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Os X Boot Commands Not Working


Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the Do you know what Mac system you had installed? The eject key works again. Since this time i have a password of two caracters RAALA What does it mean when my Mac Mini will not enter Startup Mode? have a peek here

It's all highly perplexing. I can't get the computer to boot from the install disk at all. you're out of luck without either passwords, one is a 4 pin number the other one is wtv the user wants. Again, it didn't respond to the key press, and it booted normally.

Command R Mac Not Working

This may happen if the boot drive is a non-standard setup, such as a software RAID array, or if the recovery partition was manually deleted (ie, through modification of the partition Only a few have to be done Before the chime. dede my macbook pro is in safe mode but i can get out of it?

  1. None of these shortcuts seem to be working on my Mac and it boots straight into Mac OS 10.5, any ideas why there not working and how I can get these
  2. share|improve this answer answered Aug 18 '13 at 18:35 Ricardo Sánchez-Sáez 6842925 add a comment| up vote 1 down vote Through experimentation, I found that disconnecting the Apple extended keyboard from
  3. When you are at the installation look for the disk utility in the menu.
  4. How can i factory restore my Mac to MacOsX??
  5. The 10 steps you need to take to get a Mac that won't start up working again.
  6. I've seen issue's where bluetooth keyboards wont give commands until OS X is fully loaded.
  7. If possible try to use a different display, or a different adaptor (use DVI instead of VGA, for example).
  8. How do I start in Safe Mode, and how do I boot from the OSX install disk?

Command-Option-P-R Reset NVRAM.Release the keys after you hear the startup sound again. Don't know if anyone has any ideas. Recovery Mode is possible thanks to the installation of a hidden recovery partition on your Mac's hard drive, and allows the user to perform the aforementioned tasks without needing an OS Os X Internet Recovery Good point.

You can begin using the terminal once the boot process finishes and you see root# on the screen. Macbook Pro Recovery Mode Not Working i have to keep my old keyboard laying around any time i need to hold the C key or start in SU mode, etc. No Windows here..Click to expand... If Recovery Mode doesn't work, you could be looking at a hardware failure.

Resetting NVRAM Shut down your Mac. Mac Boot From Cd If you have, this can stop any startup keys responding, although it should prompt for a password to be entered. However, the key presses worked just fine when I got the machine, which came with the aluminum keyboard. Adam Thanks for that TekRevue, did the trick.

Macbook Pro Recovery Mode Not Working

Sep 3, 2012 5:29 AM Helpful (0) Reply options Link to this post by Richard Dickins, Richard Dickins Sep 3, 2012 12:32 PM in response to Shootist007 Level 1 (0 points) If using more than one monitor in a "daisy chain", unplug all monitors and test using just one. Command R Mac Not Working If the iMac's drive is still working, you should see it mount on your MacBook Pro, much in the same way as connecting an external hard drive to your MacBook Pro. Mac Startup Manager I found that the USB Apple aluminum keyboard would not activate the boot options.

I also inserted the disk, clicked on Install OS, and had the system reboot through the program, and that still didn't work. I was so freaked out at the time after trying everything possible (info from Apple support site & other net places). mohawkpoint Yup. The Mac Startup Manager works great if you have a number of boot options from which to choose, but your Mac also recognizes a few additional startup keys that direct it Mac Option Key Boot Not Working

But instead of finishing the boot and bringing you to the default OS X login GUI, it gives you a text terminal which can be used for everything from advanced troubleshooting Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site. Read more: Resetting the System Management Controller How to fix a Mac that won't start up: Step 8-Target disk mode This step should be taken prior to Step 9 and it Check This Out OS X offers a similar mode called Safe Boot. Just as with its Windows counterpart, OS X Safe Boot should be used to help troubleshoot issues that may be caused by corrupt

Note that regardless of the versions shown in the screenshots, the fixes in this article apply to most recent versions of Mac OS X or macOS Sierra, including Mac OS X Mac Recovery Mode Not Working But when it tries to boot up windows - the keyboard starts to work (Capslock green light works). This is largely a last-ditch attempt to fix the current version of Mac OS X or macOS Sierra before attempting to recover the data and moving on to re-installing OS X

TekRevue Have you tried not connecting to any network during initial boot?

Lyn Bowker Hi and thank you! I might add that my issue wasn't apparent until a failed attempt at reinstalling a new boot camp partition with Windows XP (I'd deleted my old one, for a hal.dll error). Privacy Policy Terms of Use Sales and Refunds Legal Site Map Contact Apple Open Menu Close Menu Apple Shopping Bag Apple Mac iPad iPhone Watch TV Music Support Search Shopping Mac Boot From Usb But if you wish you'd backed up your Mac then now is the time to see what you can salvage from the machine.

Hold down all of these keys: Command, Option, P and R, and turn on the Mac. When triggered, Safe Boot will force a check of your startup volume's integrity, load only the minimum required OS X kernel extensions, disable all user fonts, clear font caches, and disable See:Use Recovery mode to restore your Apple Mac computer. share Share on Twitter Share on Facebook Email Link Like + Quote Reply sebf, Mar 24, 2008 sebf thread starter macrumors member Joined: Oct 25, 2006 Location: UK #3 Cerebrus' Maw

You won't want to use Safe Boot day-to-day, of course, as many common and useful functions are not available in this mode, but it is an essential step in troubleshooting your However, there may be times when this will not work, and instead of loading the recovery tools the system boots to the standard OS X installation. Hopefully you have got enough data from your Mac so as to be able to back up, or continue working on a new Mac. I even did an erase and install (and later restored with Time Machine, pretty cool how that works).

share Share on Twitter Share on Facebook Email Link Like + Quote Reply Rower_CPU, Jan 29, 2008 Rower_CPU Moderator emeritus Joined: Oct 5, 2001 Location: San Diego, CA #20 Same issue You'll also want to make sure you preform a PRAM reset after you replace your Mac's hard drive, unless you like waiting five minutes for the system to boot while it If so, how is your other Mac or PC connected? METHOD 2 Download rEFIt and install it.

Ask Different works best with JavaScript enabled Got a tip for us? share Share on Twitter Share on Facebook Email Link Like + Quote Reply wilfried, Feb 22, 2008 wilfried thread starter macrumors member Joined: Jan 9, 2008 #21 I thought I'd check Privacy Policy Terms of Use Sales and Refunds Legal Site Map Contact Apple Open Menu Close Menu Apple Shopping Bag Apple Mac iPad iPhone Watch TV Music Support Search Shopping The worstpart about a non-starting Mac is not knowing what's caused the problem: there are lots ofthings that can go wrong and cause a Mac to refuse to start.

i had to install drivers and an update for this keyboard... I'd really thought the failed XP install had killed my system for good. No that will only reset the SMC. Do you have another keyboard you can test with?

Thank you in advance canexpat Your MBP Retina has a faulty logic board and is probably covered under an extended warranty program.