OS X :: IMac Not Boot After Trying To Set Permissions
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 18, 2012
I tried running blackmagic design's disk speed test on our Mac pro ssd boot drive only to be told that the drive was read only. looking at the disk info I saw this:
admin: r&w
system: read only
wheel: ro
everyone: ro
I changed system to r&w to allow me to use the disk test. I would have expected to see (me) somwehere in the access list but I'm not there and I can't add myself. Is there a way to rest the drive's permissions to the default settings? Or what is the best solution to wipe the drive and start over?
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May 29, 2012
Internal hard drive crashed, could not repair. Lion installed on external boot drive, using Forklift to recover files. Cannot access the files of other users from internal drive. How di I change permissions on the internal old boot drive so I can recover the files? Â
Info:
Mac OS X (10.7.4)
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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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Jun 29, 2012
Is it better to boot in Safe Mode in Lion to repair permissions?
Info:
iMac, Mac OS X (10.7.3), iMac Late 2009
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Jan 31, 2010
Reset my disc permission is Disk utility ...like the idiot i am, and now My MBA won't boot past the Apple logo and spinning cog. In Single User Mode the key problem seems to be. sudo: /private/etc/sudoers is mode 0666, should be 0440 :/ root# sendmail: warnibg: valid_hostname: empty hostname sendmail: fatal: unable to use my own hostname / is it possible to repair permissions in Single User mode?
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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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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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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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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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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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Jun 4, 2014
I just got a new Imac last week. When I try to go into Command + R the repair mode it looks like it changed to a reinstallation mode which is what I don't want. Is there another way to run disk permissions or disk repair in Mavericks?
Info:
iMac (21.5-inch, Late 2013), OS X Mavericks (10.9.3)
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Mar 28, 2010
I have my pbook g4 in target disk mode and I am trying to make a superduper backup but I get "Error starting permissions repair for disk1s3 Powerbook-G4-#1: Operation not supported for the Mac OS X version on the targeted disk (-9950)".
Disk utility doesn't have repair permissions enabled. So, I 've only done a repair disk on the target disk which a journaled hfs+.
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Jun 28, 2014
My Macbook Pro from 2007 won't boot anymore, turns out to have NVIDIA GPU problem. It ran on Snow Leopard, but I can't enter it anymore to upgrade. I'm trying to move mail to my new Imac and have a TM backup on the desktop of it. I followed this [URL]..... Mail folder and plist are now copied in the same locations, new original Mail folder is parked on desktop because I didn't dare 'fuse' the two, let alone replace it with my old mail folder.
When opening the Mail app. I get the permissions message that I should set 'read and write' permissions on the Mail folder, but it says the info Mail wants to use is in the mail folder in the Backup folder, although I provided it with a copy in its own Library. The permissions via show info were ok, but I redid them and still the error keeps popping up.Â
Questions:Â
Why won't it use the folder from its own library?
Could this be because my previous version is too old?
I can't enter my mail or mail addresses, years of data there..Â
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Aug 28, 2014
I have a mac with os X. I have saved documents and photos on my computer and am now not able to open them. I get a message that tells To view or change permissions, select the item in the Finder and choose File > Get Info. I do that and it is not locked.Â
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May 15, 2010
I have a 2 week old iMac 27", i7, 2tb Hard Drive, 16gb RM
In the second week the boot up times became very slow.
I would turn the machine on and get the chime within 5 seconds or so.
Then just a black/blank screen.
Eventually after about 10mins I would get a white screen then it would boot up normally.
Now the machine just doesn't get to the white screen. So I get the chime and then just darkness. It does sound like the machine is on (usual quiet imac whirring).
I've tried various key commands when I turn the machine on including pressing C with the install disk in the dvd drive and the alt, control, P, R pram reset.
I've also tried unplugging all the cables, leaving the machine for a minute and switching back on. I did manage to perform the PRAM reset once. I reset the machine and it booted fine.
But now when I switch it on just darkness.
I've called after sales and will try to get the machine replaced but in the meantime is there anything I could try that might make the machine work? I need to do a remix this weekend (deadline Monday) so really need to get it working.
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Mar 29, 2009
Using OS X 10.5.6
When running Repair Permissions in Disk Utility, it reports that there are errors and that it's fixed them but if I run it again, the same errors keep appearing.
I've noticed that the current permissions on the errors are lrw-rw-rw- which I assume means that they are symbolic links and not the actual files which Disk Utility is expecting. Any idea what's going on?
