MacBook freezes on startup

Problem: MacBook freezes with the blue background and "Mac OS X" dialogue box upon startup.
What I've done about it(without success): Turned it on while pressing the "Option" key, clicked on the image of HD that comes up, but to no avail. Still freezes at blue screen with "Mac OS X" box.
Background: I updated iTunes, Quicktime, and a security update from Intel last night. Downloaded iTunes from the apple website, installed, and ran it. Was updating Quicktime/intel update using Software Update. While things were downloading, I was browsing in Safari, when Safari froze. I Forced Quit Safari, then tried to turn it back on. However, Safari wasn't responding, so I decided to restart. Please note that when I clicked on restart, the Software Update was not running in the background. Typically, it prompts me to install the updates after downloading, but I got no such message this time. Macbook failed to turn on and got stuck at the aforementioned screen. I turned it off by holding the power button, didnt bother with it overnight, then tried it again this morning with out success. Even after waiting for about 30 mins, I couldn't get past the blue screen with OS X dialogue box.
Questions: So, what do you think I should do? I have some pretty important stuff that I havn't backup-ed recently. Is there any way to solve this problem at home, or do I need to send the computer to an apple store? And if I do need to get a new computer or reinstall OS X, is there a way to transfer the stuff from my current HD without losing them all?
Thanks for the input.

i have the same problems, has what that guy suggested work, i have also checked the hardware to see if that was the problem by installing the install disk 1 and it wasnt the prob so i tried to eject the disk and it doesnt come out. i have no idea what to do

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My MacBook freezes at startup, before getting to the Apple logo and progress bar. Help!

I have a black backlit screen with nothing on it. It happens after turning it on, it chimes and then nothing.... I have tried restarting it by holding down the power button, nothing, same issue.
It is an aluminum MacBook with OSX Lion.

Sounds like something is badly wrong with your system. First step would be to start up from your Mac OS X install disk, by inserting the disk and holding down 'c' at startup. Select your language, then choose Disk Utility from the Utilities menu. In Disk Utility, choose your hard drive and click the Repair Disk button.
If problems are repaired, try restarting and see if the problems are gone.
If problems couldn't be repaired, you can try DiskWarrior, which can sometimes repair problems that Disk Utility cannot. However, if nothing works, you probably are going to have to erase the hard drive and reinstall the system from scratch. Hopefully you have backups!
If there were no errors, or they were repaired successfully but that didn't fix the problem, then you should try booting into safe mode by holding down the shift key at startup. If that works, you may have some bad third-party software. What that might be is hard to say, though.
If nothing works, try rebooting from the Mac OS X install disk again and install Snow Leopard right on top of your current system. That shouldn't disturb your apps or data, but of course, if you don't have backups, you're in trouble if something goes wrong.

MacBook Pro Freeze on Startup

Hi there,
My MacBook Pro is freezing on startup. When I turn it on it makes the startup sound and gets to the Mac OS X blue bar, but the blue bar only gets to about halfway and then it just stops. i have to hold down the power button to turn it off.
I've only been able to start it up by reinstalling from the MAC OS installion discs (archive and install), which I've had to do three times. When I turn it off though and restart, same problem all over again. I've also run the repair authorisations etc in Disc Utility - everything seems ok.
It will start up if I hold down command V ( which I think is safemode) but not normally at all.
Once the system is actually going, it's all fine, so I'm thinking it's not a hardware problem, only a software one. Maybe something to do with an update I've downloaded? But I have no idea how to ID the problem... and I'm back to my orginal OS X operating system now.
I've had my MacBook Pro for just over a year and until last week, no problems at all. Only thing that's changed is that I've started using the airport for the first time - till now I connected to the internet via a USB ethernet adaptor. Perhaps that has something to do with it?
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How did you "switch?" as the only way Vista 64-bit to install over 32-bit is a clean install.
Or explain both machines. Are you running Vista 32-bit on one and a separate licensed 64-bit on 2nd machine?
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My 13" MacBook Pro freezes at startup

