Updated OS to 10.5.7, now computer won't start properly...

Updated to OS 10.5.7 three days ago. After installation, system prompted restart (as usual). I clicked "restart", system properly shut down, then began to restart, then was stuck in restart mode for 3 hours! Gray screen with apple icon appeared, along with circling lines indicating it was "thinking" (I guess), then finally it just shut off. Now, it won't restart at all, just goes to gray screen for a few minutes, then goes black. Tried restarting from the system disk (10.5) which came with the computer, but I then get an alert saying it can't restore software because it can't find 10.4 or newer on the system. It shows my computer, with 10.5.7 on the startup disk menu, but selecting it and restarting throws me back into the gray screen/shut down loop.

Try starting in a different account or Safe Mode. Other issues have been related to font problems. You can test for this if things work in Safe Mode. A different account will check if it is something specific to your account.
[Mac OS X: Starting up in Safe Mode|http://docs.info.apple.com/article.html?artnum=107393]
[What is Safe Boot, Safe Mode? (Mac OS X)|http://support.apple.com/kb/HT1564]
[Safe Boot takes longer than normal startup|http://docs.info.apple.com/article.html?artnum=107394]
[Mac OS X 10.4, 10.5- Computer shuts down during Safe Boot|http://support.apple.com/kb/TA24054]
Safe boot mode runs a directory check command similar to that used by Disk Utility's repair. In Tiger it ignores some stored information (cache) that is normally read that speeds up the boot process, and it moves some other caches to the trash. It also uses only System fonts and disables all Startup Items, third party items, and any Login Items.
By the way, did you repair permissions with Disk Utility before and after doing hte update?

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Mountain Lion update, and now computer won't start up?

Writing this for a friend, as his computer is inop at the moment. Hence this message.
He has a new 27" iMac. He upgraded to Mountain Lion a few weeks ago, and then had intermittent problems with apps unexpectantly shutting down.
Now he did a ML update this morning, and his computer won't start up. It gets to the point of the Apple logo coming up, a progress bar, and then the spinning wheel, but then shuts itself down right afterwards.
A safe boot yields the exact same result.
Any thoughts out there on what he could try to get it up and running again?
Thanks much for any and all help.

Thank you for the fast response.
He was able to get into Disk Utility with the Command and R keys, but when he tried verifying the disk, in red it said 'Invalid Node Structure, volume could not be verified completely'.
He went ahead and verified it anyway, then proceeded to repair it. Howver, it stopped repairing, said it cannot repair, and that he should back up files and reformat the disk.
How can he back up his files? He cannot see a way to do it. Is there anything else he can do besides having to reformat the disk?
This is his first Mac (after much prompting from me to go Mac), and he's afraid he's now lost everything on there.

Trouble updating to 10.5.5 and now imac won't start!

Yesterday I updated my imac G5 to 10.5.5. I already updated my macbook and had no issues, so I thought this update would be just fine. I repaired disk permissions first, and then ran the update.
I left the computer to reboot and install the update, and came back to find an error message-- that the update failed.
I rebooted the computer and it wouldn't start. It gets stuck on the gray apple start-up screen-- the thing spins, and that's it. It was like that for 30 minutes so I just shut the computer down.
In my 15 years of owning macs this is the first time I've had an update fail-- so badly that I can't start the computer. Help!

A clone would make it simple, you can just re-clone back from the clone and have a working system again.
To eject the CD reboot the Mac and hold down the eject key as soon as you do. With any luck it will pop the CD out even if it doesn't finish booting.
If not, you Mac is old enough it might just have a little hole next to the CD player. If it does just stick a paper clip in there and you can pop it out. I don't know why Apple got rid of that, very useful.
If no hole you'll have to open up the Mac to manually eject the disk. I've never opened up an iMac so I don't know how it works on that Mac.
Otherwise you will have to get a firewire drive with a system on it or a firewire DVD player to boot from the Leopard install disk. Maybe you can borrow one.
You can also use another Mac, connect the two by firewire cable. Make sure your computer is off and the other is on then connect via firewire. Start yours up and hold down the t key so it won't boot but will start up in target mode. It should show up on the other computer as a hard drive on the desktop. Doesn't matter if yours won't boot with a system because you are bypassing the system and turning it into a standard hard drive temporarily.
Then you can eject the CD from the other computer, or even start up the other computer on the Leopard Install CD and reinstall the system on your computer. An Erase & Install is probably your best bet right now.

