Under After running any of these commands, do not attempt to continue the boot with the exit command. Starting daemons under Note: after this command finishes, several of the things it triggers will print messages on the screen, possibly mixing in with whatever command you're trying to type, and making things generally confusing. Also, one of the messages may imply that lookupd has failed; don't worry, it seems to get restarted normally.
It does not, however, start the Aqua interface; it leaves you with the single-user command line when it's done. Don't even try to get a word in edgewise; I just wait until it finishes it'll print "Startup complete.
Your Mac doesn’t start up? We may be able to fix that
The second line from the top of the screen may contain gibberish, and the keyboard arrow-keys may not work use control-characters instead but other than that it works normally. Handy if the system can't boot properly because of a Netinfo configuration problem. Note: do not use this form of the nicl command after starting the netinfod server either manually or with SystemStarter.
Useful to find out what happened to get you into this mess. Useful to find out which procedure to use to start system daemons. If you delete this file, the Setup Assistant will run on the next reboot, allowing you to create a new local admin account, re-setup networking, etc.
Moving or renaming this directory will force the OS to build a default set of network settings on the next reboot i. If your network settings get hosed to the point where the computer won't boot, this is the easy way out. When in doubt, look both places. Disk utility did a disk repair and it said after three attempts that the disk cannot be repaired and I should restore data and reinstall my OS.. I restarted and it took me to safe reboot mode. What do I do next? My data is extremely important to me as I have no backup of anything for the past 4 years.
Help please!!! Boot the computer in target disk mode start up while holding down the letter T on the keyboard. When booted this way, your computer behaves just as though it were an external Thunderbolt or FireWire hard drive.
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You can now use a Thunderbolt or FireWire cable to connect your computer to another Mac, and if the internal drive is working sufficiently well it will mount on the screen of the other Mac as an external drive. You can then copy all your data to another external drive. Purchase a copy of Disk Warrior aloft. It comes on a bootable DVD that you can use to boot your computer…it will boot directly into the Disk Warrior program. You can then use Disk Warrior to run a diagnostic on the internal drive. Disk Warrior will create a brand new, optimized directory for the drive in RAM, then display a preview image of the repaired drive on screen…all without attempting to write anything on your actual drive to prevent any further damage from occurring.
If you attach another hard drive, you should be able to copy all of your data from the internal drive to the external. If those methods fail, I strongly urge you to get your computer to a professional disk recovery company so they can recover your data. Once you have your data safely recovered to an external drive, install the replacement drive in your MacBook Pro and install OS X preferable the same version you were running. If you were able to recover your data using 1 or 2, you should then be able to use Migration Assistant to restore your data and programs to the new disk.
If you had to use a data recovery company, you may have to copy the data to the new drive manually because it may not be organized on the recovery drive in the same way it was on your original drive. Daryl you are a life saver!!! Rebooting in single user mode saved it. I tried your suggestion and says its fine.. To do that. Restart your Mac. Once you hear the startup chime, being holding down the Option key on the keyboard. Under Mac OS X So with a wireless keyboard, if you see the gray apple, turn off the computer, start up again, and wait slightly longer before pressing the Option key.
When you see the gray screen with icons for your internal drive and the Recovery Disk, use your mouse or arrow keys to select the Recovery Disk , then press the Return key to boot from that disk. Follow the prompts to reinstall OS X. This will not affect your data or programs…it just reinstalls OS X itself, correcting any issues with your existing installation.
If you see that in Disk Warrior, you should boot from another disk, copy off your files, replace the hard disk, and restore the files. It should then boot and go to login. This is courtesy of qwea44 on youtube and it works at least long enough to back everything up. When i reboot by holding option key it takes me to the screen with only one big icon of Macintosh HD. No recovery disc or anything.
When i click on it it goes strain to blue screen with the loading wheel.
macbook pro - How can I unlock single-user mode? - Super User
What do i do next? Hi Sir, Any update on our product inclusion in the above article? Just let me know if you got time to review the app. Or if you want to review the latest v2. So I have multiple MacBook problems going on the latest resulting from my own stupidity. I have an old MacBook pro Intel core duo processor running snow Leopard. Or at least it was. Once the computer restarted it brought me to my regular login page. I would go to login it would accept the password and then loop right back to the login page.
Login loop, login, loop. Tried a command in SUM to get me running 32bit again. Tried holding 32 while I boot to no avail. Now it says the volume is ok each time. Computer cannot boot via safe mode.
Conclusion
Single user mode works but I am limited to seeing only the very top of the screen. While booted that way, you should have access to your internal drive…so immediately back it up in its entirety. Hello Daryl, First I like to thank you for the useful lessons I get from your support.
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The screen turned black and I have not been able to boot the MBP up. Whatever I do, after a short screen with Apple logo and spinning wheel the screen goes grey and freezes. I tried all the start up options with the same result. Also the original install DVD does not work. Only thing that seems to be working is the Single User Mode. The online Apple extensive hard ware test came back clean.
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Do you please have any suggestions how I can get the MPB booting again and running? Thank you so much, Best regards, Frans Kemper. Have you tried booting in Safe mode? Start up your Mac and immediately begin holding down the Shift key on the built-in keyboard. Keep holding down the Shift key until you see a status bar at the bottom of the screen below the gray Apple. Safe booting disables third party software that loads at startup time, and also rebuilds the Launch Database stored on your hard drive. Let me know what happens, Frans.
Can you point me in the right direction? That tells me the directory for the drive the index that lets the drive find the files requested is damaged badly enough so that it was beyond the capability of FSCK to fix. Once Data Rescue locates all the files it can, it asks you to select another drive to which the files will be copied.