IMac G5 Replaced Failed HD - will not boot.

Hello,
I have an iMac G5 Model A1076 on which the Hard Drive was failing. I thought I would be able to save the data by transferring it to a new hard drive (literally as the old one died) but it seems perhaps the transfer did not complete before the old HD died.
Therefore, I now have an iMac G5 with a new HD that boots only to the "Question Mark / Mac on Folder" grey screen upon turning the computer on. I inserted an OSX disc in hopes of rebuilding the operating system but cannot get past the grey screen.
How do I get this computer working again?
Thanks so much!!

If you don't have the original discs, unfortunately you will have to get a newer retail version of Mac OS X that supports the machine. That usually would be 10.4.6 or 10.5.6. Apple retail by phone may have it, but it is no longer available on their website. The retail DVD looks either like:
* or * respectively.
It would not say OEM, DropIn, or Upgrade. The G5 iMac can't be upgraded to Snow Leopard.
- * Links to my pages may give me compensation.

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<Re-Titled By Host>

The bottom of that article says to contact an authorized service technician. You may also find that simply replacing the PRAM battery (the coin shaped battery) helps. Note: if you have any capacitors that are labelled X on their top (as opposed to just K), you may have the problem of the leaking capacitors which required a power supply and/or logicboard replacement. The leaking capacitor was an industry wide problem.

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I restored my iMac from an external drive using time machine and when it restarts, it sit with the grey screen and petals rotating.
The restore was used as I had tried to share be two iTunes libararies and manged to loose the content links within iTunes, so thought the restore would take me back, pre user error.
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Software update via desktop manager failed, phone will not boot

I used the Desktop Software (I had to update this first to version 6.00.43; anyway, that's what the Rim.Desktop.exe file properties in Windows Explorer says it is) to update my Curve 8900 's software. It went through the first two steps of downloading and installing; then just sat there stuck on the reboot step -- no kind of error message, just stuck, with phone displaying the AT&T sign on screen for probably a good chunk of lat night (started doing this a little before bed) and all through the day today. Only removing the battery will shut off the phone; once restarted, the white progress bar fills up over a number of minutes and goes back to the AT& screen again; hangup button will not shut the phone down. If I reconnect the USB and the Desktop Software is still running, status message continues to say "disconnected"; if I first connect the USB and then start the software, get a "connecting..." status message but it never connects. Windows 7 "Safely Remove Hardware" list does not display it.
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Close Desktop Manager.
Then do this:
http://www.blackberryfaq.com/index.php/How_do_I_wipe_the_BlackBerry_using_Jl_Cmder%3F
Then follow the instructions exactly in the first post of this thread to install the OS listed there.:
http://www.blackberryforums.com/general-8900-series-discussion-javelin/227412-os-8900-v5-0-0-1168-5-...
Once you have that done, then you can use Desktop manager to restore the backup file that the original update should have made.
1. Please thank those who help you by clicking the "Like" button at the bottom of the post that helped you.
2. If your issue has been solved, please resolve it by marking the post "Solution?" which solved it for you!

IMac with 10.6.6 will not boot from external with 10.4.11

My MacBook Pro with 10.6.6 will boot from that same external with 10.4.11 but the iMac does not. Why not?
1. When the iMac is starting up with the Option key depressed, the bootable 10.4.11 appears normally and can be selected. But when I click on the circle below the bootable icon, the computer freezes.
2. When I have the iMac running and try to change the startup volume via the Preferences, the bootable icons are present but are not active.
Is there a setting on the iMac I need to reset? Or, is it not possible to boot from the 10.4.11 external?
Specs:
MacBook Pro Processor - 2.16 GHz Intel Core Duo, Memory - 2 GB 667 MHz DDR2 SDRAM
iMac Processor - 3.06 GHz Intel Core i3, Memory - 4 GB 1333 MHz DDR3

The answer is dependent upon what version of OS your machines came with (and the install disks are machine/build specific) - no Mac can boot from a system older than what was supplied with the machine. So, if your MBP originally came with 10.4.x and you upgraded it since, it can still be booted from the earlier version. If your iMac came with 10.6.3 for instance, it can only be booted with 10.6.3 or later.

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My iMac G5 (non-intel, non-isight) has been slow for a few days. I've tried to isolate it to an application but couldn't really find anything. We didn't install any new applications before it started slowing down.
So I ran software update, installed 10.4.8, shut down, and then it never restarted! It goes to the gray screen with the Apple mark and the little circle loading indicator. But it gets stuck there.
Apple Care is closed for the weekend so I need help. Help!

