With Mac OS X Mavericks, Apple changed what happens when a Mac’s power button is pressed. Switch between graphics modes: Click Battery or Power Adapter, then select “Automatic graphics switching” to switch between graphics modes automatically for better battery life. All Mac's, I'm told do a little clean up operation when they pass midnight and are on, letting them sleep gets them to do it when they next awake. Here is a way to disable sleeping when pressing the power button on 10.9.2. See Share your Mac resources when it’s in sleep. On your Mac, choose Apple menu > System Preferences, then click Battery.. Open Battery preferences for me. Dead machine. Read on to learn how to add a quick sleep button to MacBook’s Touch Bar for faster access. To put your Mac to sleep, do any of the following: If you’re using a Mac with a CD and DVD drive, press Option-Command-Media Eject key ⏏. While this is fun for in-meeting pranks on co-workers, I prefer the old ways. Keep your Mac from going to sleep automatically: Select “Prevent computer from sleeping automatically when the display is off.”, Put hard disks to sleep: Select “Put hard disks to sleep when possible.”, Keep your Mac turned on whenever power is available: Select “Start up automatically after a power failure.”, Update your system while it’s asleep: Select “Enable Power Nap.”, Allow your Mac to wake briefly so users can access shared services (if applicable): Select any of the available “Wake for…” options, such as “Wake for network access.”. To put a Mac to sleep immediately, do one of the following: Close the lid of the MacBook; Press the power button on the Mac—tapping the power button makes both MacBooks and iMacs or Mac minis drop off to sleep instantly; Choose Sleep from the Apple menu; … Sleep was working fine in High Sierra. If I was away and not using it for some time, I would save the electricity and switch the power … Choose Apple menu  > System Preferences, click Keyboard, click the Keyboard button, then click Customize Control Strip. When your Mac is in sleep, it’s turned on but consumes much less power. However, the hard drive failed (6 months old) and the iMac was burning itself up trying to boot. In Terminal, type in the following command and then press Enter. I have an iMac mid 2011. You should know that this power keyboard button is only available on newer Macs with built-in keyboards, and not on Apple’s wireless keyboards. 4. Use Activity Monitor App to Detect and Stop them. You’ll need to use a heat gun to soften the glue which holds the housing hopefully you can get to the needed points to splice a... - iMac … On the System Preferences screen, click on the " Energy Saver " icon (it looks like a compact fluorescent light bulb). Drag the Sleep button onto the Touch Bar. Click on the " Apple " icon in the top left hand corner. There may be an issue that some iMac users experience where after being in sleep for a period of time, their systems will no longer respond to keypresses or other input, and even though pressing the power button should similarly wake the system, doing this similarly has no effect. On a Mac notebook, close the display. If you have a laptop (MacBook, MacBook Pro, etc.) By showing a dialog box for turning off the Mac and more. If you’re using a Mac with a CD and DVD drive, press Option-Command-Media Eject key ⏏. You can set your Mac to go to sleep after a specified duration of inactivity. Tip: If your Mac has a Touch Bar, you can add the Sleep button to the Control Strip. I downgraded the GPU for an ATI Radeon HD 4850 in order to be able to use a patch allowing to install Catalina on unsupported macs (from Dosdude1). Step #1. On your Mac, choose Apple menu  > System Preferences, then click Energy Saver. To use this feature, simply press the power button, which should put your Mac … Power switch was unresponsive. Press and hold for 1.5 seconds to put your Mac to sleep. To wake it up just hit the Power Button, or enable Wake On Network if … Sometimes the only way to fix your Mac is to perform a hard shut down by pressing and holding the power button until the Mac, well, shuts down. On 2013 “Trash can” Mac Pro, the Power button is on the back of the case. The login screen of OS X typically shows a list of users in addition to a variety of power options, including sleep, restart, and shut down. In the Energy Saver dialog box, click the Show Details button. If that doesn’t work, press and hold the power button until the Mac turns off. Select " System Preferences." I never use the power switch, I just use "sleep" from the apple menu. Copyright © 2021 Apple Inc. All rights reserved. Knowing an Apple ID and password are a must. Hello, I like putting my imac to sleep. Set the amount of time your computer or display should wait before going to sleep: Drag the “Computer sleep” and “Display sleep” sliders. So if i was using it again soon or the next day I would let it sleep. It may take a while. When you’re not using your Mac, you can save energy by putting it to sleep. The easiest way to put your Mac to sleep is by using the Power button. On your Mac, choose Apple menu  > System Preferences, then click Battery. * Continue holding to force your Mac to turn off. Copyright © 2021 Apple Inc. All rights reserved. After that, download the target OS X or macOS and reinstall it. 3. You’ll need to take the HDD, power supply & left speaker so you can gain access to the button from the back side. The Energy Saver dialog box expands … Set sleep times for when you’re using your Mac notebook’s battery: Click Battery, then drag the “Turn display off after” slider. See Schedule your Mac notebook to turn on or off. For example, I often turn on my MacBook at 9:30, so I schedule the wakeup time at 8:00. and I get it home and the power switch does nothing. Set sleep times for when you’re using your Mac notebook’s power adapter: Click Power Adapter, then drag the “Turn display off after” slider. To open the pane, choose Apple menu  > System Preferences, then click Energy Saver. When you press the power button for about 2 seconds, it will put macOS (OS X) in stand-by (sleep) mode. Power button: Press to turn on your Mac or wake it from sleep. After entering the login details, pick Install Mac OS X and Continue in the OS X Utilities menu. Due to lack of traditional power button like the one found on the non-Touch Bar models, by default Touch Bar MacBook users are forced to put their Mac to sleep through the Apple menu. Normally you do not need to use the power button to put the machine to sleep if you set up the timer to your liking in System Preferences - Energy Saver. Do any of the following: Set your Mac to go to sleep and wake up at a specific time: Click Schedule, then select the options you want to use. On Windows 10, and it’s two predecessors, if you go to the Power Options window, and expand the Power buttons and lid options for a particular power plan you’ll see three actions that you can configure; the power button, the lid close action, and the sleep button.On laptops, the power button is easy to find but not many come with a dedicated sleep button. To wake your Mac, do any of the following: Press a key on the keyboard, or click the mouse or trackpad. and would like to maximize the power savings, please utilize at least the settings below. Press the Power button on Mac and listen to the fan, startup chime, hard disk running, etc. Open … It’s in the bottom-right corner of the computer when you’re looking at the Mac from behind. Even in safe mode. iMac (Retina 5K, 27-inch, 2020) 27-inch Retina 5K display, 3.6GHz 10-Core i9, 128GB 2666MHz DDR4 SDRAM, 8TB Solid State Drive, AMD Radeon Pro 5700 XT with 16GB memory Since OS X 10.9 mavericks, the behavior of the power button has been changed. Push the power button to turn the Mac on again. The button housing is glued into the back case. Keep in mind that when shutting down your Mac with the power button, any … Set your Mac to go to sleep and wake up at a specific time: Click Schedule in the bottom-right corner, then select the options you want to use. Modifying this control will update this page automatically, Change the picture for you or others in apps, Make it easier to see what’s on the screen, Insert photos and documents from iPhone or iPad, Sync music, books, and more between devices, Manage cookies and other website data in Safari, Use Sign in with Apple for apps and websites. Keep on pressing the Command and R keys before you hear the chime noise. If you have not done a SMC reset before please click Intel iMac SMC and PRAM resetsfor instructions.