While using Firefox, my Macbook pro frooze about 2 days ago. The screen was only showing the multi-colour spinning circle.
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Advice how to solve this problem

Disconnect all peripherals from your computer.
Troubleshoot the spinning beach ball
Common symptoms of a dying hard drive
Hard drive is making a clicking, whirring, grinding, ping pong ball noise or any other type of unusual noises.
Hard drive is not spinning.
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An interesting site - Hard Drive Sounds by drive manufacturer.
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I have a MacBook Pro, it recently started freezing upon startup. It would get to a blue screen and just sit there. I've tried booting in safemode to run disk repair and still doesnt help. If I do manage to get past the blue screen, it still freezes

My mac keeps freezing upon startup. It will get to the blue screen and promptly freeze. If I manage to get past the blue screen, and open up youtube on google chrome, it will freeze before it loads youtube. I've tried safeboot and disk repair, nothing seems to work. I even tried to factory reset it but it wont connect to my internet when I reboot with power + option.. any ideas?

This can be used to boot the machine and delelte enough files to get it to boot normally.
.Create a data recovery/undelete external boot drive
Read about storage drive so you can store your extra stuff.
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system.log:
Descrizione: Resoconto eventi sistema
Dimensione: 236 KB
Ultima modifica: 12/03/09 22:47
Posizione: /var/log/system.log
Contenuto recente: ...
Mar 12 22:29:03 macbook-di-giuseppe kernel[0]: hibernatewriteimage done(0)
Mar 12 22:29:03 macbook-di-giuseppe kernel[0]: sleep
Mar 12 22:29:03 macbook-di-giuseppe kernel[0]: Wake reason = EC LID0
Mar 12 22:29:03 macbook-di-giuseppe kernel[0]: System Wake
Mar 12 22:29:03 macbook-di-giuseppe kernel[0]: Previous Sleep Cause: 5
Mar 12 22:29:03 macbook-di-giuseppe kernel[0]: USB (OHCI):Port 6 on bus 0x4 has remote wakeup from some device
Mar 12 22:29:03 macbook-di-giuseppe kernel[0]: WLCE_COUNTRY_CODECHANGED
Mar 12 22:29:03 macbook-di-giuseppe kernel[0]: en1: 802.11d country code set to 'X3'.
Mar 12 22:29:03 macbook-di-giuseppe kernel[0]: en1: Supported channels 1 2 3 4 5 6 7 8 9 10 11 12 13 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140
Mar 12 22:29:03 macbook-di-giuseppe kernel[0]: NVEthernet::mediaChanged - Link Down
Mar 12 22:29:07 macbook-di-giuseppe kernel[0]: Auth result for: 00:19:5b:f6:8b:c6 MAC AUTH succeeded
Mar 12 22:29:07 macbook-di-giuseppe kernel[0]: AirPort: Link Up on en1
Mar 12 22:29:11 macbook-di-giuseppe kernel[0]: WLCE_COUNTRY_CODECHANGED
Mar 12 22:29:11 macbook-di-giuseppe kernel[0]: en1: 802.11d country code set to 'GB'.
Mar 12 22:29:11 macbook-di-giuseppe kernel[0]: en1: Supported channels 1 2 3 4 5 6 7 8 9 10 11 12 13 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 40 48 56 64 104 112 120 128 136 36 44 52 60 100
Mar 12 22:29:11 macbook-di-giuseppe kernel[0]: smbiodreconnect: Reconnected to 192.168.0.2
