Will not boot up in Leopard

I installed leopard on my macpro, it worked for a couple of days, it wouldn't wake from sleep, so i did a manual restart and now I nothing but a "do not enter symbol". Remounted the hard drive physically and it didn't cure the problem. Help!

Upgrade.
Likely not going to work, and I believe last supported (leopard) version was 7.1.3.
Scott

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I have a MacBook Pro 15" and my warranty just ran out! I partitioned my harddrive into two partitions, one with Snow Leopard and the other with microsoft.This morning I turned on my Macbook Pro and it will not boot into Snow Leopard.

Good Morning,
I have a MacBook Pro 15" and my warranty just ran out! I partitioned my harddrive into two partitions, one with Snow Leopard and the other with microsoft.This morning I turned on my Macbook Pro and it will not boot into Snow Leopard. I shut it off took out the battery, reinstalled the battery. Then I put in the Snow Leopard CD and booted up to disk utility and The Snow Leopard partion would not show up?? I do see the microsoft partion.
I also rebooted holding down the shift key and still no Snow Leopard
Could you please tell me what I can do, what keys do I press on restart any advice to get Snow leopard back.
thank you.

Have you restarted holding down the Opt key? That procedure should give you a gray screen with all of the partitions that exist. Then select the SL partition for boot. Also go to System Preferences and Startup Disk, unlock the lock and select the SL partition as the default boot partition, then relock.

My iMac will not boot through Snow Leopard but will boot through Windows OS

My 2010 iMac will not boot in Snow Leopard, only Windows. Have tried reinstalling Snow leopard a few times and works only for a couple of minutes before freezing and doesnt reboot. Windows works perfect. Snow leopard just doesnt want to boot up past the Apple Logo. It was working fine one day and the next day it froze up and was able to reboot back into Snow Leopard but kept freezing. Now it doesnt load at all into Mac OS.
Brian

Possible scenarios:
1: The 10.6.3 SL retail disk is bad, it happens.
2: Your not using the 10.6.3 SL retail disk but one from another machine which doesn't have the drivers for that machine.
3: Your optical drive is funky or some other hardware issues.
4: Your trying to install 10.6 onto a PowerPC based Mac, no can do.
5: Your not using a wired keyboard for boot key commands, have some other hardware conflicts.
Possible solutions.
1: Copy the SL 10.6.3 disk using Disk Utility to another DVD, the error checking may resolve the original disk's issue.
http://www.brokenhomeboy.co.uk/pierow/blog/2011/10/make-a-bootable-backup-snow-l eopard-install-disc/
2: Make a SL bootable USB
http://www.maciverse.com/install-os-x-snow-leopard-from-usb-flash-drive.html
3: Call Apple for a new 10.6.3 disk (and make copies for backup before Apple discontinues selling it)
If your upgrading to 10.6 to get to 10.6.8 to upgrade to 10.7, be warned of this:
1: Your 10.5 software will not work in 10.7, no more Rosetta or PPC based code.
2: Your hardware will not qualify if it's a 32 bit Intel Core Duo, also you may experience slowdowns in performance over 10.6 (10.6 is the fastest OS X version for Intel Macs) in older Intel hardware (I suggest Early 2011 Mac's and later only for Lion)
3: Mountain Lion 10.8 is reportingly coming out this summer and will not run on a lot of older Intel based Mac's because of heftier graphics requirements.
4: 10.6 has the widest range of current avaialble software and drivers for third party hardware.
My advice, stick with 10.6.8 and stay there, buy a new Mountain Lion machine after this summer. Skip Lion completely.

IMac will not boot from Snow Leopard DVD or original Leopard disc!