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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.Â
Info:
iMac, Mac OS X (10.5.8)
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Mar 28, 2009
I think it worked at one point, but sometime around the point when I set up Fusion with the partition, Windows Aero turned off and is no longer an option in the display settings. I installed this driver with the modded INF to see if it would do anything, but Aero is still not an option. I also have issues playing some games in Fusion, while they work fine in Boot Camp.
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Nov 1, 2009
I'm using a 20" white intel iMac and cannot manage to remove a linux boot disc from the optical drive.At first, the only way that i managed to boot to the linux disc in the first place was from the Startup Disk menu in OSX. I could not even get to the Startup Manager ('opt' at boot) or boot straight to the disc ('C').Now i'm in a position where no matter what i do, the system boots to the linux disc. I cannot even force the startup into OSX to try to eject the disc from there. I've tried holding all of these keys/combinations at startup
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Oct 28, 2009
Back in August, I did an OS update on my iMac, and the machine wouldn't reboot. I was able to reinstall Leopard by booting from a disk, and all was well for a few more weeks. The machine seemed to run normal, with the exception of 5-minute-plus boot up times. But within a few weeks it stopped booting. I installed Leopard on an external HDD and figured I'd leave the internal alone until Snow Leopard came out.
A few weeks later when SL was released, I booted from the install disk, found the internal HDD, and went through the installation process. Everything went fine but the machine would not boot. I installed SL on my external HDD running Leopard, and everything was fine. I've since been running my computer off the external.
The internal HDD no longer shows up on the desktop, in Disk Utility, etc. I'm fearing it may have died. More worrisome, though, is my machine doesn't always boot up, whether from my external HDD (set as the startup disk) or from CD. By "doesn't always boot up," I mean most of the time when I restart, it just sits on a gray screen, nothing happens (even when holding "Option" or C.) Sometimes it will boot, but takes 20 or 30 minutes to do so.
I'm considering replacing the internal HDD, but am curious, does that seem like the issue, or might the failure to boot from externals and CDs indicate a more serious problem?
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May 14, 2012
I have the CD version of tiger and am trying to install it to a recently purchased iMac G3. The Installer installs disc 1, resets, but doesn't boot up to install disc 2, it simply asks again to install disc 1. The Mac for some reason will not boot from the installed software and therefore I cannot complete installation. Can anyone figure out why the mac refuses to boot from the HD in order to install disc 2?
Info:
iMac, Mac OS X (10.4)
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Jun 2, 2012
after verifying disc permissions is it necessary to "repair" disc permissions?
Info:
iMac (21.5-inch Mid 2011), Mac OS X (10.6.8)
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Jun 2, 2012
Disk Utility says there are a bunch of disk permissions that need repairing. I hit repair and disk utility says that it repaired those disk permissions. But when I verify, it says they still need to be repaired.
Info:
Mini 2.4Ghz, Mac OS X (10.6.8)
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Apr 7, 2009
When I look at "About This Mac" it says that I have a 2.4 GHz Intel Core 2 Duo. I originally had two 1GB sticks. When I installed two 2GB RAM sticks, it wouldn't boot. Just for fun, I tried putting one 2GB and one 1GB stick inside, and it boots fine.
[URL] says that I can have up to 4GB: [URL]
But the guides say that it depends on if I have Merom w/ Santa Rosa chipset or not:[URL]
But I read somewhere else that even if I install two 2GB sticks that it will just ignore the power of the second one and default to 3GB.
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Feb 24, 2010
I found this beautiful 17" eMac at a yard sale! it is pristine I fell in love. I went about removing the stuff left behind by the old owner. Now it does not boot.
After a while I get the question mark on a folder. I know what I did but not how to get out of it. I have no OS X disk to start it from. What do I do now? I did try to reset some things but no good.
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Mar 18, 2010
I am finding conflicting information when I search but can a new iMac boot from a USB drive?
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May 3, 2012
I am trying to upgrade my iMac G3 from 10.2 to 10.3, When I try booting any cd it always just continues booting to the os. I know the drive works, because I can read the disk in Jaguar.
Info:
iMac
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Jun 13, 2012
IMAC 20"Â 2.1GhzÂ
I replaced the hard drive with my other HD. It is loaded with Tiger alread but I don't have recovery discs. Â
Can I download the start up files onto USB and start up that way?Â
Info:
iMac, Mac OS X (10.4.7)
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