Mac Book Not Turning On

Mac Book Not Turning OnMake sure that your power cable is undamaged and plugged securely into your Mac and a working electrical outlet. 1 day ago · bhargav192 wrote: My mac Book is turning on for less than five mins what should I do. M1 MacBook Air that's not turning on is an intractable issue due to the complex and unseen causes. Listen to the Sound and Watch the Indicator Light. Connect your MacBook to a wall power outlet and let it charge for a little while. MacBook won’t boot? Start it in safe mode. To reset the SMC on a iMac Shut down your iMac. Press the Shift-Control-Option, then press the MacBook Air’s Power button. Watch the video till the end to see if we manage to fix the set :) Hope. - Shut down your Mac. Transform the Way You Work: Turn your iPad Pro or USB-C tablet into a complete productivity tool. Hold down the Command and S keys while restarting. 2018 MacBook Pro and MacBooks With the T2 Security Chip. Mac notebook computers have a Brightness Up key on the built-in keyboard. By Serhat Kurt February 6, 2020 March 29, 2021 Reading Time: 5 minutes Serhat Kurt February 6, 2020 March 29, 2021 Reading Time: 5 minutes. Some users report that they solve MacBook not turning on by resetting PRAM/NVRAM. 12 Posted on Nov 2, 2022 1:18 PM Reply I have this question too I have this question too Me. Press and hold the power button on your Mac for about 10 seconds. And data loss happens once you cannot turn on M1 MacBook or M1 Mac mini. M1 MacBook Pro Here's how to run the command in Mac Terminal to stop MacBook Pro from booting up automatically when the lid is open. Press Shift-Control-Option on the left side of the built-in keyboard, then press the power button at the same time. If the flat battery causes your MacBook Air or MacBook Pro not to turn on, most Macs will power on automatically if you connect a working charger. If your MacBook identifies with the following, you may be able to do some aspects of troubleshooting or repair DIY. Let go of the keys when you see an Apple logo on the screen. Once the Settings app is open, scroll down until you see an option that says Passcode. This didn't work, move on to the next step. Press and hold the power button on your Mac for 10 seconds, then press it again. Slide your finger upwards starting from the bottom of. Here is what to do if your Macbook refuses to power on. Another way you check is by opening up the terminal. In the Recovery app window, select Reinstall for your macOS release, click Continue, then follow the onscreen instructions. On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time. In this video, I have shown steps on how I fix MacBook Air model A1466 which won't turn on. There are many possible reasons why your Mac won’t turn on. MacBook won't turn on? Here's how to fix it · 1. What to Do if Your MacBook Pro Won’t Turn On – Alphr; 6 6. So, if Mac isn't starting up when it is on battery power, plug in the charger. If your Mac won't turn on, first confirm that it has power and everything is plugged in correctly. To be more clear about this option you can look up the button settings for your mac. Reboot the computer again to see if the Mac stuck on Apple logo issue exists. When I restart my MacBook Pro (Retina, mid-2012, 15 inch), I hear the Apple startup sound, and keyboard lights up and I can press the volume buttons and hear sound, but the screen stays black. It's updated to Monterey and normally it isn't that long to charge or anything. Your MacBook is now in Recovery Mode. If your Mac is turned on, this forces it to turn off. Shut down the Mac · Connect the Mac to power (if it is not connected). Look for Westurn: Turn-based Showdowns in the search bar at the top right corner. Open the Apple Watch App on your iPhone. - Wait until your computer turns off and after that press the Power button. Mac desktops don't have batteries, so unplug the Mac's power cord and leave it unplugged for fifteen seconds. Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC. Make sure that your power cable is undamaged and plugged securely into your Mac and a working electrical outlet. Stream songs including "Just When I Thought", "Won't Turn Back" and more. If the Mac is plugged in and doesn't turn on, the power cable may be faulty. If you experience any issues with a Wi-Fi 6E network, Apple says you can turn off Wi-Fi 6E mode for that network, and the iPad Pro will no longer use that network's 6GHz band. Check to see if you can hear drive, fan noise, or an opening bell after turning on your MacBook. This didn’t work, move on to the next step. 15 problems with the MacBook Air and how to fix them. I help individuals embrace their God-given identity to experience more joy and belonging—both with God and others. Activate CarPlay on Your Protected iPhone 4 #2. 