IMac :: Not Booting - Probably Due To Changed Permissions In Macintosh HD
Dec 19, 2010
I am guessing that is because I did something stupid.. i changed the "Sharing & Permissions" section in my Macintosh HD Get info window. To be more specific, I changed the Everyone's permission to "no access". I tried booting with the Mac OS install disc and doing the HD recovery from the Disc Utility but it didn't changed anything. In fact there is an error every time I am trying to do "Repair Disc Permissions", while the action "Repair Disc" is completed with no problems.
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May 18, 2009
White MacBook running Leopard gets stuck at grey start up screen with spinning wheel after the Sharing & Permissions for everyone on the "Macintosh HD" was changed to "no access". I booted off of system disk and ran Verify Permissions and that gave me the message " Disk Utility stopped repairing permissions on "Macintosh HD" because the following error was encountered: The underlying task reported failure on exit" Archive and Install failed as well. Tried booting off of Disk Warrior CD but MacBook kept restarting while holding down the C-key.
Luckily I did a back-up last week using Time Machine. But I would still like to refrain from a clean install if I can help it. There were a few new files and installs that occurred after the last back-up. Albeit not a major problem. So now I'm trying to change Permissions for the HD using Terminal. Current settings listed below.
total 12
d-wx-wx-wt@ 2 root admin 1024 May 18 06:50 .Trashes
--w--w--w- 1 root admin 4096 May 18 06:50 ._.Trashes
drwxrwx---@ 47 root admin 1666 May 18 06:57 Macintosh HD
lrwxr-xr-x 1 root admin May 18 06:32 Mac OS X Install DVD
But when I use the "chmod 755 Macintosh HD/" command in the Volumes Directory I get "chmod: Macintosh HD/: No such file or directory. Are their 3 spaces in that command? Or am I missing something else?
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Aug 31, 2010
My MacBook has had song big problems, and all I can get it to do is boot up with the Mac OS X install disk, or the DVD I put ubuntu on earlier. Otherwise I get the grey screen with a folder and question mark flashing on the screen. I am unable to reinstall OS X because of the error, so we (I and a guy on this site) have worked out I need to backup my files using ubuntu, format the computer and then reinstall the OS.
I don't have an external hard drive, but I found ubuntu allows me to use my iPhone in the same way. I have backed up most of my files now, but I cannot access the main folders;
Desktop, Documents, Downloads, Library, Movies, Music or Pictures and I get the following message:
"The Folder contents could not be displayed.
You do not have the permissions necessary to view the contents of "_____".
Another problem is to put these files back onto my newly formatted MacBook, I will have to access my iPhone using ubuntu, and I can't put items onto the Macintosh HD because I get the message; "Error while copying to '(name)'.
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Aug 26, 2010
I have 5 partitions on 3 harddisks. While installing Snow Leopard on one of them I Lost access to ALL of them. By using the Installer DVD I managed to fix the Snow Leopard one but the rest are locked. I can't change permissions even as an admin, tried Terminal, nothing works, I'm getting desperate (and tired-It's 2:20 in Sweden now). The symbol of the HD in the info shows a HD with a padlock on it! Is there a Terminal command to unlock it? I have never used Terminal until this happend. If I don't reply at once I'm probably in bed but I hope somebody has helped me when I wake up.
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Sep 20, 2010
I right clicked on my Macintosh HD icon, chose get info, then changed permission to read & write, and applied it to all enclosed items. Then I restarted my MacBook and it wouldn't boot. It would just hang on the Apple logo boot screen with the spinning thing. So I did some research online and saw that I would have to wipe my whole hard drive and start over since I applied read & write to all enclosed items. I put the OSX disk in, and booted to it. Before I went to install a fresh copy of OSX, I tried to repair disk permissions instead. To my delight, it worked. I was able to boot like normal. But now I am having some strange problems.
-When I load Firefox, the bouncing icon will be all jumpy.
-When I log into Skype, the log in sound will only play halfway.