Messed with System/Library files now computer won't start

Ok, I wanted to go about fixing a Photoshop issue I had with 10.4.6. So I replace the following files with the files from 10.4.5...
/System/Library/Filesystems/AppleShare
/System/Library/Frameworks/AppleShareClientCore.framework
/System/Library/Frameworks/AppleshareClient.framework
My network drive went all haywire and I tried to replace the files with the original 10.4.6 files. After that did not solve the problem, I downloaded and used Pacifist to retreive the files from Mac OS X 10.4.6 for PPC downloaded from Apple. After replacing the /System/Library/ from this file, my computer went completely haywire and would not shutdown, start any aps or do anything. Now it won't work at all.
Am I completely screwed? I don't want to have to wipe everything (I have Quark on there that I no longer have a disk for) but I think I may have to.
Please if you have any suggestions for this stupid idiot, who should not have messed with their computer, they would be so welcomed!
Thanks!

HI, c.i.
See my "General advice on performing an Archive and Install" FAQ. Perform the steps therein in the specified order.
Good luck!
Dr. Smoke
Author: Troubleshooting Mac® OS X
Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
I may receive some form of compensation, financial or otherwise, from my recommendation or link.

Updated to iTunes 10.1 and Now Computer Won't Recognize iPhone

I updated to iTunes 10.1 last night after I plugged in my phone and iTunes prompted me to. After doing so, I restarted my computer, plugged my phone back in, and now I get the message "USB Device Not Recognized" and my phone doesn't show up in iTunes. It does, however, charge while plugged in. The computer just doesnt' recognize it. I've followed the Apple page on what to do if there are driver issues. So I've uninstalled iTunes and all the other components, reinstalled, opened Device Manager and uninstalled and reinstalled the driver from there, have tried to update, but when I do, the C:\Program Files (x86)\Common Files\Apple\Mobile Device Support\Drivers folder does not exist.
I am running Windows 7, and I have an iPhone 3Gs running iOS4.1.
Anyone have any suggestions on how to fix this? I'm out of ideas.
Message was edited by: vandenmor86

Well, I figured it out. My sync cable was the problem, apparently. I just used a different sync cable and it magically downloaded the driver with no problem and itunes popped right up. Figures, eh?

Ran updates, now computer won't start up

Hi,
My sister just ran a bunch of software updates. A message appeared that said couldn't update iDVD because program could not be found. Then it asked to restart the computer, which she did. A grey screen appeared with the apple in the middle and a spinning disk. Then after a long while it went to a blue screen sometimes with a spinning disk again. She has tried to reboot but the same thing happens. Any thoughts? Thank you!!

Hi help209, and a warm welcome to the forums!
Could be many things, we should start with this...
"Try Disk Utility
1. Insert the Mac OS X Tiger Install disc that came with your computer, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, you must select your language first.)
*Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.*
3. Click the First Aid tab.
4. Click the disclosure triangle to the left of the hard drive icon to display the names of your hard disk volumes and partitions.
5. Select your Mac OS X volume.
6. Click Repair. Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214
Then try a Safe Boot, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes.
(Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive.)
The usual reason why updates fail or mess things up, is if Permissions are not fixed before & after every update, with a reboot... you may get a partial update when the installer finds it doesn't have Permissions to change one obscure little part of the OS, leaving you with a mix of OS versions.
Some people get away without Repairing Permissions for years, some for only days.
If Permissions are wrong before applying an update, you could get mixed OS versions, if Directory is the slightest messed up, who knows!
If many Permission are repaired, or any Directory errors are found, you may need to re-apply some the latest/biggest updates.
May even need to do an Archive and Install if you have room on the HD, but saves all your files and gives a new OS...
http://docs.info.apple.com/article.html?artnum=107120
I only use Software Update to see what is needed, then get them for real via...
http://www.apple.com/support/downloads/
That way I can wait a week or so, check the forums for potential problems, and get Permissions & such in order before installing.
If all the above fails, then it appears to be time for a relatively painless Archive & Install, which gives you a new/old OS, but can preserve all your files, pics, music, settings, etc., as long as you have plenty of free disk space and no Disk corruption, and is relatively quick & painless...
http://docs.info.apple.com/article.html?artnum=107120
Just be sure to select Preserve Users & Settings.

