I have iMac 24 hard drive not found in disk utility, I have iMac 24 hard drive not found in disk utility

Can't find hard drive using instal DVD or disk utility

See if this helps: Mac OS X: Gray screen appears during startup

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I have an imac running OSX leopard 10.5.4, and a flashing question mark comes up on the screen. I opened disk utility, and in the sidebar my hard drive is not there. I also did the Hardware test supplied with the install CD, and "no problems were found".

note: I have not done the extended hardware test yet.

Can we assumed that the Disk Utility you used was not on your hard disk? If it was on the hard disk you can ignore most of the advice here and we should start again.
I am am a retired Electrical Engineer with many years electronics and IT experience and advise that whilst it is likely that the hard disk has failed and may never work again this may not necessarily be the case.
Do you normally hear or feel the disk running and has this changed?
Have you moved, dropped or hit your Mac while the disk was rotating? - never good for disks.
Even if the disk is not rotating it may not have failed - there could be an imperfect connection, damaged pcb track, a Mac electronics failure such as disk power etc.
The disk could be working mechanically and there could be a break in the data route to or from it etc.
Getting at disks inside some Apple assemblies can be tedious but probably not as bad as you may think - Google for instructions and pictures.
Much may depend upon how important information on a troublesome disk is. Even with a totally dead disk 90% of data can normally be extracted - ocasionally I have been lucky enough to do this at home - a few years back several experts were offering to to this for about 1,000 USD.
Trying the disk in another enclosure was good advice.
You could try gently moving your powered up Mac to see if anything changes.
It is technically possible for a software (unlikely as issue still exists booting from DVD I assume) or firmware issue to cause your symptoms so it might be wise to try every type of reset you can find before going any further. Firmware normally resides within the electronics - it often affects booting and power supplies etc.
Good luck.

I have just installed a new hard drive in my imac intel 20" (2006) and now the hard drive does not show up in the 'select destinations' folder of the install program.

I have just installed a new hard drive in my imac intel 20" (2006) and upgraded the memory and now the hard drive does not show up in the 'select destinations' folder of the install program. I can see the hard drive in the disk utilities window however it wont let me do anything.
It is a seagate 1TB SATA II drive however it is displaying it as a 7.3 TB.
If anyone has any suggestions I would be happy to hear them.
I have tried to erase and partition and get the same error message each time, 'Input/Output error'.
I have tried starting the thing with the install disk which is Mac OS X (Tiger?) which came with the computer. No good.
Anyone?

Thats correct. I can see it in the list however when I attempt to erase it or partition it it's like it's not being found or recognised and it throws up the input/output error message. I am pretty sure that the sensor it attached correctly and it is a SATA drive. I can see all the infor regarding the drive when disk utility is open and it all looks good but I cant access it or do anything with it. It's taunting me!
The install disk is in the drive and the install program runs right up to the point where you have to select the location for the install and there is just nothing in the box where you have to select the hard drive icon.
I have my suspiscions about the drive but any help would be appreciated.

I have a late 2012 iMac running osx 10.8.5. I keep losing access to my internal hard drive. I can reboot and regain access and it will last for a few minutes or hours. Disk utility does not seems to help.

I have a late 2012 iMac with an I5 precessor running OSX 10.8.5 and a 1tb internal hard drive. I keep losing access to the internal hard drive/startup disk.
I can reboot and everything operates as normal for a few minutes or hours but then I lose all access again to anything on the hard drive. The computer is still up and running but no files can be accessed and certain websites cannot be acessed even though internet access appears to be normal. Disk utility can only find permission errors related to iTunes which can be repaired only to come back at the next scan (I would not think permission errors would have anything to do with the hard drive crashing). It does not seem to matter what program I am using at the time access is lost and it can lose access sometimes right after reboot when no program is running.

You will need to boot into the Recovery Volume (command - R on a restart or hold down the option/alt key during restart and select it) to run Disk Utility/Disk Repair.

HT2674 I have an iMac purchased in May 2011. OSX Lion 10.7.3. I deleted backup file from the external hard drive. Now, the trash can will not empty some of the files deleted. File folder: "Core Services" contains a locked file: "boot.efi". It will not

I have an iMac purchased in May 2011. OSX Lion 10.7.3. I deleted backup file from the external hard drive which operates from Time Machine.
Now, the trash can will not empty some of the files deleted from the backup harddrive.
The trash contains-- File folder: "Core Services" which contains a locked file: "boot.efi".
It will not delete.
How do I get the trash can empty of these files?

Yes, the Old Master file has a folder for each year where I find all photos from that specific year. I am attaching a screen shot of the file.
In the meantime i have managed to download all photos (it did not download any video files though in mpg, avi, 3gp, m4v,mp4 and mov format) to a new iphoto library. Unfortunately the photos are quite mixed and often doubled up. I ma considering to purchase iphoto library which checks all duplicates in iphoto. this will save me a lot of time. What do you think?

