MacBook shuts down while installing snow leopard

Had to replace hard drive and am trying to install snow leopard. Seems to do fine for about 10 minutes and then turns itself off. Any ideas or thoughts would be appreciated.

Hi Bobsythe,
You could try using the Apple Hardware Test to make sure all the hardware is working as it should:
Intel-based Macs: Using Apple Hardware Test
http://support.apple.com/kb/ht1509
Cheers!
- Ari

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Hi , I have a unibody macbook (2009), i recently erased my HD after making a backup to renew my mac OS , so i started by installing OS 10.5 (delivered with my mac) , then i made all possible updates , and tried to install Snow leopard from a DVD i purchased a year ago seperately . but when in try installing the OS 10.6 , i get stuck into the famous "gray screen" ( and sometimes a blue one ), i tried nearly all answers around this issue proposed by apple but no one appears to work and i still get the gray screen ( just while i try to install the snow leopard , and if not , the system boots properly into OS 10.5.8 ) .
i have to mention that i recently upgraded my RAM from 2 Go to 8 Go .
So any suggestions here?
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Try booting into "verbose mode". That will cause a series of messages to appear on the screen during the boot process. When that stalls (presuming it does so), write down the last few messages and post them as a reply.
You might also try running the diagnostics that came with that Mac. Depending on the model, you can boot with the "system restore disc" in the machine with the "D" key held down to run those. Run the diagnostics several times.

Mac keep shutting down after cancelling Snow Leopard upgrade DVD

Hello,
I tried to upgrade my computer with the Mac OS X Snow Leopard DVD. The upgrade failed twice, so I decided to quit it and to restart my computer with hardware, but then, it doesn't run more than 35 sec and then shuts down automatically. I have tried 5 times to restart it, but it shuts down even before I can see my desktop. Ho yes, and I ejected the DVD from it.
...help please! : )
Thank you!

Sounds like you've damaged your system by forcing it to quit and restart in the middle of installing. You probably also had something wrong with your machine that was interfering with the installation in the first place, as the Snow Leopard installer is ordinarily pretty good at failing without damaging anything if something causes it to fail.
I would advise [repairing the hard drive with Disk Utility|http://support.apple.com/kb/TS1417]. If that fails, you'll need to erase and repartition the hard drive and reinstall Snow Leopard from scratch. If repair works, but you still can't boot, you probably have corruption in important system files. You could try installing Snow Leopard over it at this point, while booted from the Snow Leopard disk. If repair shows no problems, post back here, as you've got something a little more exotic than simple hard disk damage going on.
Do you have a backup? If not, it's possible all your data might be gone at this point, depending on what exactly has gone wrong with your computer. You can try to back up from Disk Utility running from the Mac OS X install disk... see the Restore tab. You'll need an external hard drive to which to copy.

MacBook Pro Crashes after Installing Snow Leopard

I just installed Snow Leopard on my macbook pro that I've had for 5 years and ever since every app that I open crashes upon opening it. If it does not crash, it'll open the application but render it completely inoperable. The computer also loses mousetrack and keyboard abilities. This happens every time I restart my computer. My computer is also no longer under warranty and cannot run without power cord. Nothing seems to be working correctly since the update. Time to start looking at a new computer? Easy fix? Any suggestions are much appreciated. Thank you much.

J-UST-91,
which version of Mac OS X was installed on your MacBook Pro before you’d installed Snow Leopard? Was it working flawlessly under the older version? Do you make a backup of your disk just before installing Snow Leopard?

Macbook Pro won't install Snow Leopard

I am having trouble installing Snow Leopard on my Macbook Pro. I currently have Leopard 10.5.8 installed. I contacted Apple after my first issue. The tech support person decided I had a bad DVD & sent me a new copy, but the issue remains the same. When I try to upgrade I get as far as approving the user agreement and then the installation screen disappears. I tried installing using the DVD as the start-up as recommended in the installation instructions. When I do this I get as far as selecting the destination, but the hard drive has the yellow triangle with the exclamation point and says Mac OS 10 can't start from here. I have used the Disk Utility & Disk First Aid to check my hard drive & it checks out ok. Any ideas what I should do?

You could try doing what I call a repair install of Leo--installing Leo over Leo via upgrade. It is possible that you can reinstall Leo this way, and your problem will be fixed, even though you can't install Sno (yet). Also, you could try the Leo install from your desktop rather than having started to the DVD. I can't assess the probability that using this technique will solve your problem. I think it definitely is less than 50%. And, I emphasize that you may not even be able to do the repair install.
Message was edited by: donv (The Ghost)

MacBook running slow after installing Snow Leopard

I have 1 Gb of memory & MacBook is running slow after I installed Snow Leopard. Would it help to add more memory?

