After Internet Recovery system won't boot

Completed Internet Recovery of OS X 10.8.X. When system is booted (iMac), a circle with a slash appears. Booting with the Option key depressed lists the OS Partition as well as the Recovery Partition. Selecting either partition results in the circle with the slash being displayed.

Try Mac OS X- Gray screen or prohibitory sign appears during startup.

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A friend bought second hand macbook air mid 2011 with crossed circle on the display, we tried recovery from partition and same thing happened, after internet recovery it stays the same except now it asks for password for boot option, what happened?

A friend bought second hand macbook air mid 2011 with crossed circle on the display and give to me to try to recover the system, I tried recovery from partition and same thing occured, after internet recovery it stays the same-crossed circle after reboot, then we tried to boot from USB with mac os 10.8 on it, it installs something,like it has being finishing installation, rebootes, and now it asks for password for boot option.We have no idea what that password could be.What happened!!!

I forgot to write down my computer specs:
iMac 27 Mid 2011
2.7 GHz Intel Core i5
4 GB 1333 MHz DDR3
AMD Radeon HD 6770M 512 MB
OS X 10.9.2

Btrfs: System won't boot anymore after unclean shutdown

Hi,
I have a problem with my ArchLinux (kernel 3.19.2-1-ARCH).
I have my root partition as BTRFS and no /boot partition.
After an unclean shutdown the system won't boot anymore.
GRUB loads the kernel and the kernel starts but it hangs saying: Mounted /dev/sda3 on real root.
Then, I have to start a Live CD and do:
btrfsck /dev/sda3
After that the system boots correctly.
I've tried adding fsck to the HOOKS in the mkinitcpio.conf file and in fact it tries to fsck the filesystem (but with BTRFS, fsck.btrfs doesn't work...)
What can I do?
Thanks