HT1766 I am trying to backup my ipad on the imac but keep getting not enough room on this computer to backup !! I have to external hard drives on the iMac 1TB and 2TB. How do i get the ipad to back up to one of these where there is plenty of spce availabl

I have an imac and ipad 2 which I am currently trying to back up to the computer in order that I can wipe the pad completely and pass it on to someone else as I now have a new pad.
The problem I am getting is that the ipad back up cannot be complete as there is not enough space available on the computer?
I have a 1TB and a 2TB external hard drives available with space on both so how do I back up the ipad to one of these then load back onto the new pad??

Mac - How to Move the iPhone & iPad iTunes Backup folder to an External Hard Drive
http://osxdaily.com/2011/03/05/how-to-move-the-iphoneipad-itunes-backup-folder-t o-an-external-hard-drive/
How to Change the Location of Your iPhone Backup (Mac)
http://ismashphone.com/2012/05/how-to-change-the-location-of-your-iphone-backup. html
 Cheers, Tom

I have a new hard drive as my old one crashed. Everything seemed to transfer fine except for my entire iTunes library. It shows all of my old songs, but when I click on one it states "the song could not be used as the original file could not be found

I have a new hard drive as my old one crashed. Everything seemed to transfer fine except for my entire iTunes library. It shows all of my old songs, but when I click on one it states "the song could not be used as the original file could not be found.would you like to locate it".
Either how do I locate it, and I've tried every trick I know, or how do I restore all of my songs from one of two sources. I have my old hard drive backedup on an external drive which should have all of my songs, and I have most of my songs on my old iPhone 3S which I'm using as a backup iPod.

The "missing file" error happens if the file is no longer where iTunes expects to find it. Possible causes are that you or some third party tool has moved, renamed or deleted the file, one of its parent folders, or the drive it lives on has had a change of drive letter. It is also possible that iTunes has changed from expecting the files to be in the pre-iTunes 9 layout to post-iTunes 9 layout, or vice-versa, and so is looking in slightly the wrong place. In the case of a library moved from one system to another there are also potential permissions issues. See Repair security permissions for iTunes for Windows.
Select a track with an exclamation mark, use Ctrl-I to Get Info, then click No when asked to try to locate the track. (Due to a bug in iTunes 12 you currently have to say No twice!) Look on the summary tab for the location that iTunes thinks the file should be. Now take a look around your hard drive(s). Hopefully you can locate the track in question. If a section of your library has simply been moved, a folder renamed, or a drive letter has changed, it should be possible to reverse the actions. If the difference between the two paths is an additional Music folder in one path then this is a layout issue. I can explain further if that is the case.
In some cases iTunes may be able to repair itself if you go through the same steps with Get Info but this time click Locate and browse to the lost track. It may then offer to attempt to automatically fix other broken links.
If another application like Windows Media Player has moved/renamed the files then the chances are that subtle differences in naming strategies will make it hard to restore the media to the precise path that iTunes is expecting. In such cases, as long as the missing files can be found somewhere, you should be able to use my FindTracks script to reconnect them to iTunes. See this post for an explanation of how it works.
See also Recover your iTunes library from your iPod or iOS device.
tt2

I have just had my hard drive replaced,I downloaded my files to a hard drive and now when I try to re start my iMac it ask's me to enter my pass word I do that but it's not recognise my pass word,what do I do?

I have had a new hard drive installed in my imac,I down loaded my files to a external hard drive,when I tried to re start,it asked for my password,I typed it in and it did not recognise it and I can't use my computer!can anybody help me please!!

Not sure why it's happened, but you could try resetting the password. These instructions work for Lion & Mountain Lion. If you're on Snow Leopard you'll need to use the install disk that came with the Mac.
http://osxdaily.com/2011/08/24/reset-mac-os-x-10-7-lion-password/

Following hard drive failure on iMac running Maverick I have recovered from TimeMachine backup but now app store does not connect. All other internet connections normal. Does anyone know of a fix?

following hard drive failure on iMac running Maverick I have recovered from TimeMachine backup but now app store does not connect. All other internet connections normal. Does anyone know of a fix?
Also mail not loading. The error report suggests that I look for updates from the app store?

http://www.apple.com/support/mac/app-store/contact/

I had a new hard drive fitted to my imac and restored it from my time machine back when I try to open itunes I get this message "the itunes library extras.itdb file is locked, on a locked disk, or you do not have write permission for this file"

I had a new hard drive fitted to my imac and restored it from my time machine back up on an external hard drive when I try to open itunes I get this message "the itunes library extras.itdb file is locked, on a locked disk, or you do not have write permission for this file"

To solve this issue all I did was check to ensure that the file permissions were set as described by the earlier posts, followed by simply deleting the iTunes Library Genius.itdb file. Once the file was deleted I was able to open iTunes without difficulty. Note that I am running Windows 8. Hope this helps!

