No BOOT after 10.8.3 UPDATE

Hi after updating to 10.8.3 i'm stucked in the grey boot screen.
Booting in verbose mode shows me
disk0s2 : media is not present
in single user mode if i launch fsck -yf it shows me:
Failed to issue COM RESET succesfully after 3 attempts. Failing..
disk0s2: no suck device
update/reload mount for / failed: Device not configured
The only way to make the system active is to boot with TARGET option and select the disk.then it boots properly..
any help how to fix that s°*T of update?
Thank you

Hold Command and R keys while your Mac is starting to start in Recovery HD. Then, open Disk Utility, select your OS X partition on the sidebar and verify the disk. Is it OK? If not, repair it.
If it doesn't show any problem, the update damaged the operating system. Close Disk Utility and reinstall OS X. You won't lose anything you had stored before updating.
Sometimes, problems like this happen after a OS X update, and we don't know exactly their reasons. Maybe a third-party extension, maybe a corrupted OS X package, maybe a hard disk failure. To prevent problems like yours, I recommend to install a maintenance update as OS X 10.8.3 downloading the Combo version from the Apple webpage. This version gives less problems than the version you download from the App Store and it can be used to update all your Macs downloading that update once

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Kernel panic on first boot after 10.6.8 update

Hi,
Here are the fact:
1) I systematically get a kernel panic on first boot after an attempt to update to 10.6.8 (was able to revert to 10.6.7 using Time Machine; now I'm running my tests on a clone). While doing the update, there are NO USB connexion to my laptop, nor ethernet connexion. Only the power cable.
2) I DO NOT use the software Hands Off which is known to cause such an issue
3) I've tested this on two different hard drive (with a clone of my system)
4) I disabled all third app on startup just to be sure this wasn't a conflict problem
5) After a kernel panic, I'm always able to boot in safe mode
6) I did try both the normal update and the combo update (same result)
Now I'm kinda stuck. The next test I'm thinking performing is to update while in safe mode. But I don't know if it will help.
And yes, my permissions are all fine. Any idea how to troubleshoot this? I believe I need to be in 10.6.8 in order to update to Lion?
Many thanks in advance!
Parneix