-The most weird and major problem is the no setting will save at all. If I add a new bookmark in either Safari or Firefox, then quit and reopen the program, it will not be there. If I change my home page, the setting won't save after I quit out. If I remove something from my OSX dock, then log out then log back in, it will be back.
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Apr 15, 2012
When I upgraded to Snow Leopard, somehow my permissions have become affected and now when I log in as administrator, I am blocked from accessing folders that the administrator should be able to access. I think that my Administrator account details got deleted or changed to 'unknown' during the upgrade when I had to wipe my whole computer to load the new software. I now get the message: 'The folder “CrashReporter” can’t be opened because you don’t have permission to see its contents.' I can then go into 'Get Info' to change the permissions by adding my admin account (which is not there for some reason) and specifying 'read and write' and then it works fine. However, I have to do this individually for each and every folder and subfolder to make the files work properly. Is there a way of having the computer change all the access permissions to accept my admin name and password again? (So I don't have to change the permissions one at a time on each folder?)
Info:
iMac, Mac OS X (10.5.8), external HD has bootable old OS
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Mar 21, 2012
I have changed the Everyone permissions to "no access" in MacintoshHD, when I restarted I can see only the white screen. The OS is not booting. I tried using the Disk Utility from the DVD, but no changes, it is still the same.
Info:iPhone 4, iOS 5.0.1
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Nov 30, 2008
I finally got around to changing the way my wirless devices are set-up; instead of using time capsule as my wireless device, I went back to using the linksys wi-fi router (which I'd used prior to time capsule, but now set up as WPA2 if it makes a diff?) with the intent of putting time capsule in another room with my 1TB iTunes library hanging off it. All seemed to work well but I initially had a problem with the TV keep dropping the wi-fi connection. Now connected via ethernet to the linksys, no problem. iTunes streamed okay but I couldn't seem to get time machine to make a back-up - just prepared forever (overnight, still no joy).
So I noticed today that I seemed to have lost permissions on both iTime drive and time capsule. I managed to fix the iTunes drive by connecting direct to my macbook and running disk utility then adding myself again via sharing (hip hip for MRoogle), but I cannot do the same with the time capsule. Even with airport utility and connected via ethernet I can't even get the configuration up - just spins out until it throws an error. Anyone have any ideas as to what I'm doing wrong - I'm assuming it's me as this all worked in the previous set-up...
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Apr 17, 2012
I have a new MacBook Air running Lion. Every time I use my backup software, it changes the permissions on my external drives, and I have to change them from read only to read & write, so I've gotten in that habit.At one point, I noticed that the permissions on my internal *startup disc* were read only, so I (foolishly, I now know) changed the permissions on the startup disc to read & write, with apply to all enclosed items checked. As I continued working, I got messages that a number of extensions could not be used and will be disabled (or something like that). I decided to reboot, so the computer could reset and hopefully correct things.
When I tried to boot, it hung up on the grey screen with the Apple logo and the spinning clock/gear. I let it spin for a while, then forced power down and tried to boot in safe mode. The progress bar appeared as it's supposed to, but when the progress bar finished, it went back to the grey screen and hung up again. I let it spin for over 40 minutes before powering down, just in case it was doing diagnostics or something.I don't have access to the original OS DVD (nor do I have an optical drive to put it in). Any way for getting the computer to boot, at least in safe mode?
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May 29, 2012
I restored from backup OS X 10.5.8 Leopard using Time Machine to a brand new drive. After manually migrating some data to the newly restored boot drive I accidentally replaced the /Library/receipts folder with an out dated receipts folder. The problem is there is no way to get the proper receipts folder back so I'm stuck with a receipts folder filled with permissions that are not in sync with the list. I'm assuming this blunder is causing the error: The underlying task reported failure on exit, every time I try to repair permissions. I need this boot drive to be stable and want to avoid installing from DVD the OS from scratch. The drive checks out ok with every test accept repair permissions. The system is running VERY stable now on this brand new WD Caviar Black 1 TB drive. Do you think it's safe to clone this drive even though repair permissions won't work anymore?