0, now the keyboard brightness doesn't show up in the control center. Aug 19, 2022 · For a MacBook without a removable battery, press the power button and hold it down for ten seconds. Check to see if you can hear drive, fan. Your Mac might be turned on but appear to be. New Book Deeper conversations don't just […]. How do you turn off voiceover on MacBook?. Suddenly your computer may not turn . Hey folks, I haven't been able to toggle Find My Mac on in the System Prefs. When your Mac finishes starting up, you should go to System Preferences and adjust some settings that were reset, such as time zone, display resolution, etc. First, check for a proper power source. At the time, the coincidence gave rise to some comment, but it was not until Kurt Cobain's 1994 death, at age 27, that the idea of a "27 Club" began to catch on in public perception. Do this by holding down the Power button while the Laptop is plugged out for 15-20 seconds. You can see the sign-in screen and Apple icon. On current MacBooks without a removable battery, plug in the power cable. The MacBook will immediately turn on and then turn off. Click Options > Continue In the macOS Utilities window, select Disk Utility Click the name of your Mac's hard drive in the list. If not, charge the battery to the fullest. 8 Reset the NVRAM 2 Conclusion How to Solve MacBook Air Won't Turn On Error. MacBook not turning on? Take these eight steps to fix it. 1) Remove the power cable from your MacBook Pro 2) Press and hold the power button for 10 seconds, then (don't release the button!) plug the power cable back into your MacBook Pro. Now, select your startup disk , press & hold the Shift key, and click “ Continue in Safe Mode ”. So, let's first make some simple checks. If your Mac has no built-in display, make sure that your external display is connected to power, connected to your Mac. Turn your Mac back on by pushing the Power button. Here’s what to do if your Mac won’t turn on. MacBook WON'T TURN ON Fix in 3 Minutes. - Shut down your Mac - Wait until your computer turns off and after that press the Power button - Right after you hear the startup tone, press and hold the Shift key - Release the Shift key when you see a grey Apple sign and the progress bar below this sign. MacBook not turning on fix is here! Other Workable Ways to Fix Mac/MacBoo Here's a quick tutorial on how to fix your MacBook that won't turn on in 3 minutes. Check the Battery and the Power Source Check that your MacBook Pro has enough battery power to turn on. Why? To lead people just like you closer to God and others. Use Disk Utility to verify or. Check the I/O cable and trackpad cable (both ends) for liquid too, for good measure :) Was this answer helpful? Yes No. Resetting the SMC on MacBooks with a removable battery is simple. Press and hold the power button on your Mac for about 10 seconds. You will have to put a command there. The software contains features similar. You may see the light on the power cable flicker. But before you look at anything else, you should establish the. MacBook Won’t Turn On? Fix. Therefore, if your M1 Mac isn't turning ON or your M1 MacBook Pro won't turn ON despite having a stable power connection, you can do a power . In the same saucepan, melt the butter or Margarine (or both) over low heat until it is melted and bubbly. Press and hold the power button on your Mac for 10 seconds, then press it again. · While the Mac is off, press the Shift+Control+Option+Power keys together at the same time . Press the Power button as you would normally start your MacBook Air. Even after pressing the power button multiple times. Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected. That's according to Wayne Ma at The Information, who says it would "further blur the. If you notice that the device isn't turning on even after pressing the power button and the green light indicator is lighted, try to perform a special power cycle. The most plausible reason would be that battery drained from your system and as a result, Mac laptop won't turn on. M1 MacBook Air that's not turning on is an intractable issue due to the complex and unseen causes. My MacBook Air Won't Turn On! The Fix. Hold Shift + Control + Option and Hold the power button for 10 seconds. If your Mac doesn't seem to turn on after you press the power button, follow these steps. If a MagSafe connector is dirty, has oxidized over time, or is simply clogged with dust and dirt, then your MacBook will not charge and will not turn on as a result. Press Shift + Ctrl + Option/Alt keys and the power button at the same time. If your MacBook refuses to turn on, whether that’s a MacBook Pro or Air, there can be a number of possible reasons, including overheating, update glitches or other uncommon reasons that can be easily fixed. Learn More