Hi,
Sorry about that. Below you'll find the log of my latest kernel panic.
I did follow instructions suggested by user "ds store". The only "kext" file that I've got (by running the commands in the Terminal) was related to the software LittleSnitch. I downloaded it again in order to run the uninstaller. I'll try again to update to 10.6.8 under those conditions and report here.
Mon Jul 4 11:00:32 2011
panic(cpu 0 caller 0x2abf6a): Kernel trap at 0x57cf1b5a, type 14=page fault, registers:
CR0: 0x8001003b, CR2: 0x00000000, CR3: 0x00100000, CR4: 0x00000660
EAX: 0x00000000, EBX: 0x096b8100, ECX: 0x01500000, EDX: 0x00000001
CR2: 0x00000000, EBP: 0x57dd3df8, ESI: 0x00000001, EDI: 0x096b8100
EFL: 0x00010206, EIP: 0x57cf1b5a, CS: 0x00000008, DS: 0x00000010
Error code: 0x00000000
Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x57dd3be8 : 0x21b837 (0x5dd7fc 0x57dd3c1c 0x223ce1 0x0)
0x57dd3c38 : 0x2abf6a (0x59e3d0 0x57cf1b5a 0xe 0x59e59a)
0x57dd3d18 : 0x2a1a78 (0x57dd3d30 0x10001 0x57dd3df8 0x57cf1b5a)
0x57dd3d28 : 0x57cf1b5a (0xe 0x9790048 0x9790010 0x10)
0x57dd3df8 : 0x57cf1951 (0x96b8100 0x57cf1f64 0x57cf1f5c 0x7d22fc0)
0x57dd3e18 : 0x543f60 (0x96b8100 0x6c03f00 0x1 0x506b76)
0x57dd3e78 : 0x542137 (0x6c03f00 0x96b8100 0x7d28a00 0x9791da0)
0x57dd3f28 : 0x5426e9 (0x6c03f00 0x7d20340 0x0 0x516766)
0x57dd3f78 : 0x5443d5 (0x6c03f00 0x8 0x57dd3fac 0x1)
0x57dd3fc8 : 0x2a179c (0x9773aa0 0x0 0x2a17ab 0x7c1b000)
      Kernel Extensions in backtrace (with dependencies):
         com.apple.iokit.CHUDKernLib(3)@0x57cf0000->0x57cf3fff
BSD process name corresponding to current thread: kernel_task
Mac OS version:
10K540
Kernel version:
Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386
System model name: MacBookPro5,5 (Mac-F2268AC8)
System uptime in nanoseconds: 54454580752
unloaded kexts:
(none)
loaded kexts:
com.Cycling74.driver.Soundflower          1.5.1 - last loaded 54075922238
com.Logitech.Control Center.HID Driver          3.2.0
at.obdev.nke.LittleSnitch          2.2.05
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.iokit.CHUDUtils          3
com.apple.driver.AppleIntelYonahProfile          14
com.apple.driver.AppleMikeyHIDDriver          1.2.0
com.apple.iokit.CHUDProf          3
com.apple.driver.AppleUpstreamUserClient          3.5.7
com.apple.driver.AppleIntelPenrynProfile          17
com.apple.driver.AppleMikeyDriver          2.0.5f13
com.apple.driver.AppleHDA          2.0.5f13
com.apple.driver.AppleGraphicsControl          2.10.6
com.apple.driver.AppleMCCSControl          1.0.20
com.apple.driver.AppleIntelNehalemProfile          11
com.apple.driver.AirPortBrcm43xx          423.91.27
com.apple.driver.AudioIPCDriver          1.1.6
com.apple.nvenet          2.0.17
com.apple.driver.AppleBacklight          170.0.46
com.apple.kext.AppleSMCLMU          1.5.2d10
com.apple.driver.SMCMotionSensor          3.0.1d2
com.apple.driver.AppleIntelMeromProfile          19
com.apple.driver.AirPortBrcm43224          428.42.4
com.apple.driver.ACPI_SMC_PlatformPlugin          4.7.0a1
com.apple.driver.AppleLPC          1.5.1
com.apple.GeForce          6.3.6
com.apple.filesystems.autofs          2.1.0
com.apple.driver.AppleUSBTCButtons          201.6
com.apple.driver.AppleUSBTCKeyEventDriver          201.6
com.apple.driver.AppleUSBTCKeyboard          201.6
com.apple.driver.AppleIRController          303.8
com.apple.driver.AppleUSBCardReader          2.6.1
com.apple.iokit.SCSITaskUserClient          2.6.8
com.apple.iokit.IOAHCIBlockStorage          1.6.4
