mac circle with line through it on boot

I've got 4 drives (and 5 partitions) which just hosed themselves in the B/W - after it froze last night while making a Drive DMG of a fresh install (in 10.2.8) - and on restart, 2 drives disappeared, one corrupted within 90 seconds, and vanished, leaving me with 2, one a data drive, and on the install of Jaguar to that one, it stopped half way, and left me with squat. This option on boot trick works for quite literally any boot volume, whether it’s an external USB drive of any sort, a Thunderbolt hard drive, boot DVD, CD, the Recovery partition, even in dual-boot environments with other versions of OS X, or a Linux or a Windows partition with Boot Camp, if it’s bootable and connected to the Mac it will be visible at this boot manager. Different from the Mac folder with a question mark issue, a circle with a line or slash through it means that your selected startup disk has a Mac operating system that can't be used by your Mac model. Dead. I rebooted as usual and I get a circle with a line through it instead of the Apple symbol. 3. To make it straightforward, Mac does detect an operating system in the startup disk, but it can't boot from that macOS version or build. An EFI (extensi... When I try to boot into OSX, after 30 seconds or so the Apple symbol is replaced by a circle with a line through it. You could try to the reset EFI to see if it helps. 2) After the Apple logo (if the hard drive can mount), it will have a black screen with white text. It’ll probably take about 5 minutes depending on your hard drive size and how it is. A safe boot will prevent your Mac from launching unnecessary programs and login items at startup. Press and hold the Command-Option-P-R keys. Perform the force-restart button presses for your iPhone model, but keep holding the button or buttons even after seeing the Apple logo. I've read the posts regarding this issue and have. When I restart after Safe Boot, I … #5. When I boot holding the Alt key, then select the USB, it tries to boot then just hangs at the gray screen. Alright... first time holding option at startup w/ no install disc in, the Macintosh HD did appear, clicked it, and the same screen came up with the circle. It all went well and the hardware test was accomplished. Image of circle with line through. I am currently running OS X Yosemite and am now trying to update to El Capitan. 1. Select the Recovery HD and click on the downward pointing arrow button. You must have an internet connection to try this option. To do so, follow the steps below: 1. If you can't start up from macOS Recovery Newer Mac computers and some older Mac computers automatically try to start up from macOS Recovery over t... The installation went smoothly, but when I try to boot up the iMac the Apple logo on the gray start up screen is replaced with a crossed out circle (kind of like a do not enter sign.) First, try booting up using Internet Recovery by holding down the Command + Option + R keys until you see the Apple Logo. Hi, I need help. I have Asus computer windows and out of a I get this white pop-up screen with the message jqrszs and there's a code 0.0080 990791... To do this, follow these steps: Start up in Safe Mode. 2. 0. Solution; turn your troubled device into an external drive by pressing the “T” key while startup. Based on your current circumstances, you’ll need to use another Mac in order to repair yours. When trouble comes in this way, check the possible reasons that disable Mac to boot from the cloned drive as it could. Incomplete hard drive clone. If you can't boot to recovery it's possible (and, I believe, likely) that your hard drive mechanism has failed. You should see the Recovery Mode screen on both your iPhone and Mac/PC soon after. 3) Had success starting up in Safe Mode. Be mindful of capitalization, spaces, zeros, etc. 2015 MacBook Pro. If it boots up now, one of those peripherals is the source of the plain white screen problem. Reinstalling OS X using the Recovery HD will only replace system files. This includes everything in /System, but will not modify your personal file... … Anything else I can do? Or, created a bootable USB drive with the Mavericks or El Capitan OS installers. Single User mode is one of the startup modes that Mac can boot into. 1) Start the mac and hold down the apple key (Command) and the S key until the machine starts into Single User Mode. This is the Open Firmware prompt. Problem is, I now have files that I cant erase on it. Regardless of whether I am booting in safe mode it doesn't boot. This mode is disabled in macOS Mojave or later, or when Mac has a firmware password. Now I get a symbol of a circle with a line through it. When i boot up the apple logo shows just fine, and under the apple logo a loading bar appears and a little over half way through the loading, a circle with a line through appears on the screen. Depending on your Mac model, the screen may be gray, black, or very dark. First, try and boot into your Mac’s