People struggle with loneliness and isolation now more than ever. Verify CarPlay support before buying a car. Apple TV Status Light Blinking and Won't Turn On, Fix. Make sure it isn't a screen issue . Press and hold the Power button for a few minutes till Mac turns off. The first step that you should take is to run a force restart on your MacBook. Turn off the Mac by pressing the Power button. Unplug and then reconnect the power cable. If you here a starting sound or sound of fans. Select this option and then scroll to the bottom of the menu that shows up. The screen is completely back and I can’t hear any of the fans. Adjust your network's settings to factory defaults 9 #7. MSN for Mac OS X marks the first time that the software giant has created a version of the internet service for this version of the Apple operating system. On laptop computers that have Touch ID, press and hold Touch ID. After plugging in a iphone usb charger the macbook pro turned off completely and would not power on. 1 How to Solve MacBook Air Won't Turn On Error 1. Copy and paste the following command onto the Terminal. I assume it’s on and charging because I can click on the trackpad, which I couldn’t do when it was dead. I've been trying for a few days, across a couple restarts, to get it to turn on. If I close the lid and wait a few minutes and open it, then it works. Boot up in Safe Mode: Press the Power button and hold the Shift key until the login screen. It's capable of charging your watch to full charge within two to three hours. MacBook Pro Won't Turn On? Top 10 Solutions. Your Mac may sometimes not respond to the Power button at all, or macOS might crash or fail to start up properly. Got this for $1,099 because I used the student deal! I also am trading in my old MacBook Pro! This is such a great deal considering it would’ve been $1,599. Better still, let it restart twice. Immediately press and hold Command+R. Press and slowly hold the Power button for about 5 seconds. It has all 8 buttons lit and the green button on the charging chord. After 10 seconds release the keys, wait a second and press the power button to see if it turns on. Mac notebook computers have a Brightness Up key on the built-in keyboard. Macbook air m1 2020 not turning on. During this process, Your Mac. This is the first thing you should do when your MacBook Pro is not turning on. Hold them down for a good few seconds. nothing!If your macbook will not turn on try this metho. Give it a few minutes and then try to turn it on by pressing the power button. There could be 3 potential causes why your MacBook Air won’t turn on. 4 million Big Macs are sold every day. · Use a different power cable or adapter. · Restore Mac from a past backup that exists on Time . MacBook Pro turns on, but screen does not. How To Fix An Imac That Won't Turn On. Carefully examine the cable along its full length to see if the charger is intact and all 2. Boot to Recovery Mode Check if you can hear noises from your MacBook, but the screen remains blank. In this way, users can enter the safe mode to handle the Mac issues including MacBook Pro or Air not turning on. Macs aren’t immune to problems. Check out the most important music analytics of Near - Kidnap Remix by Set Mo, Asta, Kidnap across Spotify, Apple Music, Shazam, Beatport, SoundCloud,. Press and hold the power button Press and hold the power button on your Mac for about 10 seconds. You may see the light on the power cable flicker. And data loss happens once you cannot turn on M1 MacBook or M1 Mac mini. Press the Shift-Control-Option, then press the MacBook Air’s Power button. Restart your Mac after the welcome chime press and hold Command and R keys. Make sure that your power cable is undamaged and plugged securely into your Mac and a working Press and hold the power button. Check the power status of your MacBook Pro Press the power button for 10 seconds Reset the SMC Although these fixes are for MacBook Pro, some of them also work for the MacBook Air or iMac won’t turn on issue. Overall, Apple said quarterly revenue rose 8% to $90. MacBook won’t turn on? 12 ways to fix it – IT-Tech Online; 5 5. Is it even off Press and hold the power button for a very long time (>>10 seconds) and then try turning it on again. Press the Shift+Control+Option keys at the left side of the keyboard and the Power button, and hold them all down. However, to power cycle your device, you must. Navigate to the Photos section. Hold the power button for 10 seconds. If there is no startup sound, release the keys after the second time the Apple logo disappears. First, turn off your Mac. Restart your machine then press and hold the Command, Option, P, and R keys at the same time until the grey screen appears. Do you have a problem with your Apple Macbook not turning on? Follow our