I'm also having this problem. I tried booting up the netinstall image to debug it, but I can't mount my btrfs volume from there either: mount just hangs. After a while, the kernel goes:
[...] INFO: task mount:612 blocked for more than 120 seconds.
[...] Not tainted 3.19.2-1-ARCH #1
[...] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[...] INFO: task btrfs-transacti:636 blocked for more than 120 seconds.
[...] Not tainted 3.19.2-1-ARCH #1
[...] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
From this post I guessed that I might just need to wait so that I could defrag the volume once it was mounted, but it's been hanging for over 15min now (the message above continues to come up periodically).
Like the OP in the thread I linked to above, my btrfs volume is inside an LVM volume (which is on dm-crypt). Don't know whether that's relevant.
Output of btrfs-check:
Checking filesystem on /dev/pixie/btrfs
UUID: e04cc661-e31a-4dbf-870d-664bc913e34a
found 76855677062 bytes used err is 1
total csum bytes: 72928436
total tree bytes: 2092515328
total fs tree bytes: 1888452608
total extent tree bytes: 104644608
btree space waste bytes: 357251032
file data blocks allocated: 181197139968
referenced 109440282624
btrfs-progs v3.19
dmesg output:
[ 36.824998] Btrfs loaded
[ 36.826713] BTRFS: device fsid e04cc661-e31a-4dbf-870d-664bc913e34a devid 1 transid 98618 /dev/dm-3
[ 46.219014] BTRFS info (device dm-3): disk space caching is enabled
[ 46.259830] BTRFS: detected SSD devices, enabling SSD mode
[ 240.333313] INFO: task mount:539 blocked for more than 120 seconds.
[ 240.335542] Not tainted 3.19.2-1-ARCH #1
[ 240.337795] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 240.340263] mount D ffff8800cf2837f8 0 539 453 0x00000000
[ 240.340277] ffff8800cf2837f8 ffff8800cf2331b0 0000000000013f00 ffff8800cf283fd8
[ 240.340286] 0000000000013f00 ffffffff81818540 ffff8800cf2331b0 ffff8802094f67a8
[ 240.340291] 0000000000000004 ffff8800cf283758 ffffffffa0a2fc91 ffff8802094f67a8
[ 240.340298] Call Trace:
[ 240.340335] [<ffffffffa0a2fc91>] ? set_extent_buffer_dirty+0x71/0xc0 [btrfs]
[ 240.340357] [<ffffffffa0a05796>] ? btrfs_buffer_uptodate+0x56/0x80 [btrfs]
[ 240.340366] [<ffffffff8155e999>] schedule+0x29/0x70
[ 240.340389] [<ffffffffa0a47745>] btrfs_tree_lock+0x65/0x200 [btrfs]
[ 240.340396] [<ffffffff810b4380>] ? wait_woken+0x90/0x90
[ 240.340410] [<ffffffffa09e5cd9>] btrfs_search_slot+0x799/0xaa0 [btrfs]
[ 240.340425] [<ffffffffa09e79f5>] btrfs_insert_empty_items+0x75/0xd0 [btrfs]
[ 240.340446] [<ffffffffa0a47a37>] btrfs_insert_orphan_item+0x67/0xa0 [btrfs]
[ 240.340465] [<ffffffffa0a4a12e>] insert_orphan_item+0x5e/0x90 [btrfs]
[ 240.340482] [<ffffffffa0a4c531>] replay_one_buffer+0x361/0x380 [btrfs]
[ 240.340504] [<ffffffffa0a2f244>] ? alloc_extent_buffer+0x34/0x370 [btrfs]
[ 240.340523] [<ffffffffa0a488f3>] walk_down_log_tree+0x1d3/0x410 [btrfs]
[ 240.340540] [<ffffffffa0a48bfb>] walk_log_tree+0xcb/0x1d0 [btrfs]
[ 240.340558] [<ffffffffa0a507f7>] btrfs_recover_log_trees+0x1e7/0x490 [btrfs]
[ 240.340575] [<ffffffffa0a4c1d0>] ? replay_one_dir_item+0xf0/0xf0 [btrfs]
[ 240.340596] [<ffffffffa0a08b3e>] open_ctree+0x17ae/0x2030 [btrfs]
[ 240.340609] [<ffffffffa09dd633>] btrfs_mount+0x843/0x920 [btrfs]
[ 240.340618] [<ffffffff8117b7aa>] ? pcpu_alloc+0x35a/0x680
[ 240.340628] [<ffffffff811d5d68>] mount_fs+0x38/0x1c0
[ 240.340634] [<ffffffff8117bb05>] ? __alloc_percpu+0x15/0x20
[ 240.340641] [<ffffffff811f116b>] vfs_kern_mount+0x6b/0x120
[ 240.340647] [<ffffffff811f4184>] do_mount+0x224/0xb40
[ 240.340653] [<ffffffff811f4dae>] SyS_mount+0x7e/0xe0
[ 240.340661] [<ffffffff81562809>] system_call_fastpath+0x12/0x17
[ 240.340671] INFO: task btrfs-transacti:561 blocked for more than 120 seconds.
[ 240.342927] Not tainted 3.19.2-1-ARCH #1
[ 240.345175] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 240.348473] btrfs-transacti D ffff88020b88bd98 0 561 2 0x00000000
[ 240.348483] ffff88020b88bd98 ffff880211edc590 0000000000013f00 ffff88020b88bfd8
[ 240.348491] 0000000000013f00 ffff8802162289f0 ffff880211edc590 ffff8802094a70c8
[ 240.348496] ffff8802094d8000 ffff880200000000 ffff8802094d8000 ffff880200000033
[ 240.348501] Call Trace:
[ 240.348511] [<ffffffff811b5d1a>] ? kmem_cache_alloc+0x16a/0x180
[ 240.348525] [<ffffffffa09e07ca>] ? btrfs_free_path+0x2a/0x40 [btrfs]
[ 240.348543] [<ffffffffa0a64213>] ? __btrfs_run_delayed_items+0xf3/0x1d0 [btrfs]
[ 240.348550] [<ffffffff8155e999>] schedule+0x29/0x70
[ 240.348568] [<ffffffffa0a0b555>] btrfs_commit_transaction+0x2a5/0xbe0 [btrfs]
[ 240.348573] [<ffffffff810b4380>] ? wait_woken+0x90/0x90
[ 240.348590] [<ffffffffa0a06fc5>] transaction_kthread+0x1d5/0x240 [btrfs]
[ 240.348605] [<ffffffffa0a06df0>] ? btrfs_cleanup_transaction+0x5a0/0x5a0 [btrfs]
[ 240.348611] [<ffffffff81091748>] kthread+0xd8/0xf0
[ 240.348617] [<ffffffff81091670>] ? kthread_create_on_node+0x1c0/0x1c0
[ 240.348624] [<ffffffff81562758>] ret_from_fork+0x58/0x90
[ 240.348629] [<ffffffff81091670>] ? kthread_create_on_node+0x1c0/0x1c0
Last edited by ouroboros8 (2015-04-02 12:37:25)