Mar 12 22:29:16 macbook-di-giuseppe SoftwareUpdateCheck[1067]: Checking for updates
Mar 12 22:30:13 macbook-di-giuseppe com.apple.launchd[64] ([0x0-0x6f06f].SoftwareUpdateCheck[1067]): Exited with exit code: 102
Mar 12 22:31:04 macbook-di-giuseppe /usr/sbin/ocspd[1081]: starting
Mar 12 22:31:23 macbook-di-giuseppe com.apple.launchd[1] (com.apple.backupd-wake[1061]): Exited with exit code: 1
Mar 12 22:43:01 macbook-di-giuseppe ntpd[14]: time reset -0.529290 s
Mar 12 22:46:28 localhost kernel[0]: npvhash=4095
Mar 12 22:46:18 localhost com.apple.launchctl.System[2]: fsck_hfs: Volume is journaled. No checking performed.
Mar 12 22:46:18 localhost com.apple.launchctl.System[2]: fsck_hfs: Use the -f option to force checking.
Mar 12 22:46:20 localhost com.apple.launchctl.System[2]: launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
Mar 12 22:46:20 localhost com.apple.launchd[1] (com.apple.blued): Unknown key for boolean: EnableTransactions
Mar 12 22:46:20 localhost com.apple.launchd[1] (org.cups.cupsd): Unknown key: SHAuthorizationRight
Mar 12 22:46:20 localhost com.apple.launchd[1] (org.ntp.ntpd): Unknown key: SHAuthorizationRight
Mar 12 22:46:21 localhost kextd[10]: 416 cached, 0 uncached personalities to catalog
Mar 12 22:46:29 localhost kernel[0]: hi mem tramps at 0xffe00000
Mar 12 22:46:28 localhost DirectoryService[31]: Launched version 5.6 (v514.24)
Mar 12 22:46:29 localhost kernel[0]: PAE enabled
Mar 12 22:46:28 localhost fseventsd[26]: event logs in /.fseventsd out of sync with volume. destroying old logs. (112897 13 112963)
Mar 12 22:46:27 localhost bootlog[35]: BOOT_TIME: 1236894375 0
Mar 12 22:46:29 localhost kernel[0]: 64 bit mode enabled
Mar 12 22:46:28 localhost rpc.statd[17]: statd.notify - no notifications needed
Mar 12 22:46:29 localhost kernel[0]: Darwin Kernel Version 9.6.0: Mon Nov 24 17:37:00 PST 2008; root:xnu-1228.9.59~1/RELEASE_I386
Mar 12 22:46:28 localhost DirectoryService[31]: Improper shutdown detected
Mar 12 22:46:29 localhost kernel[0]: standard timeslicing quantum is 10000 us
Mar 12 22:46:28 localhost fseventsd[26]: log dir: /.fseventsd getting new uuid: B63C4D9D-15D7-4501-884E-E5B86D99B92A
Mar 12 22:46:29 localhost kernel[0]: vmpagebootstrap: 447666 free pages and 11086 wired pages
Mar 12 22:46:29 localhost kernel[0]: migtable_maxdispl = 79
Mar 12 22:46:30 localhost kernel[0]: Extension "com.apple.driver.AppleACPIPlatform" has immediate dependencies on both com.apple.kernel and com.apple.kpi components; use only one style.
Mar 12 22:46:30 localhost kernel[0]: Extension "com.apple.driver.AppleIntelCPUPowerManagement" has immediate dependencies on both com.apple.kernel and com.apple.kpi components; use only one style.
Mar 12 22:46:30 localhost kernel[0]: AppleACPICPU: ProcessorApicId=0 LocalApicId=0 Enabled
Mar 12 22:46:30 localhost kernel[0]: AppleACPICPU: ProcessorApicId=1 LocalApicId=1 Enabled
Mar 12 22:46:30 localhost kernel[0]: Loading security extension com.apple.security.TMSafetyNet
Mar 12 22:46:30 localhost kernel[0]: calling mpopolicyinit for TMSafetyNet