step by step guide to find a solution or speak to an Apple specialist. - Right after you hear the startup tone, press and hold the Shift key. To trouble shoot further you can: —SafeBoot How to use safe mode on your Mac - Apple Support will sort many anomalies Takes a bit longer to get to the login screen, does a quick disk repair before it fully boots up, and certain system caches get cleared and rebuilt, including dynamic loader cache, font. bhargav192 wrote: My mac Book is turning on for less than five mins what should I do. Clean the port and then try charging. Make sure that it is properly switched off by pressing down the Power Button or Touch ID for 10 seconds. Mac won't turn on anymore; Blegen 2022-07-09 22:49; My Mac won't turn on and won't move at all. Immediately push and hold the option, command ⌘, P, and R keys on your keyboard. The Fitbit Versa 2 costs £199 Turning on versa not working From the Fitbit app dashboard, of your smartwatch tap the Account icon How to Set Up Fitbit Versa 2 (Easy Instructions) Apps (1 days ago) Step 2. Aug 19, 2022 · For a MacBook without a removable battery, press the power button and hold it down for ten seconds. What to Do If Your MacBook Won’t Turn On? (Multiple Methods). I have done all the things suggested in other threads, (turn off Autosave, turn off extensions, uninstall-reinstall, and nothing is working), it's driving me mad. Reset SMC to fix MacBook Air won't turn on after update: Shut down your Mac. Follow these steps to reset the SMC on a MacBook: Connect the MagSafe charger; hold Shift+Control+Option on the left-hand side keyboard and the power button simultaneously for 10 seconds. If your Mac doesn't turn on Check power connections. Next press the power button for 5 seconds and it should power on. If you get three successive beeps, then a five-second pause, and keep repeating, your Mac RAM doesn’t pass a data integrity check. 5 million Big Macs are sold in the Uni. 7 Ways to Fix MacBook not Turning On Issue. Fix 4: Check Your iPhone’s Charging Port. MacBook Air Won't Turn on? Top 6 Fixes That Really …. MacBook Pro not turning on. Start up your Mac after a few seconds. Why Isn’t My iPhone 14 Pro, 14 Pro Max Turning On? Here’s How to Fix If Your iPhone 14 Pro or 14 Pro Max is Not Turning On. To get going, plug in the power cable and then press the Shift + Ctrl + Option/Alt keys and the power button simultaneously and hold them for at . How to Fix the Problem of your MacBook Air Not Turning On. The gate is open, come on in! Become Revolutionary is hosted by Noelle McGough & Charlene Helm, more formally known as "The Challenge Queens". Press the power button to turn on the. Restart your Mac. If you are still having trouble, try the next step. Although Apple's operating system and its components are generally robust, there is nothing infallible. Question: Q: MacBook Pro 2009 won’t turn on. In the top-right corner of your screen, click Control Center, then choose Display to make your Mac darker. You can also turn Stage Manager on or off from the Settings app: Open the Settings app. While the battery is out, press and hold the power button for 5 seconds. Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions. Here's what to do if your Mac won't turn on. (Every Mac has a power button. In "Mist," the London-based producer and DJ picks up where he left off on his 2012 Alphaville EP, exploring vocal samples from the 1965 science fiction drama from Jean-Luc Godard and bears the. Hope the above fixes will resolve the problem and make your MacBook charging normally. Wait a few seconds, and then press the power button to turn on your Mac. Your Mac may sometimes not respond to the Power button at all, or macOS might crash or fail to start up properly. Location Services is turned on for Find My and System. Press and hold the (left side) Shift+Control+Option shortcut and the “ Power ” button. Brian Jones, Jimi Hendrix, Janis Joplin, and Jim Morrison all died at the age of 27 between 1969 and 1971. As Apple says in a support article published here, on MacBook and MacBook Pro systems, you can do this by removing the AC power, taking out the Mac’s battery and then holding down the laptop’s power button for five seconds. For an iMac or Mac mini, unplug the power cable, leave it unplugged for ten seconds, hold the power button down to clear any electrical charges from the circuit boards, and then plug it back in and restart the Mac. But I’m not sure that’s all you’ll. 9 Working FIXES To MacBook Air/Pro Not Turning ON?. Fix 1: Check the power status of your MacBook Pro This is the first thing you should do when your MacBook Pro is not turning on. Press and hold the power button Press and hold the power button on your Mac for about 10 seconds. Un-check where it says Send read receipts. If your Mac