Intel Mac :: Why Does Computer Sometime Start In Safe Boot

May 30, 2012

Why does my computer sometimes startup in safe boot

Info:
iMac Power Pc, Mac OS X (10.5.2)

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Intel Mac :: Occasionally Start Up In Safe Boot (Shift Key Sticky)

May 15, 2012

Occasionally, this iMac starts, and it will say "safe boot" in the login screen, and I have not done anything to make it do that. I do not have a sticky shift key, as far as I can tell.

Info:
iMac, Mac OS X (10.6.8), 27" 2.7GHz Quad i5 12GB mem 1TB

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MacBook Air :: OS X 10.6.8 Won't Start On Safe Boot When Holding Shift At Startup

Jun 27, 2014

My computer has a kernel panic problem. And I'd like to fix it by booting as safe boot. I hold the shift key after the tone, and release it when the apple and loading gear appear. But, the bar that indicates that safe mode is loading never appears. It'll just boot on regular boot.

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OS X Mavericks :: Receive Prohibitory Sign On Start Up And Cannot Boot Up In Safe Mode

Jun 25, 2014

I've been trying to partition my drives and install Windows on my late 2012 imac. I last adjusted my partitions using disk utility and now receive the prohibitory sign on start-up and cannot boot up in safe mode; pram reset; type commands in single user mode. Running on Mavericks OS.

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Intel Mac :: 10.7 Safe Boots At Each Start Up?

Feb 21, 2012

... and once started I then have to do a restart as the screen misbehaves by erratically scrolling between the desktop and the Launchpad. A real time waster!

Info:
iMac, Mac OS X (10.7.2)

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Intel Mac :: It Cannot Start In Safe Mode

Apr 3, 2012

Did a Shift - Command-V and the black screen showing all the startup steps appeared and it all looked good except: AFL Alart Sockwed cant update and INIT Reboot transmit failed. All else looks good. I have tried this 3 times and never go past that point. Then the screen turns off white like it does when it starts normally before the apple appears and the last time the screen went black.  

I have tried starting with just the Shift Key and computer starts up but not in safe mode. I have tired starting with the OS X disk and the C key and it will not recognize the disk.I used the #1 disk since the instructions are printed on the disk. Did not work so I tried disk 2 and I get a menu to start the OS or tools. If I click on either one the screen goes white and stays that way.

computer starts fine and provides a login window, and then the desktop screen with screen saver pictures in perfect color. As it goes through starting programs it starts the same programs that is had open when the computer originally crashed. Even when I close them, before it locks up again, and I am forced to restart the same programs open up to the same place. Its like the computer is frozen in one location and will not go beyond that point. Eventually the screen turns white and sometimes black and sometimes gray.

Tech support thought it was the video card, put a new one in but did not fix the problem and then said it was not that but that it was the monitor. I said that did not make sense since the monitor and desktop icons and pictures are beautiful and clear. They then said it was the inverter board on the monitor and Apple only replace the whole thing. I purchased an inverter board and replace it. No change. The tech person said that the computer works find without the monitor connected - I will see if that is correct next. Isn't that a more systimatic testing procedure then trying parts to see if it works? Oh I did do the complete long hardware test. Took about an hour and it passed! Isn't this strange?

Info:iMac, Mac OS X (10.5.8)

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Intel Mac :: How To Start In Safe Mode

Apr 20, 2012

my Imac takes 5 minutes to start , most of the time it is a blue screen....

Info:
iMac, Mac OS X (10.6.4)

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Software :: Intel I Mac Won't Start / Wont Go In Safe Mode?

Jan 18, 2009

I turn the machine on and the apple icon comes up and the thinking gear comes up but It won't go anywhere else I can't even get into safe mode.

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Intel Mac :: Can't Seem To Safe Start Because Screen Remains Black

Jun 28, 2012

I have a 2009-2010 27inch iMac with OSX and software fully updated.My Mac started shutting down or going into deep sleep when left on.I've tried rebooting, power long hold, checking cords etc.I've attempted the 5 second hold after disconnecting the power cord, plugging back in and start no luck.I hear a very small click inside when I long hold, sometimes a very faint spinning sound but nothing else.The fan came on once after a start attempt but nothing else happened. I can't seem to safe start because the screen remains black.

Info:
iMac, Mac OS X (10.6.8)

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Intel Mac :: Gray Screen On Start Up - Backup Files Using Safe Mode?

Mar 8, 2012

I'm getting the gray screen when I startup. I tried using the install disc to repair the utility, but it said it cannot be repaired. I had to use a plug-in mouse instead of my normal wireless mouse to get the startup disc out on a restart. I want to now startup in safe mode, but holding down shift during startup with my wireless keyboard doesn't work. Do I need to have a plug-in type keyboard for this function to work? Can you backup files using safemode?

