My MacBook keeps freezing during startup

I got my MacBook Pro in 2012. Currently, it keeps freezing while I try to turn it on. I get the apple logo and the spinning wheel, and eventually it freezes. I've tried starting in safe mode and it froze. I've tried recovery, it "restarts due to a problem during start up" and then freezes again. When it freezes, there are little green pixels on the screen as well.
Any help is appreciated! Thanks!

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MacBook keeps freezing during Time Machine?

Hello! My computer keeps freezing up about 10 minutes into Time Machine. I have an internal 320gb drive and I am attempting to back it up to the Maxtor OneTouch4 Mini 250gb external hard drive I was using previously to back up my PowerBook G4. Also is it possible to keep my G4 files on there and use it to back up my MacBook?

Strawbs7 wrote:
Thanks for the link to the safe mode start up info - I'll give that a go tonight.
Among other things, that will check the directory structure and fix it if possible. That might be all you need.
I'm on 10.6.8 and my brother upgraded me so I guess he still has the discs, I will check. Is that for a reinstallation?
You need the main one to reinstall OSX (only; that doesn't disturb anything else), or to restore from TM backups. You may not need to do either, but should always have the disc handy.
What did your Mac ship with, and do you have the original discs? One of them has an Apple Hardware Test specific to your Mac. It's not real extensive, but might find any hardware problems.
Only I'm not really wanting to do anything like that til I've backed up - bit of a catch 22!!
If you're sure the backups were completing until recently, eject and disconnect the drive until you need it. No sense risking any damage to them!
If you have or can borrow another external, you might be able to make a copy of the current contents of your HD on it, via the Restore tab in Disk Utility. From your description it sounds doubtful, but might be worth a try.
And/or, if you have some CDs/DVDs or a USB Thumb drive, you might be able to copy some stuff to them.

Macbook pro freezes during startup after Yosemite

hello, i have a Macbook Pro (Retina, 15in, early 2013). I have since used it and never had any problems. i am also running the latest version of parallels (which i just updated before downloading & installing the update from Mavericks to Yosemite. Since installing Yosemite, i was able to use my macbook for about a day...suddenly during a login attempt i kept gettting the spinning wheel & the computer would just freeze.. ive been reading this comments & questions for the last 3 days & tried as much as i am capable of. I can not get the computer to boot in safe mode... i CAN boot it holding commandR...but than at that point i ran disc utility and it said no errors... I am utterly lost....this macbook doesnt come with a built in CD/DVD drive and i have NO CLUE how to properly back up anything...i DO NOT KNOW WHAT TO DO...can someone PLEASE help me using as much LAYMANS terms as possible? I truly appreciate ANY HELP!!! thank you in advance

... and i have no idea what else to do :?
Return that RAM and buy either the Crucial ram (http://www.crucial.com) for your system or buy from OWC (http://www.macsales.com). I've used Cruical ram in many systems over the years with no issues, and have bought Samsung (factory fill) from OWC with no issues either.

HT1237 My MacBook Pro freezes during startup. It shut itself down a few days ago and won't restart since then.

Forgot to mention, downloading a firmware update is not possible unless one has another way of starting the machine. (I'm posting this on my iPad.)

Try resetting SMC and NVRAM:
http://support.apple.com/kb/HT3964
http://support.apple.com/kb/PH4405

My MacBook pro freezes during start up after 30 secs. Any ideas?

My MacBook pro freezes during startup while the logo is still showing and the moving circle stops after about 30 seconds. Any ideas please?

On my Mac that DSMOS message appears about 20 seconds into the boot process. Booting finishes about 30 seconds after that.
Do those letters "v" really appear on the screen?
Unfortunately, if those are the last messages on the screen, I see nothing there that explains the hang. The next message I see after the DSMOS message is one about an AirPort daemon, although I'm not sure I understand any connection there might be between that and your hang.
Since you don't have a system restore disc you won't be able to do the next thing I was going to suggest, which is to run the diagnostics that came with that Mac. If you have an OS X 10.6 installation disc, you could try reinstalling OS X over the top of what's on it now. Right after that finishes use Software Update to apply any missing OS X updates, or download and install the "combo" updater for the version of OS X 10.6 that you want. If that Mac has a software problem doing that might help.

My MacBook keeps freezing and crashing during startup and use, what's wrong?