Hey,
I am going mad! I am trying to update my iMac (with original Leopard installed) to Snow Leopard. Here is what I have tried:
Using the Snow Leopard DVD:
- A standard install: the disc ejects after about 15 minutes.
- Put another working DVD in and verified it in Disk Utility, all ok.
- Verified the internal hard drive in Disk Utility, all ok.
- Verfied the SL DVD, all ok.
- Decided to try a clean install, so backed up everything.
- Tried to boot from SL DVD by using the Utilities option, it ejects the disc at restart.
- Tried to force it to boot to the DVD by restarting and holding the C key, it ejects.
- Restart holding the Option key, it ejects.
- Restart holding the Ctrl, Alt and Option keys, ejects.
- Everytime it ejects and starts up normally.
- So I cleaned the disc, updated all the firmware, reset the NVRAM/PRAM via holding keys when restarting, and repaired disc permissions.
- Tried to force it to boot again, ejects.
- Tried to put the disc back in straight after it ejects with all the steps, still starts up normally.
- Changed the start up disc in System Preferences to the SL DVD, restart, it ejects.
By now I am readying the noose...
- Dug out the original Leopard installation CDs.
- Repeated all the forced boot restarts (C key, Option key, Ctrl, Alt, Option keys), same story.
- Repeated changing the start up disc in System Prefs, same story again.
- Call Apple Support, they told me to try everything I have tried and that the DVD drive is dodgy, well it works with everyhting else! Burning and reading! I really don't want to have to go to an Apple Store- it's miles away (a costly journey) and I just do not have the time for all of this.
RAWR! Does anyone know what to do? Please? S.O.S.?

Possible scenarios:
1: The 10.6.3 SL retail disk is bad, it happens.
2: Your not using the 10.6.3 SL retail disk but one from another machine which doesn't have the drivers for that machine.
3: Your optical drive is funky or some other hardware issues.
4: Your trying to install 10.6 onto a PowerPC based Mac, no can do.
5: Your not using a wired keyboard for boot key commands, have some other hardware conflicts.
Possible solutions.
1: Copy the SL 10.6.3 disk using Disk Utility to another DVD, the error checking may resolve the original disk's issue.
http://www.brokenhomeboy.co.uk/pierow/blog/2011/10/make-a-bootable-backup-snow-l eopard-install-disc/
2: Make a SL bootable USB
http://www.maciverse.com/install-os-x-snow-leopard-from-usb-flash-drive.html
3: Call Apple for a new 10.6.3 disk (and make copies for backup before Apple discontinues selling it)
If your upgrading to 10.6 to get to 10.6.8 to upgrade to 10.7, be warned of this:
1: Your 10.5 software will not work in 10.7, no more Rosetta or PPC based code.
2: Your hardware will not qualify if it's a 32 bit Intel Core Duo, also you may experience slowdowns in performance over 10.6 (10.6 is the fastest OS X version for Intel Macs) in older Intel hardware (I suggest Early 2011 Mac's and later only for Lion)
3: Mountain Lion 10.8 is reportingly coming out this summer and will not run on a lot of older Intel based Mac's because of heftier graphics requirements.
4: 10.6 has the widest range of current avaialble software and drivers for third party hardware.
My advice, stick with 10.6.8 and stay there, buy a new Mountain Lion machine after this summer. Skip Lion completely.

OS will not boot after Snow Leopard Upgrade

I have a MacPro (Intel). I just upgraded to Snow Leopard and everything appeared fine. However, after restarting my computer the OS will not load. A circle with a hash through it replaces the Apple logo and the apple's spinning wheel continues but all drive activity. I have tried to run the install again by forcing the computer to open the dvd drive then booting for the OS DVD but this has not worked. Has anyone experienced this and successfully resolved?

You have a five year old computer, so a failing hard drive at this point is not so strange. You have a couple of options you can try. Start with this one, but if it does not work you will have to erase the hard drive. I hope you have a backup of all your files.
Reinstall OS X without erasing the drive
1. Repair the Hard Drive and Permissions
Boot from your Snow Leopard 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 Utilities menu. 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 click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Reinstall Snow Leopard
If the drive is OK then quit DU and return to the installer. Proceed with reinstalling OS X. Note that the Snow Leopard installer will not erase your drive or disturb your files. After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
Download and install Mac OS X 10.6.8 Update Combo v1.1.