Info:
iMac, Mac OS X (10.6.3)

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Intel Mac :: How To Boot Up In Safe Mode

Jun 6, 2012

How do I boot in a safe mode my iMac? I hold down the shift key after the whistle when turns on but it take me to the normal screen.

Info:
iMac, iOS 5.1.1

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Intel Mac :: Starting With A Safe Boot?

Jun 6, 2012

Why is my iMac starting up with a safe boot?

Info:
iMac, Mac OS X (10.7.4)

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Intel Mac :: Blue-screen After Attempting A Safe Boot?

Jun 11, 2012

I attempted a safe boot after receiving a gray screen w/ spinning gear.  I have since gotten a blue screen.

Info:
iMac (24-inch Early 2009), Mac OS X (10.6)

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IMac (Intel) :: Powers Down While Starting In Safe Boot Mode Running OS X Mavericks (10.9.4)

Sep 9, 2014

My 2014 21" iMac powers itself down after about 10 seconds while trying to startup in safe boot mode. I'm not even sure why it is trying to start in safe boot mode. I shut it down after a power outage while plugged into an APS UPS. I'm guessing that since I interrupted the auto shutdown it is restarting in safe boot mode. Either way, I get a grey screen with a big apple and a progress bar. The progress bar gets to about a tenth full and the power just shuts off. 

I've tried starting up while holding the alt key to select the Macintosh HD. The same thing happens.

Info:
iMac, OS X Mavericks (10.9.4)

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OS X V10.7 Lion :: What Is Safe Boot, Safe Mode

Apr 13, 2012

Been having probs w Mac Pro w Lion seeming to hang on shutdown/restart. Have 'reopen windows' unchecked in prefs.  Was able to run through safe mode boot once but now seems to hang about 20% in everytime.  Have had to do shutdowns w power button (I hate that) or /by ctrl-option-command-esc Boot single user run rack -fy says 'apparently ok'Mount -uw / reports removed 10 orphaned or unlinked files and 10 directories?

Info:
Mac Pro, 2xDual2.66, 4GB, GeForce 7300 GT, 23" Apple LCD, Mac OS X (10.5), G4 Cube, Rev A/C iMac, NeXTCube,PwrMac8500,Quadras,SE30s,MacPlus

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OS X V10.4 :: What Is Safe Boot, Safe Mode

Apr 6, 2012

I have been unable to restart me computer after a software update (White screen/apple logo/spinning wheel continuously). I have tried to start up in safe mode (holding down shift key) but it hasn't worked.

Info:
MacBook, Mac OS X (10.4.6)

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Intel Mac :: Can't Seem To Start My Computer Because It Freezes

Jun 11, 2012

I can't seem to start my computer because it freezes

Info:iMac, Mac OS X (10.6.8)

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Intel Mac :: When Shut The Computer Down It Won't Start Up Again?

Jun 14, 2012

When I shut my computer down it won't start up again unless I physically unplug it and plug it back in again.

Info:
iMac, Mac OS X (10.6.8)

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Intel Mac :: Start Up Computer Many Applications Load Up Also?

Jun 23, 2012

Whenever I start up my Computer, many applications load up also, especially Microsoft programs and I have to close them or it makes the desktop a mess.

Has anyone out there experienced this problem and/or have a fix for this?

Info:
iMac, Mac OS X (10.7.2)

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IMac (Intel) :: Booting In Safe Mode Only - How To Boot Up In Normal Mode

Sep 3, 2014

My iMac24" can't booting in normal mode, but booing in safe mode only.

how to boot up in normal mode. If I restart the system, it is showing the apple logo and not going to Finder.

Info:
iMac, maverics

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MacBook :: It Won't Boot After Trying To Repair With Disk Utility, Cannot Boot In Safe Mode

Jun 11, 2012

I have a MacBook 4,1 with Intel Core 2 Duo processor 4GB Ram. It is taking over 10 minutes to boot up past the gray apple screen when I turn it on. First I cleared the PRam (?) then I checked the disk using Disk Utility Verify, and it said the disk needed repairs. So I ran the disk repair and it said it was unable to fix the errors on the HD.  

I did a little research and tried booting into the Single User mode, then running /sbin/fsck -fy. It said that it found errors but could not fix them. I ran it two more times as suggested and got the same result each time. I then tried rebooting and now instead of taking 10 minutes to boot up, it takes about 5 minutes on the gray apple screen and then just turns off. I started in Verbose mode to try to troubleshoot the error and it appears the last thing to come across the screen before power down is a message "Apple Yukon 2: RxRingSize <= 1024....etc". 

I decided next I would run the Apple Hardware Tester. The test came back with an error code "4SNS/1/40000001:IG0C-0.265". I am very good at searching the web but I could not find any errors that had the IG0C or IGOC or any combination at the end, but plenty of 4SNS/1/40000000(1) errors with different endings. From what I can tell people are saying anything with 4SNS/1/4000000 is a logic board failure, but this computer was literally just booting this morning until I did the /sbin/fsck -fy. 