To Apple Discussions!
Which model G5 iMac with no isight?
http://docs.info.apple.com/article.html?artnum=301724-en How to identify your iMac
See Mac 101-Lesson 2: Startup Setbacks.
Click on the topic link(s) that pertain to your issue(s).
Good luck!

IMac will not boot

Hello everyone,
I feel as though I'm fighting a lost battle, but just in case, I wanted to know if anyone could help before I throw in the towel.
So my iMac (early 2010, I believe), will not boot.
It gets stuck at the loading screen with the apple logo. The loading globe/icon is there but it just keeps going, and nothing changes. Another loading bar, which I assume is the one that appears when you try to boot in safe mode, shows up for a few seconds and disappears without any progression on the bar.
I've tried booting in safe mode, it doesn't work. The loading bar appears and disappears, that's it.
I've tried booting in recover mode AND internet recovery mode, doesn't work. While attempting to boot in recover mode, the apple logo and loading globe eventually disappear but then the screen is just white and blank, nothing else happens. With internet recover mode, the screen goes black, and immediately turns back on white and blank, but nothing else happens.
I've tried booting using single user mode, doing the fsck command. Tells me "keys are out of order", "HD could not be repaired", "file system was modified".
I've tried resetting the NVRAM with opt + cmd + P + R
I've tried resetting the PRAM, turning off my computer, unplugging everything, waiting 30 seconds, plugging everything back in, waiting 10 seconds, and turning it back on. And when I saw unplug/plugging everything, I just mean the power cord. My mouse and keyboard are wireless, and have not had anything else plugged in.
I do not have a boot disk, bc my os came digital, and I did not make a bootable copy.
I do not have another mac computer to try the target disk mode.
I do not want to go to apple so they can just scrap my HD, and everything that is on it.
I just need to boot it once so I can at least try to back everything up.
So what can I do?
Please, someone save me...

I know there aren't a lot of answers for this but, I don't know, maybe someone knows that target disk mode will have a good chance of working. Or is it possible to create a bootable disk, and that'll probably work? Or maybe one of you knows some magical trick to get my booting unstuck.
I just need my computer to boot once, ONCE, so I can back everything up and reformat, bc I know my HD is the problem, I know it's messed up. I just need a way to get it to boot once.

My Mac will not boot up!!!

Hi! My iMac 10.7.5 desktop will not boot up, I just get a white screen after the apple logo.
It will only start in safe mode. Will not go into recovery mode either. I just get a white screen.
I have tried:
Removing all cables and trying to start in recovery mode.
Resetting the PRAM
Fcuk
I have not been able to do the "repair disk" because it is not available in safe mode, and cannot open recovery mode!
CAN ANYBODY HELP ME PLEASE??????? I don't know what to do now. Thanks

Also depends on what you mean, what the red lights inside are showing, whether it is bad system drive, video card, SMC, whether you can get into Mountain Lion Recovery or not. And whether you hear the chime, it powers on or not.
Unplug everything. No power or USB connected.
Remove all the drives and see if you get the "?" on startup.
If you had made a clone of your system and have that 'sittin on shelf' now is the time to use it.
Hit power button for 10 seconds. Wait a minute. Reconnect bare basics (power, video, kb/mouse)

I took my iMac 2010 to a "Third Party" company to replace my hdd, they did, but now it will not boot. if i took this to the Apple store, how much would it cost to fix? if i buy my own SSD (£70) Thanks a LOT!

I took my iMac 2010 to a "Third Party" company to replace my hdd, they did, but now it will not boot. if i took this to the Apple store, how much would it cost to fix? if i buy my own SSD (£70) Thanks a LOT!

DewiRobbo wrote:
Well, this "third party" is going to put my old hdd back and not charge me any money (as he did not fix it) but i think its better off taking it to an AASP because i have a feeling Apple store will charge way too much.
The way I read that comment – you seem to suggest the Mac was broken before the third party replaced the disk - is that the case or was it working before the HD was replaced?
Since the Mac is out of warranty you will have to pay for any repairs wherever you take it. Authorised Apple service centres will be able to get parts whereas any non certified technicians will have to use 'grey market' parts since Apple will not sell parts to the public. These may be reconditioned or not official parts - it's a risk to use them. Visit the Apple store & ask them - there is no point in lying about it being handled by a third party. An Apple tech may be able to tell when they open the case, depending on how meticulous your third party was.
If you are handy with a screwdriver & have tools and a lot of patience you could use a guide on iFixit.com, but there is no indication of why this Mac not booting up.
It could be that the disk is not formatted correctly.
Are you sure the tech copied an OS onto the disk? Did they install the OS for you or did they clone the old disk?
Can you boot from a backup disk or from an install disk? Does the disk appear in Disk Utility when booted from another OS (either the installer or a backup).
'Not booting' can mean so many things, what does booting do exactly? Grey screen, black screen, any noises or tones, any signs of life at all…?
If you look at the iFixit guides you will see many fiddly connectors, if the tech failed to hook them all back up it could explain the failure, or perhaps you just have a disk that is 'dead on arrival' - sometimes that happens. A properly trained technician should be able to figure that one out.