Macbook pro will not boot after snow leopard upgrade

My GF has had a macbook pro since mid 2008. It's been running like a champ since I've known her for the past 3 years with no issues. It has/had OSX 10.5.8 installed. We tried to consolidate all our pictures from all our apple devices and realized she didn't have an icloud on the old 10.5.8 OSX. So I called apple and they told me to order and install the snow leopard OSX 10.6 first and then upgrade to lion etc after that, Well we got the disk yesterday popped it in to install and it's been a disaster.... the computer shutdown for what looked like a normal restart during the installation process and never booted back up. Attempts to manually reboot leave us locked on a grey apple logo screen with spinning gear indefinately whith the Snow Leopard disk installed during boot up. With the disk removed I get the flashing file folder with a question mark. I called apple support we tried all the PRAM and SMC resets and then decided that we should go to the Genius Bar once all those failed. After an hour and a half drive to the nearest genius bar we were told that the we suddenly had a hardware issue which just happened to coincide with the new OS installation.... I'm not buying it and am looking for some help. The macbook was running like a champ until we inserted a disk recommended by apple... Any takers?

You have a five year old computer, so a failing hard drive at this point is not so strange. You have a couple of options you can try. Start with this one, but if it does not work you will have to erase the hard drive. I hope you have a backup of all your files.
Reinstall OS X without erasing the drive
1. Repair the Hard Drive and Permissions
Boot from your Snow Leopard 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 Utilities menu. 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 click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Reinstall Snow Leopard
If the drive is OK then quit DU and return to the installer. Proceed with reinstalling OS X. Note that the Snow Leopard installer will not erase your drive or disturb your files. After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
Download and install Mac OS X 10.6.8 Update Combo v1.1.

Macbook Will Not Boot After Updating Leopard

I just reinstalled Leopard after having some trouble with my partition tables, and everything ran smoothly and worked fine. After the install I let software update update everything including the 10.5.5 update. It prompted me to reboot, and when I did it got to the grey Apple screen and the thing spun for about 30 seconds before it restarted and did it again. This happened a few times and then I booted from a Leopard disk to look at disk permissions and they seem to be fine. Anyone have any idea why this is happening or how I would fix it?
Thanks in advance, hope to get this sorted out quickly, I thought I had finally gotten my computer working fine again when I reinstalled Leopard. :P

At start up, press 'C' to boot directly from a CD/DVD. Or, you can press 'Option' and you should get a list of bootable selections (CD/DVD, external hardrives) that you can boot from - assuming you have something that IS bootable.
I recently had a problem and ended up reinstalling my OS (via TimeMachine). I also confirmed that you can boot from your original OSX install disk. As part of this process I also discovered I could NOT boot directly FROM the AppleCare provided TechTools Deluxe disk. Supposedly you can boot INTO that disk via a restart but that seems kind of silly to me.
However, if you have signed up for AppleCare and go to the Apple Support web site, you can download TechTools Deluxe and it can be made bootable by burning the .dmg file via Apple Disk Utilities. I don't understand Apple logic of not making the provided AppleCare TechTools Deluxe disk bootable.

Mac Pro will not boot with Snow Leopard - need help!

