![]() Resetting it can solve issues related to power, battery, fans, and other functions. It controls many of the core functions of your Mac. SMC refers to the System Management Controller. Click the button below to have a try now. It not only releases your memory with one click, but also monitors your CPU load and temperature in real-time in the status bar. There is a quicker way to free up memory space on Mac, that is to use BuhoCleaner. Highlight the processes that consume the most resources and click the Stop button to end them. To check which processes are using the most CPU and memory resources, open Activity Monitor and click on the CPU and Memory tabs as needed. Free up Memoryĭoing complex tasks on your Mac, such as playing games, editing videos, and designing graphics, can also overheat your Mac as it consumes a lot of your CPU and memory resources. It is recommended that you place your MacBook in an environment between 10☌ and 35☌. High ambient temperatures can make your Mac overheat. For the best performance, place it on a hard, flat surface like a table or desk. Improve Air Circulationįirst, check to see if your MacBook's vents are blocked.Ī soft surface may block the air vents of your Mac, making the fan run more. In addition, loose fans, aging fans, and too much dust on fans can also cause loud fan noise. If your fan is suddenly loud, it is mainly because the processor is overheated. Typically, you won't hear any sound from a Mac fan. Here's another of those times when a spare arm (or an assistant) comes in handy! Keep holding down the four buttons for about 20 seconds, and you'll hear the "WALL-E" startup chime or see the Apple logo a couple of times.Also Read: macOS Ventura Slow? Try These Fixes Why Is My Mac Fan So Loud? To reset the PRAM you need to hold down COMMAND and OPTION and P and R while powering on the system. Refit the battery and restart the Mac.Īlso: How to make your MacBook battery run all day Reset PRAM (Parameter RAM) Then press and hold down the power button for 5 seconds. Laptops with removable batteries (older MacBook systems): Disconnect the system from the power supply and remove the battery.Then simultaneously release all the buttons before starting the Mac normally. Laptops with non-removable batteries (newer MacBook systems): With the system plugged to a power supply, press and hold SHIFT and OPTION and CONTROL and then press the power button (it helps if you have three arms or an assistant).Desktop systems (iMac, Mac Pro): Disconnect the power cord, wait 15 seconds, plug it back in, and then wait a further 5 seconds before turning the Mac on again.If you see inaccuracies in our content, please report the mistake via this form. If we have made an error or published misleading information, we will correct or clarify the article. Our editors thoroughly review and fact-check every article to ensure that our content meets the highest standards. Our goal is to deliver the most accurate information and the most knowledgeable advice possible in order to help you make smarter buying decisions on tech gear and a wide array of products and services. ZDNET's editorial team writes on behalf of you, our reader. Indeed, we follow strict guidelines that ensure our editorial content is never influenced by advertisers. Neither ZDNET nor the author are compensated for these independent reviews. This helps support our work, but does not affect what we cover or how, and it does not affect the price you pay. When you click through from our site to a retailer and buy a product or service, we may earn affiliate commissions. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. ![]() We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. ZDNET's recommendations are based on many hours of testing, research, and comparison shopping.
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