Need to erase hard drive and reinstall system on iMac but have misplaced original install disks. Tried to use a my copy of Snow lepord 10.6 from my Mac pro but will not boot. Can original install disks be replaced. Thanks

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My 2011 IMac will not boot up past the White apple logo screen with the whirly circle

My 2011 IMac will not boot up past the White apple logo screen with the whirly circle. I have tried various commands but to no avail. does anybody have any advice?

Take each of these steps that you haven't already tried. Stop when the problem is resolved.
Step 1
The first step in dealing with a startup failure is to secure the data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since the last backup, you can skip this step.
There are several ways to back up a Mac that is unable to start. You need an external hard drive to hold the backup data.
a. Start up from the Recovery partition, or from a local Time Machine backup volume (option key at startup.) When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.” The article refers to starting up from a DVD, but the procedure in Recovery mode is the same. You don't need a DVD if you're running OS X 10.7 or later.
b. If Step 1a fails because of disk errors, and no other Mac is available, then you may be able to salvage some of your files by copying them in the Finder. If you already have an external drive with OS X installed, start up from it. Otherwise, if you have Internet access, follow the instructions on this page to prepare the external drive and install OS X on it. You'll use the Recovery installer, rather than downloading it from the App Store.
c. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, start the non-working Mac in target disk mode. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
d. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
Step 2
If the startup process stops at a blank gray screen with no Apple logo or spinning "daisy wheel," then the startup volume may be full. If you had previously seen warnings of low disk space, this is almost certainly the case. You might be able to start up in safe mode even though you can't start up normally. Otherwise, start up from an external drive, or else use the technique in Step 1b, 1c, or 1d to mount the internal drive and delete some files. According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation.
Step 3
Sometimes a startup failure can be resolved by resetting the NVRAM.
Step 4
If you use a wireless keyboard, trackpad, or mouse, replace or recharge the batteries. The battery level shown in the Bluetooth menu item may not be accurate.
Step 5
If there's a built-in optical drive, a disc may be stuck in it. Follow these instructions to eject it.
Step 6
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to start up, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can start up now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
Step 7
If you've started from an external storage device, make sure that the internal startup volume is selected in the Startup Disk pane of System Preferences.
Start up in safe mode. Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a Fusion Drive or a software RAID, you can’t do this. Post for further instructions.
Safe mode is much slower to start and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know the login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
When you start up in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, the startup volume is corrupt and the drive is probably malfunctioning. In that case, go to Step 11. If you ever have another problem with the drive, replace it immediately.
If you can start and log in in safe mode, empty the Trash, and then open the Finder Info window on the startup volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then restart as usual (i.e., not in safe mode.)
If the startup process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 8
Launch Disk Utility in Recovery mode (see Step 1.) Select the startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it may produce. Look for the line "Permissions repair complete" at the end of the output. Then restart as usual.
Step 9
If the startup device is an aftermarket SSD, it may need a firmware update and/or a forced "garbage collection." Instructions for doing this with a Crucial-branded SSD were posted here. Some of those instructions may apply to other brands of SSD, but you should check with the vendor's tech support.
Step 10
Reinstall the OS. If the Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Step 11
Do as in Step 9, but this time erase the startup volume in Disk Utility before installing. The system should automatically restart into the Setup Assistant. Follow the prompts to transfer the data from a Time Machine or other backup.
Step 12
This step applies only to models that have a logic-board ("PRAM") battery: all Mac Pro's and some others (not current models.) Both desktop and portable Macs used to have such a battery. The logic-board battery, if there is one, is separate from the main battery of a portable. A dead logic-board battery can cause a startup failure. Typically the failure will be preceded by loss of the settings for the startup disk and system clock. See the user manual for replacement instructions. You may have to take the machine to a service provider to have the battery replaced.
Step 13
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store, or go to another authorized service provider.

IMac 27 inch i7 OSX Lion will not boot up from Hard Disc

iMac 27 inch i7 OSX Lion will not boot up from Hard Disc on cold start, and cannot find wifi hardware in the machine. Restart and everything is fine. I have two machine and they behave the same. Software or hardware problem?