I updated to 10.8.4 and now it won't start up after the restart it just spins around

I updated my imac to 10.8.4 and restarted it and now it spins on. The start up but wno't completely restart.

Give this a try:
Repair the Hard Drive and Permissions - Lion/Mountain Lion
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported then click on the Repair Permissions button. When the process is completed, then quit DU and return to the main menu. Select Restart from the Apple menu.
After this is completed download and install 10.8.4 Mountain Lion Update v10.8.4 (Combo).

Tried to install 10.5, it failed, now computer won't start

I have 400mhz g4 with a 1.0ghz accelerator and 1 gig of ram in it. Tried to install 10.5 on, the installation failed for unknown reasons, now the computer gets stuck on start up. Specifically, I get the grey apple and spinning pinwheel, but the system just hangs there, even after 20 minutes.
I tried sticking the 10.5 and 10.4 disk in and starting up from (i.e. holding down the C key). I tried booting in safe mode and from the usb 2.0 disk that's attached via a PCI card. I have a complete backup of the machine, made via Super Duper, so I'm not really worried, but I just need to figure out a way to boot the machine. Any ideas?

What kind of 10.5 disk did you use? If it was a grey system disk from a newer Intel-based Mac, that disk has no 10.5 code that a G4 processor can read and could leave you with what you describe.
I tried booting ........... from the usb 2.0 disk that's attached via a PCI card.
In spite of what Apple says (here), it's hard to find a G-series Mac that likes to boot from a USB device. Do you have one with FireWire connectivity? And some system software may have to load before the USB bus wakes up. You can try it on oneof the logic board 1.1 ports--has a better chance of getting a boot from there than a PCI card. But don't be surprised if it still doesn't boot.
The 10.5 installer requires a minimum 867 mHz processor and may look at something stored in ROM on the computer rather than actually polling the new processor before deciding if it can install. Although you have an upgraded processor, the installer may be reading the original specs off the Machine type code or other parameter that was not affected by the upgrade.

Lost power, now computer won't start

The power to my computer was accidentally disconnected while the computer was on. Now when I try to turn it on again it gets stuck on the white screen with the apple sign and the circel thinking wheel thingy. Don't know what's wrong and why it won't get past that point...

reset smc, unplug all the cables to your iMac then plug it back again after 15 secs.
reset pram, when you turn on the machine press option + command + P + R hold it down until you hear 3 chimes then let go
If it won't get pass the apple and spinning gear then boot from the OS X CD and repair the disks

Plugged in external harddrive, now computer won't start

So I had my Macbook Pro on and was doing stuff and then plugged in an external drive. All was fine, and then I went to open up Lightroom and Lightroom wouldn't open so I had to force quit a few times. Then the harddrive was "removed" even though I didn't touch it. I restarted my computer and now when it starts up, I get this. What happened? I was just about to back up everything on my drive.

You are booted into the Recovery Partition. Try a restart while holding down the option/alt key and see if you can select/start from the OS disk.
If not, boot to the Recovery Volume (command - R on a restart or hold down the option/alt key during a restart and select Recovery Volume). Run Disk Utility Verify/Repair and Repair Permissions until you get no errors. Then re-install the OS.
OS X Recovery
OS X Recovery (2)

Updated Mac to Yosemite 10.10 now Photoshop won't start. Error Message "An unexpected and unrecoverable problem has occurred. Photoshop will now exit."

Illustrator opens fine, but Photoshop won't. HELP!!!!!!!

Thank you, Barbara. All fonts seemed fine, no empty or duplicates. When I went back to Elements and tried again, it did not crash! After months of not being able to use type tool,,, not sure why it worked, but it did. Thanks again! I appreciate the time you took to answer my question.

