TS2570 Hi, MacBook Pro & Snow Leopard- startup probs. I have tried repairing with the disk utility, resetting PRAM, booting in safe mode, and finally trying to get to archive&install the o/s, but it cannot find the destination volume. IsAn erase the only

(10.6.8 Intel core duo 2009)
Hi,
I have a grey screen and grey rotating wheel startup probs. I have tried repairing with the disk utility, resetting PRAM, booting in safe mode (which gave a subset of the errors that 'disk repair' did- namely- 'invalid sibling link,invalid record count, invalid node structure, invalid key length) and finally trying to get to archive&install the o/s, but it cannot find the destination volume. Is an erase the only option? PS I have backed up most files individually, but my daughter did not back up any from her user account. Any help would be appreciated. J

Gray, Blue or White screen at boot, w/spinner/progress bar
Why is my computer slow?
..Step by Step to fix your Mac
https://discussions.apple.com/community/notebooks/macbook_pro?view=documents

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Hi, i forgot my macbook pro(snow leopard) password and i tried to reset it through single user mode, but whenever i type, everything comes out in CAPs instead of lower case. Each time i press the minus(-), it always comes out as an underscore(_).Pls help.

Hi, i forgot my macbook pro(snow leopard) password and i tried to reset it through single user mode, but whenever i type, everything comes out in CAPs instead of lower case. Each time i press the minus(-), it always comes out as an underscore(_).Pls help.

Well, you can try easing the shift key up with something thin but flexible (credit card sort of thing) but if the contacts below are stuck you may need to get it seen to by an authorised repairer.
If you can borrow a keyboard (a PC one will probably work as long as the password is alpha-numeric with no special characters) you can at least get in to backup your HD before going for repair.

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hawpotr wrote:
1. replace my current internal HD and convert it to external HD for use as secondary boot drive,
No. That has no advantage for you.
leave the internal HD alone and purchase an external HD that I can clone and use as boot drive in case of emergency?
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Here is a link showing some available SATA HDDs that will complement your MBP:
http://eshop.macsales.com/shop/hard-drives/2.5-Notebook/
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Thank you!
This question was solved.
View Solution.

Let's reset the printing system:
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WARNING - this will delete ALL of your printers!
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Welcome to the Apple Support Communities
To restore the MacBook Pro to factory settings:
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richardfromfortpierce,
do you or don’t you have your MacBook Pro’s original grey installation DVDs?
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Does your system meet all the requirements:
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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 boot failure is to secure your 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 your last backup, you can skip this step.
There are several ways to back up a Mac that is unable to boot. You need an external hard drive to hold the backup data.
a. Boot into 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.”
b. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, boot 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.
c. 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
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to boot, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can boot 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.
If you've booted from an external storage device, make sure that your internal boot volume is selected in the Startup Disk pane of System Preferences.
Step 3
Boot in safe mode. Note: If FileVault is enabled, or if a firmware password is set, or if the boot volume is a software RAID, you can’t do this. Post for further instructions.
Safe mode is much slower to boot 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 your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
When you boot 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, your boot volume is damaged and the drive is probably malfunctioning. In that case, go to step 5.
If you can boot and log in now, empty the Trash, and then open the Finder Info window on your boot 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 reboot as usual (i.e., not in safe mode.)
If the boot process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 4
Sometimes a boot failure can be resolved by resetting the NVRAM.
Step 5
Launch Disk Utility in Recovery mode (see Step 1.) Select your 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 reboot as usual.
Step 6
Boot into Recovery again. When the OS X Utilities screen appears, follow the prompts to reinstall the OS. If your Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Note: You need an always-on Ethernet or Wi-Fi connection to the Internet to use Recovery. It won’t work with USB or PPPoE modems, or with proxy servers, or with networks that require a certificate for authentication.
Step 7
Repeat step 6, but this time erase the boot volume in Disk Utility before installing. The system should automatically reboot into the Setup Assistant. Follow the prompts to transfer your data from a backup.
Step 8
A dead logic-board battery in a Mac Pro can cause a gray screen at boot. Typically the boot failure will be preceded by loss of the startup disk and system clock settings. See the user manual for replacement instructions.
Step 9
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store to have the machine tested.

MacBook Pro 13" Only boots to safe mode and running VERY slow.

Hi...
Not posted on here before, but am desperate so hoping there are some experts out there who can help...
I have 13" Macbook pro which has ceased to work properly - it runs very slowly and will only boot in safe mode.
I have installed a new hard disk, but I get the same problem whether I (try to) boot from the old HHD or the new one.
The new drive was imaged using Carbon Copy Cloner.
I have run the repair disk priorities in disk utility and verifying the disk says all OK.
I have set the startup disk to be the new hard disk, and cleared the NVRAM via cmd-option-p-r...
As things stand at the moment, rebooting (not in safe mode) leaves me with the grey screen and apple logo (and no obvious activity for 10+ mins (so far)).
Booting in safe mode takes 3+ mins but I do get to a user login prompt and can get to a desktop.
Any ideas / help very much appreciated as I urgently need to get this machine working!
Thanks!