My MacBook functioned perfectly for YEARS, and suddenly it started freezing during startup. One of four things happens: it starts up no problem, it freezes at the apple logo with the load wheel spinning, it freezes at a 'no' symbol (a circle with a line through it) with the load wheel spinning, or it freezes at a logo which is a folder with a question mark in it. It occasionally goes through and gets to the homepage, where I can use the computer for a certain amount of time before it freezes again. I never get to use it for more than 30 or 45 minutes at a time.
Yes, I have updated all my software, and I haven't dropped it or downloaded anything that could cause this issue. What could be going wrong? :(

There are corrupted system files involved, so my suggestion is to reinstall OS X.
If you are using Snow Leopard:
Reinstall OS X without erasing the drive
Do the following:
1. Repair the Hard Drive and Permissions
Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. 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 installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Reinstall Snow Leopard
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/.
If you are using Leopard or Tiger:
How to Perform an Archive and Install
An Archive and Install will NOT erase your hard drive, but you must have sufficient free space for a second OS X installation which could be from 3-9 GBs depending upon the version of OS X and selected installation options. The free space requirement is over and above normal free space requirements which should be at least 6-10 GBs. Read all the linked references carefully before proceeding.
1. Be sure to use Disk Utility first to repair the disk before performing the Archive and Install.
Repairing the Hard Drive and Permissions
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger, Leopard or Snow Leopard.) 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 installer. Now restart normally.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Do not proceed with an Archive and Install if DU reports errors it cannot fix. In that case use Disk Warrior and/or TechTool Pro to repair the hard drive. If neither can repair the drive, then you will have to erase the drive and reinstall from scratch.
3. Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When you reach the screen to select a destination drive click once on the destination drive then click on the Option button. Select the Archive and Install option. You have an option to preserve users and network preferences. Only select this option if you are sure you have no corrupted files in your user accounts. Otherwise leave this option unchecked. Click on the OK button and continue with the OS X Installation.
4. Upon completion of the Archive and Install you will have a Previous System Folder in the root directory. You should retain the PSF until you are sure you do not need to manually transfer any items from the PSF to your newly installed system.
5. After moving any items you want to keep from the PSF you should delete it. You can back it up if you prefer, but you must delete it from the hard drive.
6. You can now download a Combo Updater directly from Apple's download site to update your new system to the desired version as well as install any security or other updates. You can also do this using Software Update.

My macbook keeps freezing when i put my password in the unlock my computer

my macbook keeps freezing when i put my password in the unlock my computer

Hi scottschierer,
Welcome to the Apple Support Communities!
I understand that your computer reaches the login screen but does not load the Desktop after you log in. In this situation, I would recommend working through the troubleshooting steps located in the attached article to help resolve the issue.
Resolve startup issues and perform disk maintenance with Disk Utility and fsck - Apple Support
Best regards,
Joe

My macbook keep freezing and lagging

even though i just opening google chrome,the "beach ball" keep showing and my mac not really responsive like before.is it because my spec too low or because my new update?

Problem description:
my macbook keep freezing and lagging
and the “beach ball” keep showing even though i just open my chrome
EtreCheck version: 2.0.11 (98)
Report generated November 12, 2014 at 11:15:13 AM GMT+8
Hardware Information: ℹ️
MacBook Pro (13-inch, Mid 2012) (Verified)
MacBook Pro - model: MacBookPro9,2
1 2.5 GHz Intel Core i5 CPU: 2-core
4 GB RAM Upgradeable
BANK 0/DIMM0
2 GB DDR3 1600 MHz ok
BANK 1/DIMM0
2 GB DDR3 1600 MHz ok
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
Intel HD Graphics 4000 -
Color LCD 1280 x 800
System Software: ℹ️
OS X 10.10 (14A389) - Uptime: 0:59:29
Disk Information: ℹ️
APPLE HDD HTS545050A7E362 disk0 : (500.11 GB)
S.M.A.R.T. Status: Verified
EFI (disk0s1) <not mounted> : 210 MB
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
Macintosh HD (disk1) / [Startup]: 498.88 GB (447.04 GB free)
Encrypted AES-XTS Unlocked
Core Storage: disk0s2 499.25 GB Online
HL-DT-ST DVDRW GS41N
USB Information: ℹ️
Apple Computer, Inc. IR Receiver
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Inc. FaceTime HD Camera (Built-in)
Thunderbolt Information: ℹ️
Apple Inc. thunderbolt_bus
Gatekeeper: ℹ️
Mac App Store and identified developers
Kernel Extensions: ℹ️
/System/Library/Extensions
[not loaded] com.VIATelecom.driver.ViaUsbSer (1.0.0 - SDK 10.7) Support
Launch Agents: ℹ️
[invalid?] SwapperUFi.plist Support
Launch Daemons: ℹ️
[loaded] com.adobe.fpsaud.plist Support
[loaded] com.ea.origin.ESHelper.plist Support
[invalid?] PPPMonitord.plist Support
User Launch Agents: ℹ️
[loaded] com.google.keystone.agent.plist Support
User Login Items: ℹ️
iTunesHelper Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Dropbox UNKNOWN (missing value)
Internet Plug-ins: ℹ️
FlashPlayer-10.6: Version: 15.0.0.189 - SDK 10.6 Support
Flash Player: Version: 15.0.0.189 - SDK 10.6 Mismatch! Adobe recommends 15.0.0.223
QuickTime Plugin: Version: 7.7.3
Default Browser: Version: 600 - SDK 10.10
Safari Extensions: ℹ️
AdBlock
3rd Party Preference Panes: ℹ️
Flash Player Support
Time Machine: ℹ️
Time Machine not configured!
Top Processes by CPU: ℹ️
      4% GoogleSoftwareUpdateAgent
      2% Google Chrome
      0% launchd
      0% sysmond
      0% fontd
Top Processes by Memory: ℹ️
142 MB Google Chrome
132 MB Google Chrome Helper
47 MB Finder
34 MB mds_stores
30 MB WindowServer
Virtual Memory Information: ℹ️
136 MB Free RAM
1.57 GB Active RAM
1.50 GB Inactive RAM
653 MB Wired RAM
2.77 GB Page-ins
24 MB Page-outs