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Jun 9, 2010
I have several files in my trash that cannot be permanently deleted due to permissions errors, but when I click 'Get Info', the file disappears, only to reappear when I close and reopen the trash. It's very frustrating! My main goal is to just get these files off my external drive and be done with them! Super Empty Trash does nothing.
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Jul 3, 2012
After reinstall of OS X 10.7.4, I restored an older copy from Time Machine backup. I want to completely replace the current "Macintosh HD" folder with the folder that TM put inside it. I created a separate user account, that did not exist before to do it. Do I need to create a root account? Is there an easy way to copy /Macintosh HD/Macintosh HD/to/Macintosh HD/?
Info:
iMac (24-inch), Mac OS X (10.7.3)
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Jun 27, 2010
Recently posted a thread but was thinking could anyone really really simply tell me in numbered steps how to get surround sound for my iMac, and what i'd need to buy. I have a home cinema system with all the speakers which go through RCA connectors (phono) into the system.
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Jan 13, 2011
Does anyone know how to synch the time on the machine to a domain controller so potential time changes do not prohibit network connectivity?
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Dec 2, 2009
Had a quick question. I'm on my third 27" stock 3.06Ghz imac that was replaced yesterday. The good news is that so far it doesn't seem to have any of the problems of my previous two 27" imac's. There is one thing though. A couple of seconds after pressing the power button to bootup there is a brief mechanical sound from the dvd drive like a quick ejecting sound even though there is no cd in the drive. My first 27" imac dvd drive made the sound but the second imac 27" Imac I had didn't. Is this sound normal? Would be curious to know why two out of the three 27" Imac's I had make that noise.
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Dec 23, 2009
I'm seeing this show up when I do a permissions repair in Snow Leopard 10.6.2
Permissions differ on "usr/share/derby", should be drwxr-xr-x, they are lrwxr-xr-x
Repaired "usr/share/derby"
It shows up each time I do this. Anyone else seeing this?
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Feb 3, 2010
I have an IMac with Mac OS X 10.5 on it. Here is what happened: I wanted to network my imac with another pc in the room that has Windows on it. I set permissions to allow read write access for other computers on the network. The pc on the network were displayed on the imac but could not be opened when clicked on. Message box stated needed to reboot imac.
On rebooting the imac all that comes up is grey screen with apple symbol and gear running underneath it. Tried booting in safe mode-screen displays progress bar.Progress bar completes and then goes away and then all i have is a grey screen with an apple symbol and rotating gear. Also tried resetting the PRAM which ended with same result of grey screen,apple symbol and running gear. Have recently moved and can not find my install disc.
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Apr 24, 2009
I, like many, am anxiously awaiting my new iMac (3.06, 4850). I just ordered tuesday but i noticed something on my order details online that i dont know what it means. yesterday when i checked the details of my order, under imac 24", it said custom configuration, then you could click it to see the specs. today it says imac 24'/SD and there is no "custom configuration" under it. whats goin on, im not freakin out but curious as to why this change occured. anyone else ever notice this or know what it means? i cant remember whether the /SD was always there or not either.
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Oct 31, 2010
i accidentally set permissions in the Mac HD Info window for Everyone to "No Access". of course it locked up. i have an external drive plugged in running Time Machine. i understand i can use that to restore...?
I ran disk utility - it failed because it could not locate the clip art folder in word (?wha?) repair disk permissions ran for 24 hours and couldn't complete. anyway - I know there is an easy solution here - i just want to be sure i'm doing it correctly so i dont make it worse than it already is...would some kind soul please provide me step-by-step instructions to either use Time Machine to repair - or something.
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Feb 28, 2009
I repaired permissions earlier and I keep getting these that won't be repaired. Is it anything to worry about? Any idea what the issue is?
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Jul 22, 2009
DaneElec 4GB stickdrive has changed to 400MBI have used only ones my DaneElec 4GB stickdrive after I have downloaded the data it has changed to 400MB capcity. On the DaneElec website i find drivers only for Windows. My Imac MacOX 5.4.6 does not recognize it. I wrote to the company email, but they do not reply. I do not use the paralell software....What can I do to reformat my stick? Anybody solved this problem?