com.apple.BootCache          31.1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.driver.AppleUSBHub          4.2.4
com.apple.driver.AppleFWOHCI          4.7.3
com.apple.driver.AppleEFINVRAM          1.4.0
com.apple.driver.AppleAHCIPort          2.1.7
com.apple.driver.AppleUSBEHCI          4.2.4
com.apple.driver.AppleUSBOHCI          4.2.0
com.apple.driver.AppleHPET          1.5
com.apple.driver.AppleSmartBatteryManager          160.0.0
com.apple.driver.AppleRTC          1.3.1
com.apple.driver.AppleACPIButtons          1.3.6
com.apple.driver.AppleSMBIOS          1.7
com.apple.driver.AppleACPIEC          1.3.6
com.apple.driver.AppleAPIC          1.4
com.apple.driver.AppleIntelCPUPowerManagementClient          142.6.0
com.apple.security.sandbox          1
com.apple.security.quarantine          0
com.apple.nke.applicationfirewall          2.1.12
com.apple.driver.AppleIntelCPUPowerManagement          142.6.0
com.apple.iokit.KLog          2.4.5
com.apple.iokit.IOSurface          74.2
com.apple.iokit.IOBluetoothSerialManager          2.4.5f3
com.apple.iokit.IOSerialFamily          10.0.3
com.apple.driver.AppleHDAHardwareConfigDriver          2.0.5f13
com.apple.iokit.CHUDKernLib          3
com.apple.driver.DspFuncLib          2.0.5f13
com.apple.driver.AppleSMBusController          1.0.10d0
com.apple.iokit.IOAudioFamily          1.8.3fc2
com.apple.kext.OSvKernDSPLib          1.3
com.apple.driver.AppleHDAController          2.0.5f13
com.apple.iokit.IOHDAFamily          2.0.5f13
com.apple.driver.AppleBacklightExpert          1.0.1
com.apple.nvidia.nv50hal          6.3.6
com.apple.iokit.IOFireWireIP          2.0.3
com.apple.iokit.IO80211Family          320.1
com.apple.iokit.IONetworkingFamily          1.10
com.apple.driver.NVSMU          2.2.7
com.apple.driver.AppleSMC          3.1.0d5
com.apple.driver.IOPlatformPluginFamily          4.7.0a1
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.iokit.AppleProfileFamily          41
com.apple.NVDAResman          6.3.6
com.apple.iokit.IONDRVSupport          2.2
com.apple.iokit.IOGraphicsFamily          2.2
com.apple.driver.AppleUSBMultitouch          207.7
com.apple.driver.BroadcomUSBBluetoothHCIController          2.4.5f3
com.apple.driver.AppleUSBBluetoothHCIController          2.4.5f3
com.apple.iokit.IOBluetoothFamily          2.4.5f3
com.apple.iokit.IOUSBHIDDriver          4.2.0
com.apple.iokit.IOUSBMassStorageClass          2.6.7
com.apple.iokit.IOSCSIBlockCommandsDevice          2.6.8
com.apple.driver.AppleUSBMergeNub          4.2.4
com.apple.driver.AppleUSBComposite          3.9.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice          2.6.8
com.apple.iokit.IOBDStorageFamily          1.6
com.apple.iokit.IODVDStorageFamily          1.6
com.apple.iokit.IOCDStorageFamily          1.6.1
com.apple.driver.XsanFilter          402.1
com.apple.iokit.IOAHCISerialATAPI          1.2.6
com.apple.iokit.IOSCSIArchitectureModelFamily          2.6.8
com.apple.driver.AppleFileSystemDriver          2.0
com.apple.iokit.IOUSBUserClient          4.2.4
com.apple.iokit.IOFireWireFamily          4.2.6
com.apple.iokit.IOAHCIFamily          2.0.6
com.apple.iokit.IOUSBFamily          4.2.4
com.apple.driver.AppleEFIRuntime          1.4.0
com.apple.iokit.IOHIDFamily          1.6.6
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.TMSafetyNet          6
com.apple.kext.AppleMatch          1.0.0d1
com.apple.driver.DiskImages          289.1
com.apple.iokit.IOStorageFamily          1.6.3
com.apple.driver.AppleACPIPlatform          1.3.6
com.apple.iokit.IOPCIFamily          2.6.5
com.apple.iokit.IOACPIFamily          1.3.0