I have had a lot of issues with Snow Leopard since I upgraded from 10.5.8. Most of my problems started after installing Office 2007. I finally wiped the hard drive and reinstalled everything. No problems until last week. Start up was taking longer and had to reboot a couple of times because of grey screen. So I would just put computer to sleep. Yesterday the computer was frozen on screen saver with scrambled rows of pixels on screen two and the main monitor had a frozen image.
I initially pulled all peripherals out and pulled the power plug for 5 minutes. I have left the peripherals out and pulled the second monitor as well. I tried pulling the power plug during a few more starts but nothing gets me to a complete start up screen.
I have tried resetting PRAM and VRAM and tried a safe boot. I tried booting from Snow Leopard and my Leopard disk stayed on either a blue or gray screen with spinning beach ball (on gray screen).
Put original install disk in and booted from using D to check the hardware. Good news is that the hardware test was OK. I did the extended test.
All different kind of start up problems.
- Some start with start up sound goes to Apple logo to blue screen to grey screen with beachball
- Some start ups with no initial sound then Apple logo to blue screen to grey screen with no cursor or beachball
- Some start ups with no sound to gray screen to blue screen to grey screen.
I have no problem wiping the HD1 again but I can't even get the OS disk to be recognized with holding the C key during start up. This last time it went to a blue screen (holding the C key) and a cursor.
I don't know what else to do - Please help!!!

There are lists (MacIntouch and MacFixit) of hardware / software support issues with 10.6. Accelerateyourmac is another place to watch.
There were some really long threads back in Sept about printer driver support.
The 7300 firmware was more about Windows support; those cards are failing and dropping like flies (how DO they know 3 yrs has expired anyway?) and they don't support SL features like OpenCL etc so I'd invest in ATI 4870, best graphic card and works in all models Mac Pro.
Lots and lots of bootable clones for backup. Never need to wipe and install again.

MBP will not boot-up from Leopard disc/externel drive without getting a K.P

I have been getting Kernel Panics since updating the system, while I was using Tiger OS X, I have Installed Leopard OS X now thinking it would get rid of the problem but hasn't. Now I cannot boot into the system at all, even using the Leopard DVD/Externel Hardrive. I did take it into an Apple store today and they changed the RAM to see if that was the problem but had no luck, I was told it is proberly to main motherboard and would cost alot to replace. Has anybody got any other suggestions I could do or try? I am losing hope for this MBP.
All of a sudden it booted up with the retail Leopard disc inside and I started to install it but it came up with an error message half way thourgh installation. Message said Installation could not be completed please check your media and try again.

I'd suspect errors/bad sectors on the hard drive, insert the Leopard DVD and Boot it up while holding down the 'shift' key (to enter Safe mode) - this can find and fix a lot of errors.

Mac will not boot after Snow Leopard install

I recently had a HD crash. Replaced the HD and installed Snow Leopard from a image file on an external HD. Install went great. I copied over data files and things seems just fine. My first reboot after the install and the Mini won't boot. I am stuck with the Apple Logo and a spinning wheel. I ran disk utility and the new HD checks out fine. When I boot with the external HD, it still sees my Mini HD. I tried restarting with Command/Option/P/R but that didn't do anything. Any advice?

I'm in a slightly similar spot- no crashes, but-- What I want to hopefully do is run my Tiger ppc apps (3) for CAD on my New- 5 weeks old) Lion Factory Installed machine. The ( November) First Aid Issue of Mac Life mentions a way
way to get external boots, UNLESS they are the Factory installed ( Lions). In the meantime----
Johnny

Install Disk for Snow Leopard will not boot on an iMac 27in

My Install Disk for Snow Leopard will not boot on my iMac 27in. The Apple Logo is the only thing the user will see. The current OS on the system is 10.6.6. Upon placing the Snow Leopard DVD in the system, the DVD players spins for a few seconds and displays the Apple Logo. Nothing happens after 20 minutes.

