has restricted airflow.To check for a defective fan, see the check for defective hardware section.To clean a fan, try using compressed air around the air vents to help clear out any dust and debris. This will usually occur when the CPU is working very hard, with high temperatures. This means the fan is pretty much maxed out. Cpu Fan Control Manual Or AutoThis will be explained more in detail in the section on completely overriding the system.(5) - Enable to monitor different parameters to try and stop the CPU from being throttled when the override option from (4) is enabled. Normally, the system can still increase the fan speeds if necessary (even in Manual or Auto Boost mode), although with this enabled, it can't. Note: This may only work on older Macs since the newer ones always turn off the fans shortly after sleeping.(4) - Option to completely override the fan control so that the system cannot control them at all. Mac os windows hyperterminal emulatorWhat happens when they begin to decrease? The answer is the rules with lower temperature thresholds will be triggered.Let's use an example to show how the rules are triggered: This covers the cases where the temperatures are increasing. This allows the fans to ramp up in steps depending on the CPU temperatures. For an exact RPM value, recall the formula used to determine the fan speed from a percentage.Each of the other remaining rules are all similar they increase the fan speed by 20% each time the highest CPU temperature increases by 5☌ (9☏). The fans are now set to 40% of the maximum speed. Highest CPU temperature is 68☌, the rule for 40% when above 65☌ is triggered. The fans are now set to 20% of the maximum speed. In order to also lower the fan speed, the option to completely take over the fan control form the system needs to be enabled. The fans are now set to 60% of the maximum speed.With this type of setup, it's possible to keep a Mac considerably cooler compared to letting the system handle the fans.By default, TG Pro is able to increase the fan speeds through the different fan control modes. Highest CPU temperature is 73☌, the rule for 60% when above 70☌ is triggered. The fans are now set to 100% of the maximum speed. It can use a custom fan curve for the HDD fan and adjust the speed based on the temperature of the drive, while leaving the rest of the fans to be controlled by the system. This can be very annoying (and loud).The good news is this is fixable with TG Pro. When this happens, the system gets no response from the sensor responsible for the drive temperature and therefore decides to run the fan at full speed. If this happens, it's most likely from the temperature sensor on the drive that's been damaged by the replacement, which is fairly common. To avoid any potential issues with overheating / throttling, it's important to setup a full fan curve if using this feature with Auto Boost, and also to turn on the CPU Throttle Fix, which will monitor the thermal levels, and temporarily boost the fans if necessary.Only use this if you need to lower the fan speeds temporarily using Manual mode (ex: for audio recording) or to completely replace the fan control using Auto Boost mode (ex: replaced HD in older iMac, noisy fan in 16-inch MBP).After replacing the hard drive in some late model iMacs with a new SSD or HDD, the fan labelled "HDD" may always run at maximum speed. This will occur once the fan mode is switched to either Manual or Auto Boost and a fan speed is set. This will ensure that the HD fan speed will continue to be lowered in sleep mode. Make sure the "Disable fan control when Mac is sleeping" checkbox is unchecked, as shown in (1) below.
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