Will not start even in safe boot after installing latest camera update

MacBook Pro will not start even in safe boot after installing latest camera update.
I started my machine and did a software update. Only the camera update needed. So installed and when required I pressed restart. It restarted and did install. Then restarted again. I expected to get to the login screen and it turned itself off. Tried three more times. Each time shutting off. I unplugged everything, and pressed start waiting for log in window. No it shutdown before the log in window. I then tried safe mode and that did not work either on three more occasions.

I have managed to resolve some issues. I can now restart the machine via a CD boot. If I do cmd C into something like tech tool pro, then restart from that disks menu it restarts every time.
If I try a safe start it shuts down. If I try a normal start it shuts down. I have managed to repair permissions and that cleared up some start up permissions but with no improvement to the boot problem. The only way to load is via the cmd-C boot option. Any other ideas?

Imac won't boot after 10.6.8 update

Not sure where to start with this...
Just tried to boot after the latest 10.6.8 update and have the grey screen with the spinning disk.

I would suggest that you do the following as a start:
Repair the Hard Drive and Permissions
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If the drive is OK then download the Mac OS X 10.6.8 Update Combo installer and reinstall the update. See if that resolves your problem.
If the above does not fix the problem then you will need to reinstall Snow Leopard:
Reinstall OS X without erasing the drive
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If the drive is OK then quit DU and return to the installer. Proceed with reinstalling OS X. Note that the Snow Leopard installer will not erase your drive or disturb your files. After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
Download and install the Combo Updater for the version you prefer from support.apple.com/downloads/.

HT6114 MAC Air slow to boot after 10.9.2 update.

I have a 2011 MAC Air. After the 10.9.2 upgrade my laptop takes about 20 minutes to boot from power off. Once started it works fine, it is just extremely slow to boot. Prior to the update I could boot in about 10 seconds. Any thoughts how to resolve this issue?

Try these in order testing your system after each to see if it's back to normal:
1. a. Resetting your Mac's PRAM and NVRAM
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2. Restart the computer in Safe Mode, then restart again, normally. If this doesn't help, then:
     Boot to the Recovery HD: Restart the computer and after the chime press and hold down the
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When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu. Select Restart from the Apple menu.
     Reinstall the 10.9.2 update: OS X Mavericks 10.9.2 Update (Combo).
4. Reinstall Lion/Mountain Lion, Mavericks: Reboot from the Recovery HD. Select Reinstall Lion/Mountain Lion, Mavericks from the Utilities menu, and click on the Continue button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.
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It just stays on the apple screen during boot after entering pw for account.
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Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
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My Mac Pro won't boot after installing the latest update

Im running the latest OSX on my mac and recenty did a small updated that i believe contain a few security thing and bug fixs but when restarting the machine after the update it would not boot again after the apple logo has appeard apple script is displayed on the screen contain what i think is boot script failing to run. I have been able to boot the system in safe mode. does anyone have and solution for this as i realy don't want to reinstall the OS
Thanks

The most common cause for "Won't boot after software Update" is Directory Damage that existed before the Update, but was made worse by adding files during the Update.
The most common cure for that Directory Damage problem is to boot in Safe Mode, which takes five minutes to repair the disk, then comes up demanding your username and password, even if you normally auto-login.
Rarely, third-party add-ons are made obsolete by an update. In this case, booting in Safe Mode (with few Apple extensions and NO third-party extensions loaded) works fine, even if normal mode does not work.
Have you tried normal mode again after your Safe Boot?

How long is an 'abnormally long' time to boot after 10.4.8 update?

How long is too long to wait for my macBook Pro to take to boot up after installing the latest update?
An hour?
2 hours?
A day?
I installed from Automatic Updates and shutdown rather than restart. Came abck hours later turned on powerer and waited and waited. After about an hour I tunred it off booted from the install CD, ran the disk utility, fixed a few permission and rebooted...
Should I take it in to the Apple Store tomorrow morning if this continues or reinstall the OS and start over?