R C-R wrote:
No, inactive memory is just that: memory not actively used by anything. Paged out memory is a chunk of memory that has been swapped out to the hard drive. It must be paged back into memory if its contents are needed for anything. "Paged" refers to the amount of memory swapped in & out at a time, since the OS does this in units of memory called "pages."
This is the simplified, executive summary version. For all the gory details, see Mac Dev Center: Memory Usage Performance Guidelines: Memory Management in Mac OS X.
Thanks much. I know that it is not being used by anything currently. But, does it contain what I mentioned above, or is there a better description for what is in inactive memory? And, were does it go when replaced by something else? Paged to swapfiles?
Edit: Go to go now. Will check in later. And, I will read the memory link provided.
Message was edited by: donv (The Ghost)

How do I get out of continual reboot screens while installing Snow Leopard in my Macbook?

I started loading Snow Leopard on my Macbook. It asked for a reboot. I rebooted and it keeps going back to the same reboot screen. I don't see any other screen. Id there a way to eject the disk or get to another screen to get out of this?

Sounds like a bad system installation. Were you upgrading or installing on a freshly formatted drive? Do you have a compatible retail copy of Snow Leopard that will work with your computer?
Five ways to eject a stuck CD or DVD from the optical drive
Ejecting the stuck disc can usually be done in one of the following ways:
1. Restart the computer and after the chime press and hold down the left mouse button until the disc ejects.
2. Press the Eject button on your keyboard.
3. Click on the Eject button in the menubar.
4. Press COMMAND-E.
5. If none of the above work try this: Open the Terminal application in your Utilities folder. At the prompt enter or paste the following:
/usr/bin/drutil eject
If this fails then try this:
Boot the computer into single-user mode. At the prompt enter the same command as used above. To restart the computer enter "reboot" at the prompt without quotes.
If you leave the DVD in the drive and restart the computer then after the chime press and hold down the "C" key until the computer starts from the DVD. Then do this:
Drive Preparation
1. 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.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. SMART info will not be reported on external drives. Otherwise, click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, set the partition scheme to GUID then click on the OK button. Click on the Partition button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.
7. After formatting has completed quit DU and return to the installer. Complete the Snow Leopard installation.

Strange behaviors on MacBook Pro before & after installing Snow Leopard

I am not sure if this is even a Snow Leopard issue. We have a MacBook Pro that up until recently had been running Tiger. A problem developed whereby we could not access the iTunes store. A message that the store was "not available at this time" came up repeatedly while at the same time another computer was able to make connections with it. In addition, when Firefox was opened, a prompt appeared to drag the Firefox icon to the applications folder. Even after this was done, the same prompt would appear during subsequent sessions.
We updated the OS to Snow Leopard, and the iTunes store problem was resolved. However, there are some other unusual things going on with other applications.
1. When Photobooth is opened, we get this message: "There is no connected camera."
2. When we open any of the Office applications, we are greeted with: "To open Microsoft Word (or Excel, PowerPoint, etc.), you need to install Rosetta."
3. The above-described issue with Firefox still occurs frequently. Even though Firefox is located in the Applications folder, there is now a volume named Firefox on the desktop. We can't get rid of it.
We don't know for sure if the Photobooth and Office issues were present right before the Snow Leopard installation, but they had worked properly in the past.
One thing we did do is a verify and repair of permissions. There were MANY that needed to be repaired.
In addition, right around the time SL was installed, the computer was frequently shutting off without warning. The mouse was also operating erratically. It was found that the battery needed to be replaced, as the existing one was expanding and was actually disrupting the operation of the mouse pad. Could this battery have been the source of these problems?
What are the next steps we should take?

I suppose your expanding battery problem could have caused some or all of these problems, but most of them sound like software issues.
If I were you I'd try a few things:
1. boot from your snow leopard install disk and repair your startup disk with disk utility.
2. repeat the repairs until no repairs are reported (the toilet paper principle).
3. repair permissions again.
4. if the problems persist, trash the preferences files for the misbehaving apps.
5. if the problems persist, delete the misbehaving apps and reinstall them.
6. it the shutoffs persist, try a PMU reset.
7. a PRAM reset would probably be a good idea too.
8. if none of that works, archive and reinstall.
there is a freeware utility called applejack that will also do most of this.
Details on all of these will be readily available with a google search.