First of all, try a hard restart; making sure no disks are in the slot, unplug everything from your computer (keyboards, mice, etc.) and then unplug the computer itself. Leave it unplugged for a minute or two, then plug it back in and boot it up.
If that fails, reboot it while holding down the option-key on your keyboard. The screen should show a choice of which disk drive to boot from. Choose your usual drive.
If that fails, reboot it while holding down the shift-key on your keyboard. It should take a while for it to boot up, as it is destroying all connections to sources that may contain a virus.
If that fails, reboot it while holding down keys "option-command-P-R" until you hear the startup tone a second time.
If that fails, reboot it while holding down the C-key. Make sure you have inserted the installation disk before doing this step.
If that fails, reboot it while holding down the command-key and the R-key.
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IMac 24' green & magenta vertical Lines will not boot.

Firstly let me say Hello all ^_^ Secondly, I hope this is posted in the right forum. :Oops:
The problem started a few days ago when my iMac went into screen saver mode and the whole screen had frozen and become pixlated with squares and a general scrambling of the screen, noise, grain, etc.. It wouldn't awaken from it's slumber so I did a hard restart.
The familiar friendly chime greeted me but the screen was covered in Vertical Green lines that are full of pixels, moving almost like static. The apple logo appeared and the spinning gear but that stopped spinning after about 20 - 30 seconds.
When I tried to boot into Safe mode this happened to the Apple logo (after about 3 or 4 mins)
The apple genius' are booked solid till next Thursday (27th) so I decided research and trial an error were my best options.
The following are the steps I have tried and where I am currently. Sorry for the lack of punctuation, etc...
On startup, Chime sounds, green vertical lines with what appears to be static, sometimes with Magenta in.
Apple logo appears
spinning lines lock up after about 10 seconds. Freeze.
Will not boot into Safe mode (by holding Shift after chime)
Will not boot from Mac OSX disk (by holding C after Chime)
Tried zapping the Pram (Shift, option, p & r on chime, Wait for 3 chimes)
Removed RAM 1 at a time tested in other slots, no change.
WILL enter into single user mode (holding Shift & S after Chime) so ran fsck twice to receive the Hard drive OK message. PHew Hard drive is OK then.
Reboot from here, same Vertical Magenta and green (sometimes just Green) Lines with static, Apple Logo, Spinning gear and freeze.
So connected with firewire into target disk mode. (connect mac book pro to imac using firewire cable and hold down the T key on your target computer, in my case my iMac) This essentially makes the imacs hard drive into an external firewire drive. Hard drive OK. Backed up. YAY. (most relieved to get back photos & current work)
Thanks for bearing with me on this epic post. ;);) and thanks in advance for sharing the knowledge.

Maybe this is a little late since this was last year but I thought I would post what the actual problem & solution was.
I took the iMac into see the Genius' and as it turns out it is indeed the graphics card. Luckily enough for me my iMac was just before they started soldering on them onto the logic boards AND it's one of the known faulty Nvidia Cards, which means a free repair, (luckily)
It took about 2 weeks to repair. when I recieved my iMac back unfortunatly there was lots of fingerprints inside the screen. Let it be said that the Mac store in Oxford street are the fairest of all, as instead of taking the machine and re-repairing, they replaced the whole iMac for a new one.
I hope anyone with this problem, or any other, has the same level of care from Mac as I have had.

Imac intel circa 2005 will not boot

I was woundering if anybody might point me in the direction of resolution to this problem. My intel circa 2005 iMac will not boot - OS Tiger - get a blue screen. Funny thing is that when I reinstall OS the computer works alright for a day or two then crashes when I open a programme such as iPhoto. I then reboot and get the blue screen of death again. I have done this several times. The reinstall works again only for a day or two then back to square one. I have clean installed reformated the hard drive etc all the resets etc. I have also run the hardware test extended and this said all was ok. Ran disk utility and seemed to write 'zero' alright on the whole disk. My gut feeling is the hard drive is on the way out but the ability to write zeros to the whole disk has stopped me from replacing this. Has anybody experienced this before and found a fix without buying a new iMac?

Hello, have you blown the dust out lately? Let it cool for an hour & see if you can get these...
Get Temperature Monitor to see if it's heat related...
http://www.macupdate.com/info.php/id/12381/temperature-monitor
iStat Menus...
http://bjango.com/mac/istatmenus/
And/or iStat Pro...
http://www.islayer.com/apps/istatpro/

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Failed hardware, take it in for service.

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