Yes, it is ridiculous how it is impossible to install Snow Leopard. I have two Snow Leopard DVDs: one that I purchased for a Macbook soon after it's release (10.6.0), and one that came with my iMac (10.6.4). Both of these boot up my Macbook (running 10.6.7) just fine. My SL 10.6.0 DVD mounts onto my iMac (Lion 10.7.0), but you cannot run the install. I attempted to boot from this DVD and got the infinite white screen and Apple logo, as some have reported above. The other SL 10.6.4 DVD will not even mount in Lion, and will not even show up as a bootable drive when I attempt to select it after holding alt/option on reboot.
I created a bootable external drive from SL 10.6.0, attempted boot, same infinite white screen/apple logo.
I created a bootable external drive from SL 10.6.4 on my macbook. I attempted to boot from this drive, and got the white screen of death, except that this time I actually got the loading symbol underneath the Apple logo. After about a minute of attempting to boot, the Apple logo changed to a circle with a diagonal line through it (the "NO!" sign).
I took my iMac to the genius bar. They inserted SL 10.6.0, which would not boot. Then they determined that my computer had to run 10.6.4 and later. So, they restored an image of SL 10.6.4 onto my partition (not an install from an image, but an image of SL already installed). Hurray! Snow Leopard was successfully shoved onto my iMac!
I then deleted a third partition on my hard drive I did not need anymore, which somehow screwed up my SL partition (even though it said "Will not erase partition SL or Macintosh HD). Now I am back at square one, and I guess I need to take my flippin iMac back to Apple for them to do what I should be able to do.
I like Apple, but sheesh do I hate Lion right now.

Leopard partition will not boot with Boot Camp installed

I am running Leopard 10.5.2 with Boot Camp running Windows XP on about 150 computers in multiple computer labs on my campus. My problem is that a few machines every couple of weeks will stop booting into the Leopard partition. The problematic computers will however boot into Windows every time. Is there an update or something that is causing the Leopard partition to stop booting? I run disk repair and I get "invalid node structure" which causes the repair to fail. My only solution is to partition the drive then re-image the Mac side and Windows side. This unfortunately is not happening to the same computers each time, I fix one computer, then a different has the problem and so on.
Does anyone have an suggestions? By the way, I am running Bombich's BootPicker v. 2.0. Could this be causing the issue?

This helped with a previous Windows issue but when I boot the system while holding "option" key, the Leopard partition does not show up. The Leopard partition shows grey out when I boot from an install DVD and I can not repair permissions or repair disk.

Macbook Pro Will Not Boot to Retail Snow Leopard

I am a PC tech working on a Macboo Pro mid-2010 15" aka MacbookPro6,2 for an acquaintance (really) and I really appreciate any help/tips on this. As given to me, the MBP was totally non-responsive. Also, the owner does not have the original DVDs that came with the machine nor did she have the power adapter (long story).
Here is the summary: The MBP will not boot to a retail Snow Leopard 10.6.3 DVD; it only gets to the light grey screen with the darker grey Apple symbol and no spinning gear.
Here are the details:
1. After procuring a new AC adapter and installing a new battery, it would boot up and run but displayed an error with Steam startup. It connected to the internet via wifi, launched and ran a video dvd, etc, etc. Looked good except for the Steam error screen.
2. I went to the Steam website and downloaded the current version. After the software installed I did a normal shutdown and restart and the MBP would not boot, just went to grey Apple screen and spinning gear.
3. Booted up in single user, ran fsck -fy which reported "Invalid node structure (4, 24755)" which I understand is not good and it also reported that "The volume Untitled could not be repaired". Just on a whim I ran the fsck a couple more times not expecting anything different and that's what I got - nothing different.
4. Power up with Command R. Goes to grey screen and then tries to boot off of the bad hard drive with previous results.
5. Talked to Apple Care. To make it short, they sold me a retail Snow Leopard.
6. Installed a new blank hard drive (500GB, SATA II, WD Blue) and loaded the Snow Leopard into the Superdrive.
7. Power up and press C. Just goes to grey screen and grey Apple.
8. Power up with Option. DVD is there, click on it to launch, goes to grey Apple and that's all it does.
9. Just for grins, I popped in a Windows 7 Recovery DVD and did the power up/option to launch that and the MBP actually loads the Windows files and screen but it will not proceed because Win7 recovery doesn't recognize the MBP. At least the DVD worked.
10. Installed a different new blank hard drive and tried to launch Snow Leopard install but no dice.
11. Just for grins number two, I tried a remote install on my local network. On initial DVD access, the MBP displays a spinning globe along with the grey Apple, accesses the DVD on the remote laptop three times, but then the spinning globe disappears and everything stops. I left it for an hour and nothing else happens.
That is where I am stuck. I really appreciate any ideas on how to proceed. I can hear Genius Bar already, but was just wondering if I missed any possible steps to take myself.