Domonic White,
when you ran Disk Utility, did you do so from your user account, or from Recovery mode? There are four options there: Verify Disk Permissions, Repair Disk Permissions, Verify Disk, and Repair Disk. Which of these did you do in Disk Utility?
Have you tried resetting your MacBook Pro’s System Management Controller?
Have you tried logging in as your administrative user, opening the Users & Groups pane of System Preferences, creating a new standard user (e.g. “Test”), and trying to log in as the new user, to see if the slow performance affects the new user also?
There is a chance that this could be due to a faulty internal SATA cable. If you have an external disk enclosure, or a SATA-to-USB or SATA-to-FireWire adapter, try booting from one of your drives when it’s externally connected. If it works fine that way, but is sluggish when internal, that could point to your internal SATA cable as the culprit.

Help! MacBook Pro only boots in Safe Mode and runs extremely slow (bonus: happened in Brazil and there are no Apple stores here - I need you guys!)

It's a MBP mid 2010. Last year it had some problems and an Apple authorised shop changed the HD and upgraded the OS from Snow Leopard to Lion. After that it seemed fine. Recently it started getting very slow and apps (e.g. Chrome, Flash) would crash. At some point it seemed stuck so I gave it a hard shutdown - bad idea. After that it would only boot in Safe Mode. I ran repar disk and repair permissions from the Disk Utility and it booted normally again but extremely slow. I upgraded to OS X 10.8.2, but didn't solve it. I tried booting with Command D to have a hardware diagnostic - it wouldn't boot and now it only boots in Safe Mode.
All data is backed and I have an external HD (but not an OS X Disc). Ready to anything. Help please!
Utility Disk Logs
Repairing permissions for “Macintosh HD”
Group differs on “Library/Java”; should be 0; group is 80.
Permissions differ on “Library/Java”; should be drwxr-xr-x ; they are drwxrwxr-x .
Repaired “Library/Java”
Warning: SUID file “System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOS/ARDAg ent” has been modified and will not be repaired.
Permissions differ on “System/Library/Frameworks/CoreGraphics.framework/CoreGraphics”; should be lrwxrwxrwx ; they are lrwxr-xr-x .
Repaired “System/Library/Frameworks/CoreGraphics.framework/CoreGraphics”
Permissions differ on “System/Library/Frameworks/CoreGraphics.framework/Resources”; should be lrwxrwxrwx ; they are lrwxr-xr-x .
Repaired “System/Library/Frameworks/CoreGraphics.framework/Resources”
Permissions differ on “System/Library/Frameworks/CoreGraphics.framework/Versions/Current”; should be lrwxrwxrwx ; they are lrwxr-xr-x .
Repaired “System/Library/Frameworks/CoreGraphics.framework/Versions/Current”
Permissions repair complete
Verifying volume “Macintosh HD”
Checking file systemPerforming live verification.
Checking Journaled HFS Plus volume.
Checking extents overflow file.
Checking catalog file.
Checking multi-linked files.
Checking catalog hierarchy.
Checking extended attributes file.
Checking volume bitmap.
Checking volume information.
The volume Macintosh HD appears to be OK.
Verifying and repairing partition map for “ST9500325AS Media”
Checking prerequisites
Checking the partition list
Adjusting partition map to fit whole disk as required
Checking for an EFI system partition
Checking the EFI system partition’s size
Checking the EFI system partition’s file system
Checking all HFS data partition loader spaces
Reviewing boot support loaders
Checking Core Storage Physical Volume partitions
Updating Windows boot.ini files as required
The partition map appears to be OK

See this for incompatible log in items
https://support.apple.com/kb/TS4348
Also you can perform #1 and #2 as these occur before Safe Mode, so you just reboot again with Shift key if you need to enter Safe Mode again.
At this point it sounds like your hard drive is dying or some sort of other hardware issue which I can only advise this.
Try to install OS X on a external drive and boot from it, if it's fine then you know your internal boot drive is dying.
Create a data recovery/undelete external boot drive
You can replace your internal drive yourself.
OtherWorld Computing is pretty good about providing drives and tool kits to perform that function yourself.
Install/upgrade RAM or storage drive in Mac's

TS2570 Hi, MacBook Pro & Snow Leopard- startup probs. I have tried repairing with the disk utility, resetting PRAM, booting in safe mode, and finally trying to get to archive&install the o/s, but it cannot find the destination volume. IsAn erase the only

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