Error while installing Snow Leopard 10.6

Hello everyone,
I recently bought a family pack Mac OS X Snow Leopard 10.6 software package to upgrade my
10.5.8 Apple imac:
Modelnaam: iMac
Modelaanduiding: iMac8,1
Processornaam: Intel Core 2 Duo
Processorsnelheid: 2.4 GHz
Aantal processors: 1
Totaal aantal cores: 2
L2-cache: 6 MB
Geheugen: 1 GB
Bussnelheid: 1.07 GHz
Opstart-ROM-versie: IM81.00C1.B00
SMC-versie (systeem): 1.29f1
Serienummer (systeem): YM8388VVZE2
Hardware-UUID: 69CC7147-10BF-580C-9EE3-9AEE9BEBC403
But while installing the software, it comes up with an error log after the first automatic restart of the system. I dont have any idea what is causing it.
<Edited by Host>
I really apriciate any kind of help!
Thanks

Hello JFB:
Welcome to Apple discussions.
The link you provided just links to a web site for something called rapidshare.
I do not understand the problem.
Barry

IMac G5 shuts down while installing software

My G5 iMac 3yrs old Os 10.4.11? while installing iLife'08 comp shut down. Restarted, tried install again,shut down. Progress bar shows 28% complete at shut down. Same problem with iWork '08. Three times in succession.Any ideas?.............Rich

Try booting from your install disc, run verify/repair drive from Disk Utility and see what it says. Then, reboot and repair permissions while booted from your hard drive.
Let us know how you make out,

Macbook shuts down while starting up?

Hi guys,
I have a Macbook for school and well, while starting up, I get to the grey screen with the grey apple with the rotating thing. After maybe 5 or 10 seconds of this, it will just completely shut off. Some background info, as it wasn't doing this earlier.
My iSight camera would just stay turned on so I asked my computer teacher and he told me to hold down Option-Cmd-R-P-Power while it was starting up and to do it 3 times. He told me this cleared the PRAM. Well, I did what he said and then started it back up, but then shut it down while it was starting up by holding down the power button for like 4 seconds. After that, I haven't been able to start up my Macbook.
Am I screwed? =[

Update 2:
I followed this guide (link at end of message) and have gotten a little progress.
I now have the infinite boot thing, where it just sits there twirling.
http://mahalkita.nanogeex.com/2007/09/28/how-to-fix-the-invalid-sibling-link-err or/
EDIT 2!!!
Oh....my....GAWD!!!!
The boot sequence ended and it works!!!1
<33333333333333333
Message was edited by: Isaac Boehman

MacBook froze; unable to install Snow Leopard again

I've been having small issues with my MacBook going a bit slow and the expose not working every now and then. But the other day it froze completely so I had to force shut it down and start it back up. When I started it back up the laptop stayed on the startup screen (the white screen with the apple) but there was a bar that looked like a status bar of some sort at the bottom of the screen but nothing was changing and it would appear a disappear. So I tried to repair and verify the disk through disk utility. But then I get the message that the volume has invalid B-tree node size. So then I tried to reformat the computer but then every time I go to install it tells me that the contents of the disk can't be changed and Mac OS X couldn't be installed.
Now, I'm not computer science major or anything so I don't know if this means a software problem or hardware problem. but I have a feeling it is software. But again I have NO idea. I would really appreciate any help with y problem!

Yeah I rebooted for the install disk to repair. When I click on Verify Disk it shows this in the details box:
"Verifying Volume Macintosh HD
Checking Journaled HFS Plus Volume.
The volume could not be verified completely.
Error: This disk needs to e repaired. click Repair Disk."
and then I get the message saying:
"Disk Utility stopped verifying Macintosh HD
This disk needs to be repaired. Click Repair Disk."
So when I click on Repair Disk, it says this in the details box:
"Verify and Repair volume Macintosh HD
Checking Journaled HFS Plus volume.
Invalid B-tree node size.
The volume could not be verified completely.
Volume repair complete.
Updating boot support partitions for the volume as required.
Error: Disk Utility can't repair this disk...disk, and restore you backed-up files."
and then I get the message saying:
"Disk Utility stopped repairing Macintosh HD
Disk Utility can't repair this disk. Back up as many of your files as possible reformat the disk, and restore your baked-up files."
When I tried to reformat I just started the computer up from the Mac OS X again. I pressed alt to choose to start up from the install disk and I followed the directions to reinstall the system. When I did so a yellow triangle appeared nxt to the disk and I got this message:
"The contents of this disk can't be changed.
Mac OS X couldn't be installed on this disk."

Laptop shuts down while installing/updating

I've been having this problem for a while now and i have no idea how to fix it. My laptop seems to just shutdown when installing or updating programs. At first i thought the problem was that the laptop was overheating from playing games on my windows partition, however that doesn't seem to be the problem. Any advice on what is causing the problem or what i can do to fix it?

Shutdown issues IMHO are usually related to : 1) overheating, 2) power supply faults, 3) CPU or motherboard faults. They rarely are related to RAM or hard drive errors as those tend to show up as lock-ups (rather than shutdowns). Given you have a laptop with what I assume is a decent battery and connected to your power supply I don't think you have a power supply fault - but that is possible.
Try stressing your system in Windows with a CPU stress program and see if you get shutdowns, then you know for sure you have a hardware fault. You might want to burn a copy of Ultimate Boot CD and double check your RAM, hard drive for errors but I don't think they are your problem.

MacBook shuts down while installing snow leopard

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