WD 1TB not recognised on 13" macbook pro retina (late 2013) even though it is exFAT file structure. The same drive is recognised on iMac and an old Dell laptop. I also have a seagate 2TB external hard drive (powered) that is recognised by my macbook pro.

I just bought a late 2013 macbook pro retina 13" a few days ago. I am trying to transfer all my music from my old Dell laptop. I formatted by 1TB Western Digital MyPassport to exFAT to allow read and write on both operating systems. The 1TB WD My Passport is recognised by both my Dell and iMac but not my new macbook pro retina 13 (late 2013). My 1TB WD My Passport is USB 3.0 with USB 2.0 backward compatability. I also just bought a 2TB Seagate Desktop Backup Plus (which is powered) for backing up and extra file storage, THIS WORKS! I don't understand how this works on my macbook pro but my 1TB western digital my passport doesn't. PLEASE HELP!! I have done full formats as well (not quick ones) which take nearly 8 hours. PLEASE HELP

Is there a pattern to the time of day or other detail that may be
traced back to a OS X system cause of this odd phenomenon?
Are there any copies of system files on any of the attached USB
external drives? Any libraries, such as iTunes, iPhoto, etc?
Once the drives are indexed by Spotlight, are their permissions
ignored by the OS X? Content, if neutral, should not affect the
wake or sleep cycle; especially if they're ignored by the OS X.
Could there be a bad cable or other component? If so that would
be a difficult process of elimination to detect it. Usually replacing
most suspect components in the USB stream (external to Macs)
is a rote way to mechanically test that idea; & not 100% sure.
Does the equipment all have a good ground to the utility or house
electrical field? An intermittent ground may affect more than sleep.
Hard to say at this point. Maybe a late-night talk radio guru on
remote viewing could peer into your situation and sleuth it out?
Sorry to have run out of ideas, but the process must be electrical
& mechanical to some extent. - Or perhaps odd software inspired.
Do you have any phone-home spyware items inside, just jumping
at the chance to spill your information? Little Snitch may help.
PS: Perhaps the computer needs to go into Apple & have a genius
or product specialist at AASP test the unit thoroughly... BlueTooth?
see:
https://www.google.com/?gws_rd=ssl#q=Wake+reason:+XHC1
Good luck & happy computing!
edited 2x

I have had my iMac for 55 days now and twice I had to power off/on and then It does not power up correctly. I verified my disk and found errors that could not be repaired. I erased the drive and restored system back to the previous day.

I have had my iMac for 55 days now and twice I had to power off/on and then It does not power up correctly. I verified my disk and found errors that could not be repaired (errors were associated with boot drive) I erased the drive and restored system back to the previous day. Has anyone else experienced this problem?

Since it's a new machine, contact Apple's Support and let them deal with it. Allen's already recommended an Apple repair station visit. Do note that if you have AppleCare's protection plan and you're within 50 miles (80 KM) of an Apple repair station, you might be eligible for an onsite repair since yours is a desktop machine (depends on where you're located). BTW, the AppleCare Protection Plan's the best warranty policy available for desktop machines. Get it if you don't have it before contacting Apple.
27" i7 iMac (Mid 2011) refurb, OS X Mavericks (10.9.4), ML & SL, G4 450 MP w/Leopard, 9.2.2

Is iCloud as good to back up files when an iMac 2007 model does not have an external hard drive is this enough to find files and apps at another time

I have given my iMac 2007 model running mountain lion OSX 10.8.3 to a friend and she doesn't have an external hard drive to back up would using iCloud be as good to back up files pictures etc and can I find them again if lost please.

These are the iCloud storage options: http://www.apple.com/icloud/includes/lightbox-storage.html
Also bear in mind that:
1. restoring data over icloud takes time
2. iCloud is not designed as a replacement to Time Machine.

How come IMAC does not recognize my Seagate hard drive that I used to use on my PC...I have a lot of documents on this that I need to use

Could you help me, I would like to use my Seagate hard drive that I used on my PC on my IMAC but It does not recognize it and I have a lot of documents I need on this small hard drive....

Please provide more information. Do you mean the drive cannot be seen in Finder or on the Desktop? If it is visible in the Finder sidebar but not the Desktop you just have a setting to correct Finder - Preferences - General Tab and make sure External Disks is checked.

Need to reinstall Photoshop elements on my iMac - hard drive crash and do not have a back-up copy. How do I get another copy?

Need to reinstall Photoshop elements on my iMac - hard drive crash and do not have a back-up copy. How do I get another copy?

Unfortunately, you're in the wrong forum. This is not the Elements forum.
Here's the link to the forum you want:
https://forums.adobe.com/community/photoshop_elements/content

I have iMac 24 hard drive not found in disk utility, I have iMac 24 hard drive not found in disk utility

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