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Jun 17, 2012
On the iMac G4 can the processor be changed from 1000mhz to a 1024mhz?
Info:
iMac
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Apr 23, 2012
I have a IMAC g5 PPC based machine.It was working fine before several days.Leopard 10.5.8 is intalled on it.Currently i am not able to boot OS.Whenever I power on the machine is stops at brown screen(with apple logo). I have tried to start in safe mode as well as single user mode. I am able to start it in single user mode but after 1-2 mins automattically it shows an error like this. "ioatacontroller device blocking bus" And after that system got stuck. I dont have any OS bootable disk. From where can I download the source of OS which I can install on IMAC g5 PPC based machine.
Info:
MAC os X, Mac OSX (10.5.7)
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Mar 31, 2012
My iMac 27 was stolen and then recovered. The thieves added a new admin account "User" that has no password. My accounts are visible, but the passwords I was using when they stole it are no longer valid. I thought I could simply use the new "User" admin account to access Users & Groups and reset my account passwords. But when I go to Users & Groups my old accounts are greyed out, I cannot select them. How can I regain access to my original accounts?
Info:
iMac, Mac OS X (10.7.3)
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Oct 26, 2007
I am getting this when repairing permissions : "Warning: SUID file System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOS/ARDAgent" has been modified and will not be repaired."
Doesn't look like permissions get fixed.
What can I do?
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Dec 24, 2009
Have a G5 iMac (non Intel) that was running OS 10.4.11 that now won't boot. I get the chime and the Apple then blue screen where it hangs. It won't even boot from an install CD/DVD (same routine) to blue screen. I had wanted to do an archive and reinstall but couldn't get the disk to boot. I have been able to Safe Boot and view files. In Safe Boot, I've verified the hard drive (no problems detected) and Repaired Privileges, but still won't boot (blue Screen). I've tried an install disk with same result (no boot and blue screen).
I've hooked the G5 to another G5 iMac, booted the bad G5 in Target Mode. The hard drive appears on the second G5s desktop. Using CCC have cloned the hard drive to an external hard drive (now have a backup of I don't know what. During the cloning, Norton AntiVirus detected and Quarantined a virus. I've run DiskUtility from the second iMac and again found no problems with the hard drive or permissions. Should I erase the bad hard drive, reinstall system software (using an interim user). The try to migrate all the old applications and files from the clone? If not what should I do next?
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Mar 14, 2009
I just bought a new iMac (2.93) today and every time I turn it on it makes a weird zzzZZ noise. Same thing happens when I wake the computer up from sleep mode. It sounds like its coming from the disc drive area. IDK if this is normal or what to do to fix it
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Aug 4, 2009
a neighboor in my buiding has found in the streets an imac indigo that isn't functionning and asked me to help him. Being skillfull on pc, despite I own an apple II, eons ago, I don't know anything about mac computers nowadays.
Searching the web, I found this might be an imac G3 with cd tray loading. When powered on, a folder with a question mark shows off.. I read that this might indicate a disk failure.
I tried powering it on with the C key down, it showed me a screen with 2 buttons: an cycling like arrow and an arrow to the right. Inserting the disk1 of panther gives me a icon in the middle of the 2 previous one with a mac osx Disc1 label. Clicking on the arrow to the right, the watch pointer revolves a bit and nothing more.
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Apr 3, 2010
I have seen discussion about booting up in 64 bit configuration. I have read that you hold down the 6 and 4 keys during boot up. Didn't work for me with my I7. How does one really check on this? My understanding Snow Leopard is 32 bit on boot up by default.
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Nov 4, 2010
For over two years my iMac has been running like a Swiss watch but in the past months I've had endless problems with disk permissions which has drastically slowed down my machine. I've erased my hard drive twice and reinstalled my OS but the problem keeps returning. Can my time machine drive be reinfecting my iMac? Or is my boot drive going bad and needs to be replaced?
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