You should have better luck with the correct build, as you can't use the installs as backward compatible. I also have an older machine that is for the kids, and was upgraded with the 10.6.3 retail disk which will not work with the Mid 2010.
Best of luck, and hope it helps.
If no luck, you may want to investigate hardware issues, as it should boot and install.
SJP

Mac Pro will not boot from Leopard or any CD or DVD install disk

My Mac Pro wont boot from my Leopard install DVD. It never gets by the gray screen, then after several minutes the screen scrolls down black and says I need to restart my computer. I tried my Tiger install disk and it still wont boot from that DVD. Held down the "C", used "option" and selected DVD and still no boot. I can boot from one HD that has Leopard 10.5.8, but another HD with Snow Leopard 10.6.3 will not boot. The HD with Snow Leopard shows up as "EFI Boot" not the name I gave that HD when I startup using the "option" key. Any help would be appreciated.

At first I was just going to say it sounds like you have a bad optical drive, but then you had to go and say that it also won't boot from a HDD.
That just makes things a whole lot worse.
Start by removing the side cover and checking the RAM to see if any of the LEDs are lit up indicating bad RAM. Usually if there's any bad RAM found, it will just automatically disable that stick, but maybe yours isn't for some reason.
Look for any other LEDs that may be lit. Generally speaking, the only time you should see an LED (outside of the power LED) lit consistently is if there's a problem.
You should also see if you can get Apple Hardware Test to run, which may or may not find some problem.
But sorry to say, it's sounding very suspiciously like a bad logic board.
One other thing to try, is putting the SL drive into a different slot. So if you were putting it in slot 2, try slot 3 or 4. If you just have a bad SATA port, you might be able to just work around that until you get a new system.
If by chance this system is still under warranty, do not walk, do not pass go, do not collect $200, RUN to the nearest AASP or Apple store to make it THEIR problem to sort out.

Leopard will not boot from Firewire HD

Hello,
The issue is this,
I have a Mac Mini G4 (M9687LL/A) and I am "trying" to install 10.5 on to a external firewire drive. The Drive is Acomdata 160GB Firewire dirve with a Partition Type of Apple Partition Map and is formated in Mac OS Extended (Journaled) So I boot off the Leopard install DVD and I install it to the firewire drive and all goes well. Then when I try to boot from this drive it will not boot off the FWHD. When I restart the mac and hold the option key to get the boot menu, I do not see the Firewire drive only the internal drive? So if someone can help me on this or is having the same issue let me know. Thanks

Welcome to Apple Discussions!
Unfortunately, Acomdata's record on the matter isn't quite clean*:
http://www.macmaps.com/firewirebug2.html
My recommendation, swap out the hard drive case and put another one in its place around the hard drive that is known to be compatible. The only two companies I know of are http://www.macsales.com/ and http://www.cooldrives.com/
There may be others you can write to on the above FAQ*. The problem is not all Firewire nor USB drives are bootable.
Another thing you may be running into is that if you want to use the keyboard to startup from an external drive, you may need an Apple keyboard to be certain the C or Option keys work. Option key should work if you have the right keyboard:
http://docs.info.apple.com/article.html?artnum=106178
Finally, Time Machine is not a bootable backup, but does backup everything. Currently only Carbon Copy Cloner, and Apple's Disk Utility offer bootable backups of Leopard.
- * Links to my pages may give me compensation.

Will not boot up in Leopard

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