Macbook not loading past white screen with logo and spinnning wheel?

ok, so basically i have a macbook 10.6.4 Snow Lepoard that is making me want to literally bash its brains out but, unfortunatly i cant because it is owened by the school...
As mentioned in previous posts, my school It dept are incredibly slow and their idea of fixing something is to wipe everthing and reinstall all the programs once again. if that dosent work their other way of fixing something is to send it off to apple. for obveous reasons i want to avoid that.
it ONLY started today, (last night i was happily doing last minuite homework) when its was lagging so much that i did the inevitable, i quit tetris and restarted my computer...
This led to me sitting infront of a white screen and a spinning wheel for the whole lesson. The next lesson i got fed up with waiting and restarted. nothing. I have also notied that my macbook seems to heat up REALLY FAST toward the bottom of the screen (where is says macbook).
Any suggestions?
Thanks in advance,
Favvi

well i went to hand it in today but the fails that we call 'the qualified IT deptarment' (even though they are only two), decided to take the day off. they were supposed to be there recess and lunch but the room was pitch black.
When you say that "you do not need admin rights to perform the different solution", i actually am the admin of the laptop but there is another hidden admin so that they can change any settings in the computer without our passwords.
i have previously tried that whole command letter thing for various other things such as safe mode and starting from the disk and have had no sucess. i dont know if my timing is off or something but it never works. however, i have been able to retrive a disk from the disk drive by pressing the mouse button when it turns on.
this is an exerpt from a previous post:
favvi wrote:
so im really starting to get annoyed now. I have tried that single user mode start up thing (command + s) after the chime, before the chime, hold it down for a second, hold it down forever BUT IT ALWAYS JUST GOES INTO MY LOGIN SCREEN!!! i cant seem to get around this. I cant get into the 'utilities' from my install disk because it asks for an admin name and password. i am literally tearing my hair out…
Barney-15E:
That doesn't make any sense. When it boots to the install disk, there is no user to authenticate.
Does it have an Open Firmware password set?
i assumed that this was set. but to be honest i have no freaking idea.
also i was talking to a friend today and she said that she had the same issue and they had to replace the battery. although i have no idead on how the battery could be affecting this?

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Macbook not loading past white screen. DU not finding HDD, works externaly

Hello,
My Macbook stopped working recently, it crashed, so I held down power button for it to turn on again.
I did this the next morning and it just would not load past the white screen, I tried turning off and on again with no joy.
I had the circle with a line through it at one point. I tried safe mode and reseting whist holding cmd S, then option cmd P R.
I loaded with the disk in and Disk utility could not find the disk.
I plugged the HDD into a USB adapter and the HDD works fine, I am using it to write this.
What would stop the mac from loading the HDD and cause Disk utility to not find the disk?
Macbook Pro 13.3" 2009. I recently put in 8GB RAM to replace the 4GB. Using Lion since it came out.
Any help guys?
Sorry if this problem has been posted else where already.

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OS X Mavericks- Reinstall OS X
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Mac will not boot up, white screen with turning gear for hours on end

mac will not boot up, white screen with turning gear for hours on end

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.
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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
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. The easiest way to deal with the problem is to boot from an external drive, or else to use either of the techniques in Steps 1b and 1c 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 boot 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.
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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.
Step 7
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.
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.
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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 corrupt and the drive is probably malfunctioning. In that case, go to Step 6.
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Step 8
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.
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Step 9
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.
Step 10
Repeat Step 9, 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 Time Machine or other backup.
Step 11
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 boot 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 12
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.

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Shut down the machine.
Disconnect the power cable.
Wait about 15 seconds
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Wait a few more seconds.
Press the power button to restart.
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More information on >>>      http://support.apple.com/kb/HT1455
If the system boots in Safe Mode you could have a software issue and may need to reinstall the OS.    Which is why I asked if you have or can get the original DVD.

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Hi snakeman:
I regret that you are still having issues. I am sending links to documents that I hope will assist you Windows 7 Does Not Start click here ,Troubleshooting System Recovery Problems (Windows 7) click here. and Testing for Hardware Problems Using Hardware Diagnostic Tools (Windows 7) click here.
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Sparkles1
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the bottom right to say “Thanks” for helping!

Imac won't start beyond white screen apple logo and circle

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Follow the steps at > Mac OS X: Gray screen appears during startup

Start Up Issue-Gray Screen, Apple Logo And Cognition Wheel-Blue screen before start up at times but no longer starting up beyond gray screen and cognition wheel

Power button pressed.
Start up light okay
Chimes okay
Gray screen, apple logo and cognition wheel spinning and the loading bar underneath loading 1/10th of the way.
Loading bar doesnt load fully and then disappears.
Gray screen remains with apple logo and cognition wheel only.
No start up to desktop. Before start up to desk top which is not happening any more a blue screen appeared before the desktop appeared. When start up complete the ' Finder' had no responded and did not work' Multi coloured loading pointer continually turned. ' Network' could not be loaded in 'System Prefrences'.
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Hardware test - No problem found
Safe Boot - ' volume Machintosh HD could not be repaired.'
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What do you suggest aside from taking it to a apple store?
Thanks Stephen

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Clinton

Macbook not loading past white screen with logo and spinnning wheel?

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