Mar 12 22:46:30 localhost kernel[0]: Security policy loaded: Safety net for Time Machine (TMSafetyNet)
Mar 12 22:46:30 localhost kernel[0]: Loading security extension com.apple.nke.applicationfirewall
Mar 12 22:46:30 localhost kernel[0]: Loading security extension com.apple.security.seatbelt
Mar 12 22:46:30 localhost kernel[0]: calling mpopolicyinit for mb
Mar 12 22:46:30 localhost kernel[0]: Seatbelt MACF policy initialized
Mar 12 22:46:30 localhost kernel[0]: Security policy loaded: Seatbelt Policy (mb)
Mar 12 22:46:30 localhost kernel[0]: Copyright (c) 1982, 1986, 1989, 1991, 1993
Mar 12 22:46:30 localhost kernel[0]: The Regents of the University of California. All rights reserved.
Mar 12 22:46:30 localhost kernel[0]: MAC Framework successfully initialized
Mar 12 22:46:30 localhost kernel[0]: using 9175 buffer headers and 4096 cluster IO buffer headers
Mar 12 22:46:30 localhost kernel[0]: IOAPIC: Version 0x11 Vectors 64:87
Mar 12 22:46:30 localhost kernel[0]: Extension "com.apple.driver.AppleACPIPlatform" has immediate dependencies on both com.apple.kernel and com.apple.kpi components; use only one style.
Mar 12 22:46:30 localhost kernel[0]: ACPI: System State [S0 S3 S4 S5] (S3)
Mar 12 22:46:30 localhost kernel[0]: Extension "com.apple.driver.AppleACPIPlatform" has immediate dependencies on both com.apple.kernel and com.apple.kpi components; use only one style.
Mar 12 22:46:30: --- last message repeated 1 time ---
Mar 12 22:46:30 localhost kernel[0]: mbinit: done
Mar 12 22:46:30 localhost kernel[0]: Security auditing service present
Mar 12 22:46:30 localhost kernel[0]: BSM auditing present
Mar 12 22:46:30 localhost kernel[0]: rooting via boot-uuid from /chosen: 17E051C8-7DB5-3F29-B40E-533FB5C596EF
Mar 12 22:46:30 localhost kernel[0]: Waiting on <dict ID="0"><key>IOProviderClass</key><string ID="1">IOResources</string><key>IOResourceMatch</key><string ID="2">boot-uuid-media</string></dict>
Mar 12 22:46:30 localhost kernel[0]: Got boot device = IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@B/AppleMCP79AHCI/PR T0@0/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageD river/TOSHIBA MK2553GSX Media/IOGUIDPartitionScheme/Customer@2
Mar 12 22:46:30 localhost kernel[0]: BSD root: disk0s2, major 14, minor 2
Mar 12 22:46:30 localhost kernel[0]: jnl: unknown-dev: replay_journal: from: 20165120 to: 21916672 (joffset 0x10302000)
Mar 12 22:46:30 localhost kernel[0]: jnl: unknown-dev: journal replay done.
Mar 12 22:46:30 localhost kernel[0]: HFS: Removed 4 orphaned unlinked files or directories
Mar 12 22:46:30 localhost kernel[0]: AppleIntelCPUPowerManagement: initialization complete
Mar 12 22:46:30 localhost kernel[0]: Jettisoning kernel linker.
Mar 12 22:46:30 localhost kernel[0]: Resetting IOCatalogue.
Mar 12 22:46:30 localhost kernel[0]: IGPU: family specific matching fails
Mar 12 22:46:30 localhost kernel[0]: Matching service count = 1
Mar 12 22:46:30 localhost kernel[0]: Matching service count = 2
Mar 12 22:46:30: --- last message repeated 4 times ---
Mar 12 22:46:30 localhost kernel[0]: NVDANV50HAL loaded and registered.
Mar 12 22:46:30 localhost kernel[0]: IGPU: family specific matching fails