Hello dn:
As an aside, comparing Windows to OS X is like
comparing a plow horse ready for the glue factory to
a thoroughbred race horse. I use both every day and
have for years, so I have vivid daily comparisons.
Now then, as I indicated above, you probably caused
the problem by interrupting the software update
process. At a guess, you have clobbered directories
(you, not Apple). The first step would be to run
repair disk from your software install DVD (boot it,
holding down the "C" key). Repair disk is found in
the disk utility. If that works, you should be back
to the point where you can reinstall the combo
updater. There is also an excellent third party
program (mentioned above) called DiskWarrior (pricey
at about $90, but worth it if it saves the day).
If none of that works, you probably should do an
archive and install:
http://docs.info.apple.com/article.html?artnum=107120
A good back up/retreat strategy is just good
computing practice whether or not you are a computing
professional. There are several approaches. I make
bootable clones of all my iMacs on an external
firewire drive using a little program called
SuperDuper (&28 at www.shirt-pocket.com). The
bootable clone gives me almost complete protection
against hardware or software problems.
By the by, these forums are user-to-user. Everyone
is a volunteer - not an Apple employee. Apple
monitors/moderates the forums and provides an
excellent resource. If you are new to Macs (as your
post seems to indicate), you should spend some time
browsing the forums and using the tools available -
including the excellent library of knowledge base
articles.
Barry
OK, So I'm a cry baby.
But I do not buy your argument that it was all my fault. After I inrterupted the hour ling gray screen and ran and fixed a few previlige problems and tried again over 2 hour went by with nothing but the gray screen.
Archive and intall did get me back and running, but by now 4 -5 hours of my life are gone that I want back!
And the tone on this whole board seems to be we MacBook owners, who unsupectingly trusted Apple and let the Automaitic Software Update have its way with a computer that was functioning just fine, the result of which is a computer that needs to have the OS reinstalled, are at fault for having poor prior knowledge?
I bring up Microsoft because they are BAD. They have an OS that allows 3rd parties to install code to render your computer useless at best, a robot of evil at worst.
Yet here we have the Apple, a trusted known entity and the manufacture of not only the hardware but the OS handing us an install that should have just WORKED.
So al I can think is the Delta install is the culprit, since I had previously been on 10.4.7 and the Archive & Install put in 10.4.6. The Combined installer is ok.
Again MacBook owners are victimized for keeping current?
Some one at Apple deserves a dummy slap at least.
MacBook owners represent the "Switchers". They bought on style and a promis of stability and reliability. Not the allure of becoming UNIX Geeks or even Uber User or browsers of forums. They came from that dull gray world out there where viruse roam but if you let automatic updates run and loaded up with antiv virus and spyware scanners, things pretty much worked.
I'm not new to mac as I have been usinge them since I shelled out $3,500 for a Mac SE. (Don't laugh). I gave up however being a Uber User and I at least am tenaciouse enought to find this discussion board. I suspect there are going to be a lot of busy Mac "Geniouses" for the next few days as ordinary computer users stream in with MacBooks with gray screens.
You know Sony support totally *****, but they are rated the best on the PC side for customer satisfaction. Why? You almost never have to seek support from Sony.
Again I'm just ******** 'casue it happend to me on a new laptop that was bone stock. Its working now so problem solved.

Won't boot after 10.5.2 update (external HDD)

it boots fine with 10.5 from my external USB HDD
after 10.5.2 update, it hangs at the apple logo grey screen with gear spinning
PS: boot from external USB HDD

I have had the same problem and have so far (despite the autofsd suggestion) had no success fixing it. This is on a completely clean installation (which booted fine) with the latest updates including 10.5.2 (which doesn't boot at all).
I have installed Mac OS X on external (USB and Firewire) drives before without any problem and I wanted a development environment for some work I am doing on Aperture 2 (so I need 10.5.2) without running the risk of messing with my existing installation of Aperture 1.5.
The drive itself is the very drive the machine came with so that shouldn't be an issue, although it is of course, now in an external (powered) enclosure.
Playing with the autofsd plist (and also renaming /usr/libexec/autofsd) has had no effect.
I'll try the ps suggestion and see what that turns up.

Computer won't boot after installing latest iTunes update

Won't boot after the apple screen. Turns black and disk stops Help! Was running Mavericks.