doesn't turn on Check power connections. But, you have to turn it on first. Press the Power button to boot your Mac. Select Desktop & Screen Saver. SOLVED] MacBook Pro Won't Turn On or Charge. The Sims 4 Xbox One cheats: Hold down all four shoulder buttons at once. Complete Google sign-in to access the Play Store, or do it later. Mac won't turn on anymore. Unplug all accessories and cables from your MacBook, and then repeat the step above. If not, charge the battery to the fullest. Except the keyboard and mouse, remove any other peripherals attached to your Mac. Fixed: MacBook Pro Booting Black screen. Intermittent issues (as you described in the comments of @pccheese answer, is usually caused by liquid. Press the indicator next to "Set Automatically" to turn on the function. 2 Disconnect Accessories & Peripherals 1. Click the Screen Saver tab and select the Hot Corners button in the bottom-right corner. 0 for Mac Multiport USB C Hub USB 3. My MacBook Pro from 2015 is not turning on. Press and hold the power button for 10 seconds to ensure your Mac returns to its OFF state. Press and hold the power button on your Mac for about 10 seconds. Now release all those keys and the power button at. Restart your machine then press and hold the Command, Option, P, and R keys at the same time until the grey screen appears. ly/2vTvy4K If your Mac won't turn on, Learn wha. My MacBook Pro from 2015 is not turning on. Mac Not Turning On? Take These 8 Steps to Fix It – MacKeeper; 8 8. Any idea what the issue could be so I can get it to boot up normally without having to unplug battery? Any help would be appreciated. It’s not even showing the battery logo. If you wish to fast restart the MacBook Pro on a black or dead screen, forcing a restart will work. Make sure your power cable is undamaged and plugged securely into your Mac and a working Press and hold. so the only way I've found to turn keyboard brightness off is in settings, but that is incredibly inconvenient any suggestions for how to fix this?. But again it is not turning on it’s just showing the battery logo with ⚡️ logo. Check to ensure that your Macbook is connected to a power source if you had not charged it inn a while. Ensure your Mac has power. Press down Command + Option + P + R while attempting to switch on your MacBook. How to Boot MacBook Pro with No Battery Installed · Unplug the MagSafe power cable · Hold down the Power button for 10 seconds and continue to . Like Facebook parent Meta and Snap, Apple is seeing softness in advertising spending. For an iMac or Mac mini, unplug the power cable, leave it unplugged for ten seconds, hold the power button down to clear any electrical charges from the circuit boards, and then plug it back in and restart the Mac. To reset the SMC on a MacBook: Disconnect your MacBook from everything but the power. MacBook won’t turn on? 12 ways to fix it – IT-Tech Online; 5 5. Turn on your Mac. Shop our extensive selection of products and best online deals. My MacBook Pro from 2015 is not turning on. Click to install Westurn: Turn-based Showdowns from the search results. Method 1: Using iBoysoft Data Recovery software - Very. Join the tribe and GET MORE EYES ON YOUR. Listen to Lies About the War by Jacob Banks on Apple Music. What to Do if Your MacBook Pro Won’t Turn On – Alphr; 6 6. 1 As a Closing Remark How does CarPlay work?. If Force Quit doesn't bail you out, try rebooting the computer. Why isn’t my mac making sound? Unplug any headphones or external speakers. This site contains user submitted content, comments and opinions and is for informational purposes only. Turn your Mac back on by pushing the Power button. Hold the Power button for 10 seconds. ) Then press and release the power button normally. Likely there will be corrosion on the bottom of the board. You can also try a "hard" SMC reset. After doing a SMC reset, the light will become green for about two . MacBook Air not turning ON FIX. Do not turn off display mac?. Release all four buttons at the same time, and then press the Power button to turn the. Hold Command + Option + P + R keys while booting Mac to reset NVRAM. Make sure that your power cable is undamaged and plugged securely into your Mac and a working Press. The battery was dead so like always i plugged it in and its been like an hour and it just isn’t turning on. MacBook won't turn on after macOS 13 Ventura update. Try these steps: Restart your Mac with the Shift button pressed. Make sure that your power cable is undamaged and plugged securely into your Mac and a working Press and hold the power button. MacBook Pro 13" A1706 Motherboard Repair due to not turning and it's short to ground. If your Mac doesn't turn on Check power connections. Swap it with a known working cable to help pinpoint the problem. Free download the Mac data