Info:
MacBook, Mac OS X (10.5.6)

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Intel Mac :: Prevent ICal From Opening Automatically When Start Computer?

Feb 4, 2012

ical opens everytime I turn on my computer.  How can I make it stop? 

Info:
iMac, Mac OS X (10.7.3)

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Intel Mac :: Start The Computer And Only Show A Folder With Question Mark

Apr 12, 2012

A few day ago I startup up my iMac and only a folder with a question mark was shown in the screen. 

I boot from the Lion DVD, run disk utility but the only drive I get was the DVD and disk1/Mac OS X Base System. 

I turned off the computer and next morning I turned on agian and this time with no problems, I use it for a few days with no problems but yesterday it happens again... 

I do run disk utility again onlu turn it off, and this morning I tried to turn it on again, but the same foder appears...I run disk utility (get the DVD and disk1) and turn it off for a few hours. 

What I should do ? Is there any 3rd party tools that I can try do use to solve this issue ?  

PS: when the iMac started up with no problems I run disk utility and made a repair disk to the mac HD...

Info:
iMac, Mac OS X (10.7.2)

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Intel Mac :: Slow Computer - Take Over Five Minutes To Get The Menu To Show And Over Ten To Start Safari?

Feb 5, 2012

My computer is stating up very slow it take over five minutes to get the menu to show and over ten to start safari i have already cleaned out the history, cookies, caches and random files I no longer need what do I do next?

Info:
Mac OS X (10.7.2)

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Intel Mac :: Won't Boot Up And Keeps On Saying Need To Restart Computer?

Jun 19, 2012

My Imac won't boot up and keeps on saying I need to restart computer

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OS X :: Won't Boot After Terminal Safe Boot Command

May 15, 2010

After numerous attempts at booting into safe mode while holding shift on start-up, I tried entering sudo nvram boot-args="-x" in terminal to force it manually. Turns out my mac didn't like it that much.

Now whenever it starts up, it hangs on the gray screen for a bit and turns off immediately, never booting.

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IMac PPC :: It Will Not Boot Out Of Safe Boot Mode

Apr 22, 2012

I have a Imac PPC with a 2Ghz processor and 1GB of Ram.  I am running leopard 10.5.8.  Recently i woke the PC from sleep mode to find a blue screen with only the cursor working.  Using the internet, I determined how to get the PC booted in safe mode.  I have used all the disk utilities at my disposal along with onyx and cocktail to try and fix what I believe is a startup problem. I hae booted the PC in single user mode and tried the fskc codes, which i believe is just the same as the disk utility. Based on my computer all permissions are correct and there is nothing wrong with the HD.  The PC still will not boot normally.  I have even done an archive and re-install of Leopard. 

Info:
iMac, Mac OS X (10.5.8)

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OS X :: Won't Work With Start Up In Safe Mode

Feb 12, 2008

Leopoard 10.5.2 - Quad Core Mac Pro.

I'm trying to start up in safe mode, per a recommendation from Objective Development, for a Little Snitch upgrade. I'm following these steps perfectly, and I see no indication that I'm running in safe mode. Of course, I've never seen safe mode, so I'm not sure what it looks like, but I'm guessing I ain't in it because I never see the "Safe boot at the login window".

Quote:

To start up into Safe Mode, do this:

1. Be sure the computer is shut down.

2. Press the power button.

3. Immediately after you hear the startup tone, press and hold the Shift key (the Shift key should be held as soon as possible after the startup tone but not before).

4. Release the Shift key when you see the gray Apple and the spinning gear. Please be patient, booting in Safe Mode may take some while.

During the startup you will see "Safe Boot" on the login window, which appears even if you normally log in automatically.

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OS X Mavericks :: Mac Will Not Start Up Right Even In Safe Mode

Jun 2, 2014

I have a mac book pro 17. I have 2 logins. on the main one it takes a long time and only the top bar appears. the normal icons dont appear. when i move the mouse i just get the spinning wheel and i stays like that. you can not operate anything. you have to hold power button to turn it off. 

- if i try to log in in safe mode it does not owrk either. 
- if i sign in as another user in safe boot, things seem to work. i suspect something is not sitting right in the main sign in. 

I have checked the disc and it says it is fine.  I have tried to back up but i does not seem to work, it just seems to hang too. 

Info:
MacBook Pro, OS X Mavericks (10.9.3)

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MacBook Pro :: OS X Lion Won't Start Up In Safe Mode

May 12, 2012

My 2011 17" MBP won't with OS X Lion won't start up in safe mode...

Info:MacBookPro, Mac OS X (10.7.4), 2011 17" MBP with 8 Gigs of Ram

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