Hi Neodoc,
Welcome to the Apple Support Communities! I understand that your MacBook Pro will not boot past the Apple logo. There may be a few troubleshooting steps I would recommend for this situation. The following article outlines the steps to perform to get this resolved for you.
Mac OS X: Gray screen appears during startup
http://support.apple.com/kb/ts2570
I hope this helps,
-Joe

Mac Mini Won't Boot after 2008 008 Security Update

I have 2 mac mini's both identical systems - ran the security update at home - rebooted and noticed the movements of the mouse and the mail application was 1/2 to a second slow/behind - decided to restart - it took 3 restarts and it finally came back and then locked up
I ran Disk Warrior and version 4.0.1 could not fix the problem - version 3.0.3 said it could and replaced the directory - but upon restart it would not boot - I became mesmerized by the spinning dial
I will not run the update at work and had to substitute my titanium at home in the meantime
ugly...

Hi thecincykid, and a warm welcome to the forums!
If you have another Mac around, try FW Target Mode, which will turn your iMac into an External Firewire Drive...
http://docs.info.apple.com/article.html?artnum=58583
To either reapply the Security update, or the big Combo update...
The combo update for PowerPC-based Macs...
http://www.apple.com/support/downloads/macosx10411comboupdateppc.html
The combo update for Intel-based Macs...
http://www.apple.com/support/downloads/macosx10411comboupdateintel.html
Repair Permissions before & after re-install, then reboot again each time.

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Has anyone else had problems with booting to 10.8.4? I have a 2012 15" MBP with dual boot 10.8.4 and Win 8 via BC on a single Seagate Thin SSHD 1TB. Win 8 will boot but the OS X drive will not even mount during boot. I tried single user, verbose, safe, fsck, DU, recovery all to avail because the system no longer recognises the drive because it will not mount.
Now, this same thing happened two weeks ago and I eventually replaced the stock Hitachi 1TB with the aforementioned Seagate. I am now using the Hitachi as an external drive and it is working just fine after erasing/formatting. I refuse to believe it is a HDD issue seeing how Windows still boots fine.
Does anyone out there have a long term solution? I cannot believe that I need to completely wipe my drive every two weeks and reinstall/restore/recover my system. I never had this problem prior to updating to 10.8.4. Any help would be appreciated.

same **** happend to me after I updated my retina macbook pro I had to take it to the Apple store to have it reinstalled and updated

IMac will not boot after 10.10.2 update

Hello all, I could really use some help. I downloaded 10.10.2 from the app store on my iMac (previously upgraded to Yosemite through app store), and when the system restarted, I would see the white screen with the apple logo and the progress bar about a third of the way across. then the system would ether restart or hang. Here is what I have done so far.
1. I am unable to boot to recovery mode using 'command R'... nothing happens and it goes back to the apple logo and a progress bar that get to a third of the way and stops.
2. I am able to press 'option' during boot and get 3 options for loading (system, recovery, and a Yosemite install disk i made on a USB). selecting any of these options returns me to the apple logo and the progress bar that gets stuck at a one third complete.
3. I am able to select safe and verbose mode. the machine will sometimes get all the way to "system up time in milliseconds" before it reboots.
4. I am able to boot to single user mode. I have run '/sbin/fsck -fy' until it no longer displays 'modification have been made' and it displays 'volume appears to be ok" (takes 2 runs). from here i have tried both rebooting, and exiting, both result in the white screen with the apple logo and the progress bar getting to a third of the way.
5. i have tried clearing the NVRAM
6. I don't have another mac with firewire or thunderbolt to try targeted disk mode
7. i have had 1 success in getting to the log in screen using verbose mode. during the boot there was a whole screen of the same line repeated many times, it said "BUG in process suhelperdt[167]: over-released legacy external boost assertions (1 total, 1 external, 0 legacy-external). after i logged in it reported that the system has un-expectedly shutdown, and that it would send a report to apple (is this a kernel panic?). i hit yes and then show the details. then the system hung up, and rebooted. then hung up again during boot with the same "BUG" message above.
I've got good time machine backups, and don't mind doing a complete reload if i can ever get to that option.
Thanks in advance for the help.