System won't boot to USB Recovery Media

I have a Satellite P55-A5312 with pre-installed Windows 8 (upgraded to 8.1), Intel i5 processor and 6GB Ram. I created a set of DVD recovery media and a USB Flash (Toshiba brand 32GB) recovery drive. I set the boot order in BIOS to USB, then DVD, then HDD. Secure Boot is enabled.
Question I have is, how can I verify that the reovery media will boot if needed? If I power on the laptop, neither the DVD nor USB will boot and it goes directly to Windows, which kind of makes sense. If I then restart, the DVD recovery media will in fact boot, but the USB recovery media won't boot. Even if I restart with F12 and choose USB as the boot device, the USB media will not boot. The only way I can get the USB recovery media to boot is if I disable Secure Boot.
I find it hard to believe that USB recovery media will only work if Secure Boot is disabled. What am I doing wrong?
Ken
Solved!
Go to Solution.

Sure would be nice to know what the recovery media boot behavior is suppose to be with Secure Boot enabled...
With a little luck, Peter will stop by and let us know.
-Jerry

Satellite A105-S3611 Recovery DVD won't boot - reverts to HDD boot

Satellite A105-S3611 Recovery DVD won't boot - reverts to HDD boot.
My laptop has had a virus but is now clean but has some lingering effects. So I decided to use the Recovery and Applications/Drivers Media to reinstall the system to factory settings. Pressing the "C" key at the Toshiba screen did not work to choose the boot divice but pressing F12 did work. The problem is the system still boots using the hard disk. I've gone into the boot process and changed the order of boot devices to make sure the CD\DVD drive is chosen first but it does not boot from the CD/DVD. It looks like it begins to read the DVD but the boot process is not executed from there.
Questions:
1. Can I install the system using windows explorer to execute the autorun.ini on the CD/DVD?
2. Is there another option for getting the system to install from the CD/DVD?
Thank you in advance
Roger

I read somewhere on the forum that updating the BIOS may solve the problem. So I updated the system BIOS from v1.40 to v2.0. Then I reinserted the newly purchased recovery DVD and the boot process began with the DVD booting but ended with the message "WRONG MACHINE".
I ejected the recovery DVD that I just purchased and inserted the recovery DVD that came with the machine. This time the machine booted and installed the factory image of the operating system as it should have the first time.
So I am now recovered and the machine works as it did originally. So the moral of the story is you don't necessarily have to buy the new recovery DVD but just update the system BIOS and then try to use the recovery DVD that came with your machine.

2106f Error Code after Internet Recovery Attempt

Anyone ever get a 2106f Error Code after Internet Recovery Attempt? What next?
Background: Macbook Pro (late 2011) shows startup progress bar, goes ~ 1/10th of distance, freezes, then goes black after ~2min. Did this:
1. Clean startup attempt (shift)
2. Zapped PRAM (option command P R)
3. Reset SMC, Startup
4. Attempted Internet Recovery process (Cmd R) over ethernet connection, but after several hours, got the -2106F error.
MacBook Pro 2.2 i7 Late 2011

How long were you able to watch this movie before it crashed?
Now is it everytime you boot up, you get the BSOD 0xc0000001 ?
Can you start up in SAFE MODE?
"Knowledge should be unrestricted and the most important commodity we can offer to help one another."

System won't boot-no chime.

Despite repeated attempts and resetting the CUDA button, the system won't boot when start button is pressed. In the first few seconds it seems to make normal sounds; but no chime and settles into simply fan noise. This is true even if using C (with an Install CD). or Shift key. Is there anything else I can try? (I know it's actually a G3 B&W Motherboard; but I had nowhwere else to post it)

I do not remember exactly what was happening when it stopped. It may have been executing something , hung up, and wouldn't respond to the Command-Opt-Esc or I do remember one incident when it was booting up and stopped when it was partly thru "searching for local discs.
I checked the ref. article and tried to measure the voltages on the power connector. I was never quite sure what pin was what, since the colors did not jive with those in the article. At any rate 2 were approx. + 5 V (one was 4.85), the rest were essentially zero (I believe 1 or 2 were about 300 mv). I did notice that when the power connector is reconnected and start up is attempted, 3 little green lights come on on the motherboard. One goes off after a while.
I have tried the old Sonnet upgrade and have tried reseating all the RAM modules. All to no avail.
The Hard drive and all other parts seemed to be working fine prior to the failure.