Mar 12 22:46:32 localhost kernel[0]: Previous Shutdown Cause: 3
Mar 12 22:46:32 localhost kernel[0]: IGPU: family specific matching fails
Mar 12 22:46:34 localhost kernel[0]: BTCoexistence feature not supported!
Mar 12 22:46:34 localhost kernel[0]: wl0: Broadcom BCM432b 802.11 Wireless Controller
Mar 12 22:46:34 localhost kernel[0]: 5.10.38.27
Mar 12 22:46:34 localhost kernel[0]: [HCIController][configurePM] power parent ready after 1 tries
Mar 12 22:46:34 localhost kernel[0]: IGPU: family specific matching fails
Mar 12 22:46:35: --- last message repeated 1 time ---
Mar 12 22:46:35 localhost kernel[0]: Matching service count = 0
Mar 12 22:46:36 localhost configd[33]: Error: No interface name for AirPort_Brcm43xx
Mar 12 22:46:36 localhost configd[33]: Error: ioPublishedDriverCallback() failed to initDeviceFromService()
Mar 12 22:46:36 localhost mDNSResponder mDNSResponder-176.3 (Sep 30 2008 16:59:38)[21]: starting
Mar 12 22:46:38 macbook-di-giuseppe configd[33]: setting hostname to "macbook-di-giuseppe.local"
Mar 12 22:46:38 macbook-di-giuseppe blued[79]: Apple Bluetooth daemon started.
Mar 12 22:46:38 macbook-di-giuseppe /usr/sbin/ocspd[80]: starting
Mar 12 22:46:43 macbook-di-giuseppe kernel[0]: Sound assertion "0 == mMikeyPeripheralInterruptSource" failed in "/SourceCache/AppleHDA/AppleHDA-162.1.37/AppleMikeyDriver/AppleMikeyACPI.cpp" at line 289 goto Exit
Mar 12 22:46:43 macbook-di-giuseppe /System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow[22]: Login Window Application Started -- Threaded auth
Mar 12 22:46:43 macbook-di-giuseppe kernel[0]: NVEthernet: Ethernet address 00:23:df:a5:49:b0
Mar 12 22:46:43 macbook-di-giuseppe kernel[0]: AirPort_Brcm43xx: Ethernet address 00:23:6c:94:ce:d7
Mar 12 22:46:45 macbook-di-giuseppe kernel[0]: NVEthernet::mediaChanged - Link Down
Mar 12 22:46:45 macbook-di-giuseppe kernel[0]: AirPort: Link Down on en1
Mar 12 22:46:46 macbook-di-giuseppe ntpdate[78]: can't find host time.euro.apple.com
Mar 12 22:46:46 macbook-di-giuseppe ntpdate[78]: no servers can be used, exiting
Mar 12 22:46:46 macbook-di-giuseppe org.ntp.ntpd[14]: Error : nodename nor servname provided, or not known
Mar 12 22:46:47 macbook-di-giuseppe kernel[0]: Auth result for: 00:19:5b:f6:8b:c6 No Ack
Mar 12 22:46:47 macbook-di-giuseppe airportd[93]: Error: Apple80211Associate() failed -6
Mar 12 22:46:47 macbook-di-giuseppe airportd[93]: Could not find any preferred networks; trying broadcast requests..
Mar 12 22:46:51 macbook-di-giuseppe kernel[0]: WLCE_COUNTRY_CODECHANGED
Mar 12 22:46:51 macbook-di-giuseppe kernel[0]: en1: 802.11d country code set to 'GB'.
Mar 12 22:46:51 macbook-di-giuseppe kernel[0]: en1: Supported channels 1 2 3 4 5 6 7 8 9 10 11 12 13 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 40 48 56 64 104 112 120 128 136 36 44 52 60 100
Mar 12 22:46:51 macbook-di-giuseppe loginwindow[22]: Login Window Started Security Agent