I have a 27 inch imac (10,1 late 09) that was doing the same intermittently during 10.10.2. In a fit of frustration, I updated yesterday to 10.10.3 and now the computer is doing exactly as you describe. I cannot get past the white screen at all. I have booted into recovery, verified and fixed the drive even though it it checked out fine. and attempted a fresh download on a clean partition. nada... i can get into safe mode, and I tried installing the SMC fan control, switching off transparency, and lowering my resolution. none worked.
I was convinced my hard drive was dying (when I had 10.10.2), and replaced it last week with a SSD. The SSD ran great for about a week, then had the same problems. I never had a problem with 10.10.1 or prior. I have checked my ram, and that does not fix the problem (swapping all four into the front dime slots in sequence).
This computer has run great since 09, and I have never had any issues until now, but it is now a very expensive paperweight. I cannot do the internet recovery that sets up the original OS the machine shipped with (too old for that feature), and it will not let me download a previous version of OS X from the app store (I have mavericks, lion, etc there).
I think my apple love affair is officially over. Looks like i will be searching for a pre-yosimite computer to download a usb version of mavericks or lion, and I sure as **** am not buying another apple product in the near future! I was very close to pulling the trigger on a new macbook, sure glad I did not waste my money -again-.

HELP Mac Mini will not boot after 10.5.1 update

After I tried installing 10.5.1 I received a warning message that the update will not be installed because of an error and I should contact the vendor. After that the Mini tries to reboot. It keeps repeating the process over and over. I have tried to do safe boot mode by manually turning off the computer and then restarting while holding shift, but nothing happens. Can anybody help?

BBlades wrote:
I think the problem might be with the external HDD I am running with this machine. I am reinstalling everything now from my time machine backup. I just added this hard drive the other night and it is loud as all **** and I believe it is why my machine has crashed. Before I added the drive, my system was running pretty good. It is a Calvary 160gb drive. I think I am going to have to send this POS back to newegg and get myself another Lacie drive, because my other Lacie is running smoothly.
I'd go with the LaCie. I got two from Amazon, 320 and 500 and both are quiet, have 800MHz FW and I have had no problems with either of them. The new one also has a 3-position switch - Off/Auto/On which allows it to sleep when not being accessed when in Auto.
I suspect that your external HD was the problem all along.

MacBook Pro won't boot after 10.6.8 update.

I completely erased my hard drive, reinstalled Snow Leopard and updated to 10.6.7. I then performed an Apple Hardware Test and verified the disk using disk utility. Both tests were successful. I then updated to 10.6.8 using the combo update and restarted my MacBook Pro. The boot process ran fine until the system locked up on the bright blue screen. No peripherals were connected to the laptop during this process. I powered the laptop down using the power button and turned it on again. This time, I entered verbose mode. The last line of text that I see before the screen turns black is "[ PCI configuration begin ]". Can anyone assist me with this issue?
My System Profile is as follows.
Hardware Overview:
Model Name:          MacBook Pro
Model Identifier:          MacBookPro3,1
Processor Name:          Intel Core 2 Duo
Processor Speed:          2.4 GHz
Number Of Processors:          1
Total Number Of Cores:          2
L2 Cache:          4 MB
Memory:          3 GB
Bus Speed:          800 MHz
Boot ROM Version:          MBP31.0070.B07
SMC Version (system):          1.16f11
Serial Number (system):          System Serial#
Hardware UUID:          00000000-0000-1000-8000-001B639863A4
Sudden Motion Sensor:
State:          Enabled

Might be time to replace the PRAM battery. That's not the normally accessible battery, but it is one that often fails after 4 years.

No BOOT after 10.8.3 UPDATE

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