System won't boot. INIT: No inittab file found Enter runlevel:

After the latest update that changed how intel ucode is updated, my system won't boot.
I think I missed a line when I edited "/etc/grub.d/10_linux" and ran grub-mkconfig -o /boot/grub/grub.cfg.
Any ideas on how to fix this?
I can't run grub-mkconfig from another machine, as it uses the live kernel info.
Any help would be greatly appreciated. Otherwise I'll have to reinstall

TheSaint wrote:
SyXbiT wrote:
But I still get the error:
system won't boot. INIT: No inittab file found
Enter runlevel:
It seems to me that you've an old Arch version. inittab is deprecated AFAIK.
What is the Arch iso version?
That would probably be mid-2012 at the very latest I think as that's when I remember completely moving over to systemd...
@SyXbiT: Are you using the current Arch install ISO?

System won't boot up

Help please. I have a kt6 delta running an athlon 2700+ xp chip, 512 mb ddr 400.
When I set the fsb at the correct speed for the chip (166) the system won't boot hard drive led lights up constant. dvd drive and cd-r drive each run but the system won't boot. system seems to run fine at default and 133 mhz but the chip is incorrectly identified in windows (xp pro sp1) Any Ideas whats wrong?

Hi - I have the same board with the same processor, I have not problems rebooting after changing the bus speed. But I have had problems rebooting after adding in any card PCI or AGP. the system seems to have trouble clearing the Cmos, I would try clearing the CMOS with the JBAT. it doesn’t always seem to work but I have had some luck, though I have also pulled out the battery a couple of time too..
Good luck!

Upgrade from snow leopard 10.6.8 to montain lion on a iMac system won't boot getting a crossed out circle

Upgrade from snow leopard 10.6.8 to montain lion on a iMac system won't boot getting a crossed out circle

Clean install OS.10.6.8 update it completly. May be you ignored some firmware update.
I have two incedents.
My thunderbolt port stopped working after upgrading to ML 10.8. I booted from external 10.6 , 10.7 still didnt work. Then i clean installed 10.6.8 and ran software update it updated the thunderbolt firmware and all is well now. This firmware update for some reason didnt show up in ML 10.8.
Secondly , when i upgraded my Brother's Macbook from 10.5 to 10.6.3 it would install but stuck with crossed out circle. Then i downgraded checked for update found an efi update , then the 10.6.3 worked fine.

[SOLVED] Switch to systemd - Now system won't boot

I saw that todays update upgrade included the installation of systemd. I looked the wiki and did the necessary changes (I already had made the /etc/hostname etc. files). So I added the
init=/bin/systemd
line to grub and now my system won't boot. I get an error saying something about syslog service not enabled and then a black screen. I can boot my machine fine without the "init=/bin/systemd" line but I want to run a pure systemd system since Arch is moving to it anyway. In the wiki it mentions to install systemd-sysvcompat but it conflicts with initscripts it says. What am I doing wrong or missing?
Last edited by fettouhi (2013-12-08 14:42:04)

fettouhi wrote:
Thanks for the clarification about the DAEMONS list. My DAEMONS list is:
DAEMONS=(!hwclock ntpd syslog-ng !network netfs crond @alsa dbus networkmanager ufw cupsd avahi-daemon samba)
when I try to enable alsa and dbus I get this
[root@andre ~]# systemctl enable alsa-store.service
The unit files have no [Install] section. They are not meant to be enabled using systemctl.
[root@andre ~]# systemctl enable alsa-restore.service
The unit files have no [Install] section. They are not meant to be enabled using systemctl.
[root@andre ~]# systemctl enable dbus.service
The unit files have no [Install] section. They are not meant to be enabled using systemctl.
Is LVM handled automatically by systemd? The reason I ask is because I have the USELVM= set to YES in rc.conf.
I made the permanent transition to systemd and did not start alsa at all - sound works fine - so I never bothered with the alsa-store/alsa-restore service files at all - it just works! Also dbus gets handled by default in systemd so you don't need any starting of dbus service at all... it just works.