Recovery partition by pressing Command + R keys or from a Time Machine backup, if available, by pressing the option key at startup. Press Option + Command + R keys when startup until seeing the spinning globe. (Keep your Mac connected to the Internet all the time). When entering into macOS Recovery mode, select Utilities > Terminal. Type the following command to launch iBoysoft Data Recovery for Mac. But it sounds like you're on top of it. Follow the on-screen instructions to back-up to … I added the boot flag -v to boot in verbose. You can release the apple key and the S key. It's time to check if your hard drive has got any problems. If Internet Recovery isn’t an option, try bringing up Startup Manager In addition this series does not support Internet OS recovery services so you'll need to install the OS from either a OS installer CD (grey) or the retail version (picture of a Lion) if you still have these older OS's. This can indicate a corrupt installation of Mac OS X or a failed (or failing) hard drive. I turned on my iMac this morning to be greeted with a grey circle with a line through it on startup. Immediately after you hear the startup … You must press this key combination before the gray screen appears and before the chime sound. You have … If your Mac fails to boot up into Recovery, there are still a few options. Boot into safe mode. 2) Successfully viewed the choice of both of my startup disks. I have added the RtVariables patch to my config.plist (using clover) and have restarted to try and run the "Mac OS X Install" in order to update. MacBook Special Report: Vertical lines appear on screen during startup. Connect an external hard drive to your Mac. Hold the keys down until the computer restarts and you hear the startup sound for three times. Open Dick Utility on the other Mac, select the troubled hard drive and click repair. If you are trying to run MacOS Sierra it won't run. Feb 25, 2010. However, if it fails and your MacBook won’t load, check out other possible ways to wake up your Mac. One is Windows XP and other is Mac OS X. To re-install Mac OS X Mavericks on your Mac you can either create a bootable USB drive or use the OS X Mavericks installer from the Recovery Drive. Open Finder or iTunes on the Mac or PC. Cloned hard drive wasn't properly partitioned GUID and formatted as Mac OS Extended, Journaled. It starts as if it’s going through a start from power off, with the Apple symbol and a progress bar below it. Start by connecting your iPhone via USB to a Mac or PC. The circle with a slash typically indicates that the system can't load boot.efi, or some other issue; if you start the system in Verbose Mode (CMD+V on … 4. When the macOS Utilities screen appears, start Disk Utility. Single User Mode shows a UNIX-style command-line interface that is of great help to fix startup disk issues on MacBook, iMac, or Mac … Occasionally, when restarting your Mac, the computer may stall and not progress any further with the startup process. If your Mac still won’t boot up even with everything unplugged, try and boot in Safe mode (press and hold the shift key while starting up - as soon as you see the Apple logo). Shut down and turn on Mac. 1. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Solution 2: Boot your Mac into Safe Mode. Windows are working fine, but if I click to select Mac OS X at boot screen, it does not do any thing and takes me back to the same boot screen. I put the install cd in, help option at startup, and the disc ejected, then the screen with the Macintosh HD again which led me back to the circle again. Turn on your Mac and immediately press and hold both Command (⌘) and R to start up from macOS Recovery . Sept. 2, 2009 7:25 a.m. PT. I then booted up via TDM over my iBook and it worked fine. If you see a circle with a slash, your macOS system folder is likely damaged. That’s it. Then reboot your Mac. If you're using Mac OS X 10.1.5 or earlier, skip to the next section. If I try single user mode, it stops at a certain point before booting entirely and says "waiting for root device." Hello when I booted up my mac mini 2014 the other day it was saying restore system and when I tried it said cannot install this system,after turning off and on again all I get now is a circle with a line through it? 2. Mac consultants and developers like Verbose Mode when troubleshooting boot problems because they can often trace the issue to a particular line of code that’s causing the Mac to flake out. Intel Mac :: Circle With Line At Startup - Works In Safe Mode. Is there a way to save the system or recover the files? Insert the Mac OS X Leopard Install DVD. As a last resort, back up your Mac then reinstall macOS to fix MacBook Pro booting issues. As bcedit is not compatible with Windows XP, I add following line to the boot.ini file: C:\chain0=”Mac OS X” Now when I rebooted, I got two options at boot. 1. Reboot your Mac and hold down the Cmd-Opt-O-F keys until you get a white screen with black text. Try creating a bootable USB and use that to get into the install, then you can get into disk utility and restore it. Reinstall macOS Using macOS Recovery Mode. Try Safe … 1. Steps are as follows: Step i) Restart the MacBook Pro and press-hold Command + R keys until the Apple logo appears. MacBook :: Won't Start Up - "No Entry Circle With Line Through It". That's why I suggested your hard drive may be failing. 