Mar 12 22:46:52 macbook-di-giuseppe SecurityAgent[107]: NSExceptionHandler has recorded the following exception:\nNSRangeException -- * -[NSCFArray objectAtIndex:]: index (0) beyond bounds (0)\nStack trace: 0x3719a 0x951f1e3b 0x96281eeb 0x96281f2a 0x95cb17ff 0x95c2f188 0x70f59 0x71798 0x5ac01 0x6f216 0x62daa 0x640f9 0x65b7e 0x63931 0x6245f 0x67dc2 0x77c9f 0xd648 0x12c40 0x129f3 0xd18a 0x95c6e733 0x961e4455 0x962088e8 0x96208cd8 0x91d152c0 0x91d150d9 0x91d14f4d 0x93906d7d 0x93906630 0x938ff66b 0x10fc7 0x202a 0x1
Mar 12 22:46:52 macbook-di-giuseppe kernel[0]: Auth result for: 00:19:5b:f6:8b:c6 MAC AUTH succeeded
Mar 12 22:46:52 macbook-di-giuseppe kernel[0]: AirPort: Link Up on en1
Mar 12 22:46:56 macbook-di-giuseppe authorizationhost[106]: MechanismInvoke 0x126510 retainCount 2
Mar 12 22:46:56 macbook-di-giuseppe SecurityAgent[107]: MechanismInvoke 0x1016a0 retainCount 1
Mar 12 22:46:56 macbook-di-giuseppe SecurityAgent[107]: NSSecureTextFieldCell detected a field editor ((null)) that is not a NSTextView subclass designed to work with the cell. Ignoring...
Mar 12 22:46:56 macbook-di-giuseppe SecurityAgent[107]: NSExceptionHandler has recorded the following exception:\nNSRangeException -- * -[NSCFArray objectAtIndex:]: index (0) beyond bounds (0)\nStack trace: 0x3719a 0x951f1e3b 0x96281eeb 0x96281f2a 0x95cb17ff 0x95c2f188 0x70f59 0x71798 0x5ac01 0x6f216 0x62daa 0x66126 0x67e3f 0x77c9f 0xd648 0x12c40 0x129f3 0xd18a 0x95c6e733 0x961e4455 0x962088e8 0x96208cd8 0x91d152c0 0x91d150d9 0x91d14f4d 0x93906d7d 0x93906630 0x938ff66b 0x10fc7 0x202a 0x1
Mar 12 22:46:57 macbook-di-giuseppe SecurityAgent[107]: MechanismDestroy 0x1016a0 retainCount 1
Mar 12 22:46:57 macbook-di-giuseppe loginwindow[22]: Login Window - Returned from Security Agent
Mar 12 22:46:57 macbook-di-giuseppe authorizationhost[106]: MechanismDestroy 0x126510 retainCount 2
Mar 12 22:46:57 macbook-di-giuseppe loginwindow[22]: USER_PROCESS: 22 console
Mar 12 22:46:57 macbook-di-giuseppe com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[103]): Exited: Terminated
Mar 12 22:46:57 macbook-di-giuseppe com.apple.launchctl.Aqua[112]: launchctl: Please convert the following to launchd: /etc/machinit_per_user.d/trial_expiredNTFS.plist
Mar 12 22:46:57 macbook-di-giuseppe com.apple.launchd[109] (com.apple.AirPortBaseStationAgent): Unknown key for boolean: EnableTransactions
Mar 12 22:46:57 macbook-di-giuseppe com.apple.launchd[109] (0x100f60.NTFS for Mac OS X): Failed to check-in!
Mar 12 22:46:57 macbook-di-giuseppe mDNSResponder[21]: NOTE: Wide-Area Service Discovery disabled to avoid crashing defective DNS relay 192.168.0.1:53
Mar 12 22:46:57 macbook-di-giuseppe /System/Library/CoreServices/coreservicesd[40]: SFLSharePointsEntry::CreateDSRecord: dsCreateRecordAndOpen(Cartella pubblica di Giuseppe) returned -14135
Mar 12 22:46:58 macbook-di-giuseppe com.apple.launchd[109] ([email protected][113]): Exited with exit code: 1
Mar 12 22:46:59 macbook-di-giuseppe loginwindow[22]: Unable to resolve startup item: status = -43, theURL == NULL = 1
Mar 12 22:46:59 macbook-di-giuseppe loginwindow[22]: Unable to resolve startup item: status = -35, theURL == NULL = 1
Mar 12 22:47:00 macbook-di-giuseppe kextd[10]: writing kernel link data to /var/run/mach.sym
Message was edited by: Messia