recovery software: https://bit. ly/2TL9sKkIf your Mac/Ma. You can also turn Stage Manager on or off from the Settings app: Open the Settings app. Scroll to the bottom of the page and tap Browse. MacBook Pro/Air Won't Turn On or Start? Make it Boot Now. Expand Your Connectivity: Equipped with a USB-C Power Delivery input port, a 4K HDMI port, 2 USB-A data ports, a 3. Release all the keys and the power button at the same time. If you are still unable to fix the Mac Mini not turning on the issue, then you must try power cycling your Mac Mini, as many users previously reported that this helped them to resolve the Mac Mini not turning on issue. Release all four buttons at the same time, and then press the Power button to turn the Mac on. Then, release the keys at once. Hold down these keys and release the Apple logo and welcome notification chimes. Keep pressing the keys until you hear your MacBook restarting. At times, iMac/MacBook Air/MacBook Pro won't turn on happens due to some simple reasons. Reset SMC to fix MacBook Air won't turn on after update: Shut down your Mac. Press the Shift-Control-Option, then press the MacBook Air's Power button. If your Mac has no built-in display, make sure that your external display is connected to power, connected to your Mac, and turned on. Follow these steps to reset the SMC on a MacBook: Connect the MagSafe charger; hold Shift+Control+Option on the left-hand side keyboard and the power button simultaneously for 10 seconds. Moreover, it also supplies some tricks to avoid data loss in such a situation. Unplug all accessories from your MacBook Pro – Everything. Anyone who has used Apple directly for repairs often find themselves shocked by repair quotes as a flat rate to “fix everything. Plug in the laptop and wait at least 10 minutes while the battery charges before starting the MacBook on battery power. If there is no startup sound, release the keys after the second time the Apple logo disappears. Release all four buttons at the same time, and then press the Power button to turn the Mac on. 1 day ago · Turn off your TV and MacBook Air. Press and hold the power button on your Mac for 10 seconds, then press it again. If you don’t have FileVault enabled: Press and Hold the Option key and power on your computer. If your MacBook refuses to turn on, whether that’s a MacBook Pro or Air, there can be a number of possible reasons, including overheating, update glitches or other uncommon reasons that can be easily fixed. If your mac laptop won't turn on, then there is also one possibility that it might be infected with a virus. If you have the pentalobe screwdriver to remove the bottom cover, disconnect the battery, wait about 30 minutes, connect the charger and see if the Macbook powers up on its own without pressing. Tap Home Screen & Multitasking, then tap Stage Manager. This means your display has an issue. Also, is there a reset button on an iMac?. Apple is working on a 16-inch iPad, aimed for an end-of-2023 release. Plug in the laptop and wait at least 10 minutes while the battery charges before starting the MacBook on battery power. When your MacBook Air or MacBook Pro won't turn on, it’s very rare that the problem is with the whole setup — more likely one of the components is misbehaving, which can range from your display to software glitches. This will get your hardware tested and ensure you if your fan is damaged. MacBook won’t turn on? Here’s how to fix it – Macworld; 4 4. The first thing you need to do is to make sure that your MacBook battery has sufficient charge to turn on the laptop. This is an effective fix for your MacBook Pro not working issue. Unexpectedly, your M1 MacBook Pro powers on when putting it inside the sleeve or the computer bag. Get the perfect angle, height, and orientation for any task or to suit any preference, making working from home easier than ever. Start your MacBook in Mac recovery mode. 5 mm AUX port, and microSD / SD card slots. So I tried to turn on my macbook and it didn’t work. That was an improvement from the scant 2% uptick in revenue during its April-June quarter when supply. MacBook Pro not turning on. Press and hold the power button. Macs aren't immune to problems. Find out the Mac drive and then Run First Aid on the disk drive such as “Macintosh HD”. If your Mac doesn't seem to turn on after you press the power button, follow these steps. Make sure your MacBook Pro has enough power. Stream songs including "Just When I Thought", "Won't Turn Back" and more. You can reset the NVRAM in your MacBook Pro by following the given steps: Make sure that your MacBook is shut down completely. when I insert the adapter, it only shows a charging light, but nothing works after pressing the power. Press and hold the Control-Option-Shift keys together. Shut down the Mac device.