Computer won't start properly after Leopard installation attempt

Yesterday I tried to install Leopard 10.5.6 on my G5 (currently running Tiger 10.4.11) and ran into a ton of problems. First, a message came up preventing me from upgrading without erasing my hard drive. I decided to quit the installer and back up my drive before erasing it, but after trying to start up again on my main disk, the computer will no longer get past the Apple logo screen. It stays that way for several minutes, and the computer revs and revs until it's at max RPM, then the computer just shuts off. I can't access my data to back it up.
I did some internet research and tried started up from the install DVD again (which still works) and tried to repair my disk using Disk Utility. This didn't work and an error message came up: "Attempted to Repair Disk, attempt failed. Invalid Node Structure, Volume Check Failed. Error: The underlying task reported failure on exit."
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Is it possible that the piece stuck in the audio jack has resulted in turning off the internal speakers?
I would say that the Leopard installation is not 100%. Sometimes this happens. Or you may have a piece of software installed that mutes the speakers, and it needs to disable that. If it's not the latter, then I would erase the hard drive and reinstall from scratch. If that's not feasible then you can do the following:
How to Perform an Archive and Install
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1. Be sure to use Disk Utility first to repair the disk before performing the Archive and Install.
Repairing the Hard Drive and Permissions
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger.) After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported, then quit DU and return to the installer.
2. Do not proceed with an Archive and Install if DU reports errors it cannot fix. In that case use Disk Warrior and/or TechTool Pro to repair the hard drive. If neither can repair the drive, then you will have to erase the drive and reinstall from scratch.
3. Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When you reach the screen to select a destination drive click once on the destination drive then click on the Option button. Select the Archive and Install option. You have an option to preserve users and network preferences. Only select this option if you are sure you have no corrupted files in your user accounts. Otherwise leave this option unchecked. Click on the OK button and continue with the OS X Installation.
4. Upon completion of the Archive and Install you will have a Previous System Folder in the root directory. You should retain the PSF until you are sure you do not need to manually transfer any items from the PSF to your newly installed system.
5. After moving any items you want to keep from the PSF you should delete it. You can back it up if you prefer, but you must delete it from the hard drive.
6. You can now download a Combo Updater directly from Apple's download site to update your new system to the desired version as well as install any security or other updates. You can also do this using Software Update.

Computer won't start properly

I have a windows 7 PC that has been working just fine for almost 3 years now. All of a sudden without warning, all the programs I had open were "not responding" so I tried "ctrl-alt-delete" to start task manager, but nothing came up. Finally I had to just unplug the power to shut it down. I tried starting again, clicked "start windows normally" and it started to start normally and the welcome scene came up but right when it would normally go to the user list, the screen went black. Again the only way I could turn it off was by unplugging it. I went on HP's site and tried all their suggestions, recovery manager, hard resets, and four or five other options and nothing worked. I restored the computer to it's condition from a few days ago while on safe mode, and although it said the restoration was successful, the problem remained. Is there any other possible way to resolve the problem, or will I have to return to factory settings? I have a lot of stuff saved on the computer in 3 years, so I would really rather not return to factory settings.

Hello,
FIrst thing to test is your Hard Drive
Hit F10 when the PC is first powered on and go into F10 setup - then choose diagnostics and run the HDD test. This will rule out the DD as being the problem. After that you may try a system restore from safe mode.
I am an HP employee.
"Did my response help with your issue? If so, please give me Kudos by clicking the "Kudos" button or mark the post that solved your problem as the Accepted Solution. Thanks!"

Won't start properly because of too much stuff on desktop - how do I delete stuff if it won't start up now?

I was trying to move photos to an external hard drive because my startup disk was full and I accidentally dropped them onto the desktop. Now my computer won't start properly because of all the stuff on the desktop and I don't know how I can fix that?

Start up in safe mode. Hold the Shift key while your Mac is starting and check that you can start up in safe mode. Then, choose all the items you want to transfer in Desktop by pressing Command and A keys, and move them to the external drive.
If you have any file in Desktop that you don't want to transfer, simply click it while pressing the Command key

Computer won't start up and was previously acting funny

Hi,
I am in Japan en route to Bangkok where I hope to find a store that knows something about my computer. I have been letting it sit in my bag for about a week when I went hiking in Japan and now it won't start properly. If I start normally, immediately I get a shadowed screen that displays the message:
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Thanks and please help,
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So I tried what you suggested and achieved the following results:
immediately upon reaching the root#: prompt the computer itself launched panic debugger and executed it then and finished but with no positive result. I wasn't able to type anything in at the root prompt because this debugger started right away and then I would restard my computer again.
Some key lines from the script I saw:
yellow text that said "Faild to load extensions com.apple.driver.AppleUSBEHCT"
and also an error code:0X00000000
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Thanks,
Alex

Updated OS to 10.5.7, now computer won't start properly...

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