Question about Apple iMac Z0CY Desktop

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Imac 24 - running uber slow , trying to get to disk utility but finder is taking hours to load , everything seems totally jammed. Had to do a manual reboot and fsck proceedure this morning as it had totally locked

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  • John Appleseed Aug 15, 2010

    The issue you describe above seems to be affected by either the hard drive malfunctioning or perhaps the system files have become corrupt slowing down the processes of the OS. Below you will find 2 solutions to diagnose and resolve the issues you are experiencing.

    Before proceeding, you will need the following:

    A. Computer (Mac)
    B. Mac OSX Install DVD
    C. Replacement Hard Drive (if found to be faulty)

    Solution A. OS System Files Corruption

    1. Power on the Mac and press/hold down the "Option" key while booting.
    2. After about 20 seconds, you should be prompted with a screen with a hard drive icon. Insert your Install DVD.
    3. After a few seconds, the DVD will load and the icon will appear on-screen, click on it.
    4. This will boot the DVD and bring you to the installation menu.
    5. Once there, click on "Utilities" on the menu bar an select "Disk Utility".
    6. If the Disk utility loads, then chances are the problem you are experiencing is software related, go to step #7. If it does not load, then skip down to Solution B, step #1.
    7. Click on your hard drive in the left-hand panel and run the following commands completely.
    7a. Verify Disk Permissions
    7b. Fix Disk Permissions
    7c. Verify Disk
    7d. Repair Disk
    8. Based on what the utility finds, the issues may be resolved. If the output states that any errors were corrected, reboot your Mac and try to boot normally. If the output states that errors remain, you may wish to backup your files and/or archive them, and reinstall Mac OSX from scratch. If the issue still persists after a reinstall, then the errors maybe irreparable, skip down to Solution B, step #1.

    Solution B. Hard Drive Corruption/Malfunction

    1. 1. Power on the Mac and press/hold down the "Option" key while booting.
    2. After about 20 seconds, you should be prompted with a screen with a hard drive icon. Insert your Install DVD.
    3. After a few seconds, the DVD will load and the icon will appear on-screen, click on it.
    4. This will boot the DVD and bring you to the installation menu.
    5. Once there, click on "Utilities" on the menu bar an select "Disk Utility".
    6. Click on your hard drive from the left-hand pane and look at the drive information listed at the bottom of the main page. Check the status of the drive under the "Smart" category (if available). If the status is "verified" then the drive is working properly; If the status is "failing" (or anything else), it may be malfunctioning and needs to be replaced.
    7. If you have not already done so, backup your files.
    8. Turn off your machine.

    Disclaimer: Replacing the hard drive on the iMac line is not a simple task. It is highly recommended that this be done by an expert and someone who is Apple certified, like a Mac Genius from the Apple Store. The hard drive is not considered by Apple to be an end-user replaceable part and as such any existing warranties or coverage will be voided if performed by someone other than an Apple trained technician.

    You can always visit a nearby Apple Store and have one of their Genius staff perform the replacement for little to no out of pocket cost on the labor. The part (Hard Drive) will still need to be purchased by the end-user either at the Apple Store or if you find a better deal elsewhere, such as eBay, Best Buy or other 3rd-party retailer, just bring the hard drive in along with the iMac and Apple will do the replacement there.


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Well, there are a variety of reasons that can consequently drag down the performance of your Mac. Meanwhile, there are certain ways through which you can considerably speed up your Mac machine. For example, you can reset the browser settings to regularly clear useless caches and history, get rid of all unwanted widgets from the dashboard through the Dashboard control panel, remove unnecessary applications, find out & delete those duplicated files, or if your Mac is running out of memory, try upgrading the system RAM to boost its performance etc. However, if you prefer a more efficient way to speed up your Mac, try the following all-in-one Mac speedup tool as it can help resolve all issues in just a few clicks.

Posted on Sep 04, 2012

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Can you access disk utilities by booting from your mac installation disk? If all else fails you should wipe out your hard drive and re-install Mac. Hopefully you have made constant backups of your pics and music. You more than likely need to repair disk permissions and erase free space within disk utility

Posted on Nov 23, 2010

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If you don't restart it periodically, it will slow down. Restarting will reallocate the memory. If that doesn't improve speed, use your Disk Utility program in the Utilities folder to verify and repair your disk and disk permissions.

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Hi there,
First off, would it be possible for you to give us a little more detail on the problem, such as, does the finder open? is your dock onscreen? does your wallpaper appear?
As far as i can see, your best bet woud be to reboot your imac with the OSX disk in. Then boot your computer and before you hear the chime hold down the C key on your keyboard. this will boot from the disk. Once it has loaded, select your language, and then go to the utilities menu at the top and find disk utility. open it and run repair disk and repair permissions.
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At login I get the rainbow wheel; i eventually get the login window, then the rainbow wheel again, permanently.

This seems to happening a lot at the moment!
From experience it can be a number of things, the worst being a failing hard-drive These imacs are now at least 6 years old and unfortunately HDs don't last forever anymore.
Try starting up from your install Cd and run the disk first-aid found in the utilities menu. Does it fix anything? does the Mac now start up properly. Also while you are in the utility, look to see how much free space is left on the HD. You should have at least 10% of the HD's total capacity free. if not then the system has to work overtime and that invariably invokes the beach-ball.
If the utilities found nothing wrong and you do have plenty of free space then the next thing is to do an "Archive & Install"
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My imac wont turn on!

It sounds like something is either corrupted on your system or one of the files in your imac may be suspect. What I would suggest is get your system disc boot the imac down holding down the c key on your keyboard. Once it is booted up go to the file menu and find the disk utility. Open up the disk utility and first of all repair your disk permissions and then run disk verify and if an error comes up choose to repair it.

If this does not work. I would suggest installing a clean system. Again with the system disk in your computer restart your machine with the c key held down on your keyboard. Choose to do an install but remember to select preserve users. This will give you a clean instal with your files and preferences intact.

Once your machine has restarted it is well worth setting a second account under system preferences under accounts as if one account becomes corrupt in the future you have a second account to fall back on.

For prevention of any problems in the future I would download Onyx from this website which also talks you through the method of using it. I use it every month just to keep my mac in tip top condition.

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I understand you've doubled the ram ... It is now at least 2gb?

Please look at the following at the event viewer logs to see if anything looks out of the ordinary. (Control Panel, Administrative Tools, Event Viewer ... look at the Application and System Log in particular).

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Please report back so we can resolve your issue. Thank you.

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