Boot (hold shift key down) and run in Safe Mode for awhile. See what happens.
Dave M.
MacOSG Founder/Ambassador  An Apple User Group  iTunes: MacOSG Podcast
Creator of 'Mac611 - Mobile Mac Support' (designed exclusively for an iPhone/iPod touch)

Mail freezes on startup

Hi there,
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At my old macbook I never had this problem.
I already looked up other discussions on this topic, and tried various solutions
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I am now back at where I started, still without a solution.
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I hope any of you can help me solve it, It would really help me out a lot...
Thanks on beforehand!

The warranty entitles you to complimentary phone support for the first 90 days of ownership.
If you bought the product in the U.S. directly from Apple (not from a reseller), you also have 14 days from the date of delivery in which to exchange or return it for a refund. In other countries, the return policy may be different. If you bought from a reseller, its return policy applies.

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First run Disk Utility Repair Disk, if you get errors run until no errors reported or reports "the disk cannot be fixed". Then, choose Reinstall OS X. This will be an install "in place" and shouldn't effect any of your own data or settings.

Lightroom 3 freezes at startup

I have Lightroom 3 on an IMAC with 4 GB memory.
Up to a few days ago it was working properly.
A few days ago someone disconnected a photo flash card while it was loading into Lightroom. I suppose that might have caused the trouble because since then I cannot start Lightroom 3 anymore it just freezes at startup.
I deleted com.adobe.Lightroom3.plist as was recommended by the Lightroom support site but this does not help.
What can I do?
Thanks for any help

I had the same problem on a MacBook Pro, 4GB, OS X 10.6.8, Lightroom 3.4.1. Specifically, Lightroom would freeze (spinning beach ball) on the opening screen.
One solution was a reboot, and I did this several times in the past.
Interesting. I'd be curious if anybody who starts seeing this with 3.5 finds it to also be related to the MassCameraStorage process or if the hangs are distinct. The symptoms sure sound right in line.
Following up on the suggestions in this thread, I did started Lightroom from the Terminal with the traceback flag. The only output was,
2011-08-26 11:57:40.596 Adobe Lightroom 3[9398:903] Enabling noisy tracebacks.
Well that cofirms your hang isn't caused by a thrown exception in Lua. It was a long shot, so I'm not too disappointed. Thanks for running that experiment!
Looking at the Activity Monitor, the process with the highest CPU usage by far was "MassCameraStorage", with 80%+ CPU usage. I killed that process, and Lightroom remained frozen. However, when I restarted Lightroom, it started up OK.
I'd be curious if others run into this MassCameraStorage process. I don't see any processes by that name on my system, but I also don't have any cameras plugged in, either. I've seen a number of hangs (usually during card/camera imports) reported related to image capture. Do you know where it comes from? (an Apple component or perhaps something specific to a particular camera manufacturer). It'd be interesting to see the contents of the "Open Files and Ports" tab of the panel that comes up when clicking on the "Inspect" button in Activity Monitor. Unfortunately, it looks like that tab is only available for processing running with your logged in user's privileges and that one might be a system process.
Anyway, it sounds like maybe LR is tangling with some other process when accessing attached USB devices (devices are enumerated in LR to determine the enabled states of import commands and "mass storage" would include hard drives, card readers, some cameras, etc). That may be useful information for others that see the hang to provide to see if there's a pattern to attached devices among the bug's victims.
It may also suggest an API we're using on the main thread (so slow response blocks startup) that we should be more cautious about.
Thanks -- DT

PS CC 2014 freeze after startup

Photoshop CC 2014 freezes after startup on MacBook Pro.
Start screen dissapears, all tools and panels are loaded and then the app crashes.
I tried to reinstall twice but it changed nothing.