System won't boot after update

After installing the latest system update (from Leopard 10.5.1 to 10.5.2) on my Dual Processor PowerMac G5, I was able to restart then within 2 minutes a freeze. I couldn't force quit...had to power done.
Upon powering on, my screen hangs on the gray screen for about a minute (with the clockwise powering up status symbol), then it shuts down on its own. It won't boot into safe mode. In single user mode, it tells me there is a "disk0s2: I/O error" ... Is my hard drive dead? I've tried resetting the PRAM, resetting the PMU button, unplugging all 3rd party devices, but to no avail.
I'm hopeful I can recover files somehow. Where should I proceed? I'm not sure exactly how the internal drives work. Can I, for instance, unplug and remove the top internal drive and place the 2nd internal drive where the top one was and see if i can boot from that drive?? Thereby determining which drive has the issue? Any advice is appreciated.
Thanks so much!
Sean

Can you boot off the leopard DVD and run the disk utility disk verification on the drive? If it's a hardware problem then there's probably not much you can do. If you have a TM backup of your system then you should be ok, since you can replace the drive and then restore your system to it from the TM backup.

My mac is not able to boot after internet recovery

Hi I Own an i mac27 inch which i bought in year 2011. Recently it showed some disc errors and got crashed with a blue screen. I was not able to boot it in a safe mode and had to remove my data via a thunderbolt cable. After removing the data i formatted the hard drive with mac format thinking that would remove the bad sectors. But I realized it wont even start up again in a recovery mode. So i tried to boot it via a bootable USB drive. Now When i press Command+R i get only two options (1. Bootable OSX Drive, 2.Internet connection) None of the options are of any help. Any suggestions??

Hello nachi777,
Thanks for using Apple Support Communities.
From your post it looks like you are trying to reformat your hard drive, but are unable to boot into recovery. Since you have a newer iMac, you should be able to boot to internet recovery. Booting to internet recovery occurs automatically if your startup drive has an issue. If you are seeing boot drive options when starting up, then you may just be holding down the option key on the keyboard. Both options you do see to boot from, should be able to help in reformatting your hard drive.
OS X: About OS X Recovery - Apple Support
Take care,
Alex H.

System won't boot after increased FSB to 166

I have a K7n2 board with AMD 2100+. The system was working fine until, i increased the FSB to 166. Now when i turn on the system, no beep sound and no video at all. There are power to all of the orther components. I cleared the cmos, nothing happen when i powered up. I have another system, with ECS and AMD 1800+. I swapped the CPU between the two systems. Placing the 1800+ in the K7n2, the system boot up fine. But, the board recogninzing the CPU as AMD(tm) Athlon XP 1924 mhz. It is supposed to be only 1.53 mhz. The system run fine. When placing the 2100+ back in, it won't boot.
When placing the 2100+ in the ECS board the computer boot up fine also. I eliminated the CPU problems.
Thanks for any help.

I got it to work now. I reset the safe mode(100 mhz), rebooted, go to the BIOS set to default, and reset the jumper to user mode (default 133). It work fine now.
Ignore the question, thanks.

System won't boot after switching to higher performance

I recently installed snow leopard on my 2009 MacBook Pro. Things have going going very smoothly so far. However, I have had one setback. When switching to a different energy saver mode (either from higher performance to energy saver or vice versa), the computer won't boot back up. It will sit at the blue screen with the spinning wheel. Sometimes the wheel will freeze and the dock and my desktop will show up, but the computer is frozen. This forces me to do a manual shut down. This happens about every other time I try to boot my system into a different energy saver mode. Anybody else have a problem with this?

Hi DPer & welcome to the forums...
Try resetting some of the hardware involved (PRAM~NVRAM). See this Apple KB for details, etc.:
http://support.apple.com/kb/HT1379
Can't hurt to try, and apparently this has helped others recently.
If still no joy, did you update via Software Update or did you download the combo? If you used Software Update, get the Combo updater instead and re-apply:
http://support.apple.com/kb/DL959

After Internet Recovery system won't boot

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