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.

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.
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Trying to add music to my library but my macbook keeps freezing. Any Ideas?

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From a Kappy post
The Three Best Alternatives for Security Questions and Rescue Mail
1. Use Apple's Express Lane.
Go to https://expresslane.apple.com ; click 'See all products and services' at the
bottom of the page. In the next page click 'More Products and Services, then
'Apple ID'. In the next page select 'Other Apple ID Topics' then 'Forgotten Apple
ID security questions' and click 'Continue'. Please be patient waiting for the return
phone call. It will come in time depending on how heavily the servers are being hit.
2. Call Apple Support in your country: Customer Service: Contact Apple support.
3. Rescue email address and how to reset Apple ID security questions.
A substitute for using the security questions is to use 2-step verification:
Two-step verification FAQ Get answers to frequently asked questions about two-step verification for Apple ID.

HT1338 my macbook keeps freezing

my macbook keeps freezing how do i fix this problem?

Boot from your installer dvd, recovery partition, or external bootable drive and run Disk Utility to repar/verify your drives (not repair permissions).
Do a smc and pram reset.
Boot in safe mode then reboot.
See if your machine still freezes after those operations are preformed. If so run Apple Hardware Test to check your machine.
If AHT findes nothing then your software additions will need to be investigated. But worry about that later.

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After updating to 10.4.8, my machine would freeze during startup (at the gray screen with the apple and spinner) and give me the "Please restart your computer" message in a few languages.
I thought it might be a RAM issue, so I removed all third party RAM - same problem.
I replaced all of the RAM with RAM from another G5 that I know worked - same problem
I moved the HD from my G5 to another G5 that was working - same problem (I believe that eliminates the motherboard and any other components from being the problem).
I thought that the HD might be bad, so I replaced it with a brand new SATA drive, installed 10.4 and it worked perfectly, ran all of the SW updates (including the combined 10.4.8 update) and I get the same freezing again when I reboot.
Any suggestions are appriciated!

Hi Joe,
Welcome to the only place where you can get friendly advice.
Ok have you tried starting up from the installer / restore CD that came with the mac and run disk utility??
Try hardware test doing the extended test in a loop to try and find the base of the Kernel panic (thats what the "you need to restart your computer" image indicates)
For info and guidance on Kernel panics see:
http://docs.info.apple.com/article.html?artnum=106227
and trouble shooting info:
http://docs.info.apple.com/article.html?artnum=25392
for extensive advice on solving the kernel panics see:
http://www.thexlab.com/faqs/kernelpanics.html
Worst case senario it could be the G5 processors, make sure you have applecare; just in case it gets expensive!!

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For about two weeks my iMac which I only bought in October of last year keeps freezing on startup after I sign in. I have tried the cmd-alt-p-r about 4 times. It works for about two days and then starts freezing again. I need assistance please.

Go step by step and test.
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http://support.apple.com/kb/PH14204?viewlocale=en_US
Repair Disk.
Steps 1 through 7
http://support.apple.com/kb/PH5836
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http://support.apple.com/kb/HT1310
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My MacBook keeps freezing during startup

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