Please read these and proceed accordingly:
http://forums.adobe.com/docs/DOC-2325
http://blogs.adobe.com/crawlspace/2012/07/photoshop-basic-troubleshooting-steps-to-fix-mos t-issues.html

Computer freezes during startup

My Mac book pro. Freezes during startup. Spinning wheel goes for about 15 seconds, then just stops. Any ideas?

Ok, I tried that and it didn't help, but thanks for the suggestion anyway because device drivers are always a pain in this.
Then I started looking for log file changes because I suspected that something (related) ought to be logged about this nagging bug. The witch hunt directed me towards the google updater agent -- whatever -- that got stuck on bringing chrome to the latest level.
I read all sort of incompatibilities between google chrome and macbooks, this could be another one. I downloaded the latest version of chrome manually, overwrote the existing implementation of chrome and the freeze-up seemed to vanish.
Not so nice this all.

Freeze while startup

os 10.4.7.. pb 15" non intel..
freezes in startup mode... ie clock stops under icon on screen..
tried... startup with original mac os 10.4 install disk.. c key held down.. just a lite screen..no luck
tried... startup with fw external hd with os 10.4.3 (holding option key down)... freezes before options of startup disk become available..
have tried to restart with pram reset... got tones... no diff.. need help... am visiting central america and need my mac... mucho gracios..

Espen Vestre wrote:
... Are there any iSight-related preference files that I could try deleting?
Every software app that can operate iSight has at least one preference (.plist) file. They are stored in your ~/Library/Preferences/ folder. (Look in the "user" library, NOT the hard drive library folder.) As one example, the preferences for Photo Booth are stored in "com.apple.PhotoBooth.plist".
You can try deleting them, but intermittent problems seem to me to be unlikely to be related to .plists.
Be sure to quit the app before you delete or move your preference file to avoid the possibility of having the existing values stored when the app closes.
If you do delete them, you will need to reset any preferences you want to be different from the default values that are set then the app restarts. Another way to reset an applications preferences is to move its .plist file(s) to a different location so you can easily restore them if resetting preferences does not fix your problem.
Your "flaky" diagnosis seems to me to be a good description. If the Apple Troubleshooting tips do not unquestionablycorrect your problem, and especially if your troubleshooting time is valuable, I suggest you have this Mac serviced while still in warranty. Intermittent problems are likely to only get worse with time.
EZ Jim
Mac Pro Quad Core (Early 2009) 2.93Ghz w/Mac OS X (10.6.2) MacBook Pro (13 inch, Mid 2009) 2.26GHz (10.6.2)
LED Cinema Display G4 PowerBook 1.67GHz (10.4.11) iBookSE 366MHz (10.3.9) External iSight

Imac freezes during startup stops @ blue screen & have tried everything

My imac freezes during startup, it gets to blue screen and just sits. I have tried to boot from the Leopard 10.5 install disk, and just sits, can't get to log in screen. Have run the disk utility and it says disk appears to be ok, Won't startup up in safe boot, blue screen just sit. Have tried 'fsck' fix, just sits at blue screen. Have reset PRAM, I don't know want else to try. Disk utility & "fsck" says 'disk appears to be ok'. When exiting fsck, it will start the process then stops. Does anyone have any suggestions, I have not tried to reinstall 10.5 yet.
Thanks in advance
Paula

After reading resolutions TS1541 & other threads, I decided to try to archive & reinstall 10.5 from install disc. Well that made things worse, sometime during reinstall, system locked up, I looked at the log during install & it had been locked up about 3 hours and now I have nothing. no systems files, using Target( firewire cable) disc with my macbook, I can see I have previous system folder & a folder that say system. but Install disc does not see OS.
Do I need to take it to an apple store for repair or what. It's only 3 years old.
please help
Paula

MacBook freezes on startup

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