1. MacBook stuck on Apple logo with loading bar could be caused by software conflict or incompatibility. Some MacBook owners have reported an issue where a … Type the following lines exactly as shown below into the Open Firmware prompt. Jul 1, 2012. I had all those problems creating the USB but finally I was able to create it clean and I am able to install from it but just not able to install from booting from it. PowerPC :: Boot Up With No Spinning Circle - Have Apple Change To A Circle With A Slash. Hi Curt, just to clarify since it is possibly a 2009 make it will not have internet recovery, so performing an time machine would be ideal if you h... CNET staff. If I start installation in Verbose, it stops on Missing Bluetooth Controller Transport! I tried: GraphicsEnabler=No and yes, -v –x , but same error every time I also unplug all usb device, only one graphic cable (DVI). To help Mac boot past the O with line through it or , and to fix your MacBook Pro having a circle with slash on startup, you can follow these steps. Step 1. Boot the Mac into macOS Recovery mode. If your Mac like MacBook stuck on the prohibitory symbol screen and can't boot up normally, you can try to boot Mac into macOS Recovery Mode. Booting Mac OS X from cloned hard drive failed! Problem Solved. First, turned your troubled Mac into an external hard drive by pressing the “T” key while starting up. Connect your troubled Mac to... For some reason your booth sector got scrambled. 2. I just recently installed Tiger over target disk mode from my G4 iBook to my 700 mhz G4 iMac. However, I was able to successfully boot into OSX after trying five or so times. 1) Reset the PRAM. You might see the Apple logo, a spinning gear, a spinning globe, a circle with a … 3. 3. Connect your troubled device to another Mac with the same OS or higher. A safe boot feature in macOS and Mac OS X was designed for troubleshooting purposes. At the boot menu choose the macOS Mojave 10.14 beta installer volume to boot from After you have booted from the macOS Mojave 10.14 beta USB drive, you can perform an installation of macOS Mojave beta, run Disk Utility to format or partition a drive, work with Time Machine, use the Terminal, or perform other common tasks from the bootable volume. Use fake software to clone hard drive on Mac. Connect an empty flash drive to the other Mac and create a bootable installer using the steps in this article: The Bottom Line. Creating a bootable USB drive has the fortuitous side effect of creating an emergency backup of the OS. The circle with the line through it means the system can't find a bootable device. Repair Disk using Disk Utility. If your Mac starts up to a circle with a line through it Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off. The flashing question mark or a circle/slash means your Mac can’t find a valid startup disk. It has done this once before, and I used a recovery usb to re-install the OS. 5. So, when your Mac won't boot past the sign of crossed-out circle, simply check, verify, and repair the startup disk with First Aid in macOS Recovery mode. If First Aid succeeds in repairing the errors in the startup disk, you can quit Disk Utility and reboot your Mac as normal. You know the answer already. Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. So, to confirm it, boot your Mac into Safe Mode. The cirlce with the diagonal is called a "prohibitory sign" indicating a critical file/folder is missing, not allowing you to boot up. OS X V10.5 Leopard :: On Restart After Software Update, Apple Logo Is Replaced By Circle With Diagonal Line And Won't Continue. DONE! The last thing is outputs is: I was rebooting my early 2011 MacBook to run a hardware test on system boot using the shift key. Step ii) From the macOS Utilities window, select Reinstall macOS, and press Continue. I boot from pendrive – and start installation, apple logo appears and after a while it stop on circle error. 2. If restarting your Mac with your peripherals disconnected does not work, try this step. Then the circle with a line through it. If you are using an Apple M1 Mac and see this circle with a line through it, the way to boot into M1 Mac Recovery Mode is different. You may also see the circle with a line through it on your Mac if the Macintosh HD is corrupted. 2. A Safe Boot, which starts up your computer into Safe Mode, may allow you to start up your computer successfully using a reduced version of the system software. After a minute or two, it displays the circle with a line through it. Image of osx booting in verbose.

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