My 13" MacBook Pro freezes at startup

While using Firefox, my Macbook pro frooze about 2 days ago. The screen was only showing the multi-colour spinning circle.
Pressed [Command + Option + Esc] to force quit. No response
Pressed Power Button for 10 sec.Power OFF
Again Pressed Power Button, the MacBook Pro freezes at startup, the MAC makes the startup music, enters a white Screen and is stuck there. There is a light clicking noise continously heard.
Followed instructions to RESET SMC.
1. Power OFF.
2. Press [Shift + CNT + OPT + Power Key] and release at same time.
3. Power ON.
There was no response.
Attempted multiple times to switch-ON and OFF MAC-Book. No response
Attempted RESET SMC multiple times. No response.
Then suddenly when I gave up, it unfreeze after 15 minutes and enters the login screen.
Did a normal shut-down and power up. It was OK.
Then, ran the Firefox in debug mode and disabled the plug-ins.
It was stable for a 2 hours.
Then again, got the spinning colour circle.
So, took it to the service center last afternoon here at North Point, Hong Kong. The engineer there instructed me to backup the hard-disk and recover the CD.
Brough the machine back to my home.
Since the spinning colour circle would not stop, powered OFF the device.
On POWER ON, the screen freeze. Just like the first time.
Tried RESET SMC, Nor esult. Left the device power-on for an hour. No result.
Then, inserted the recovery CD. Powered OFF the Macbook Pro. Powered ON and pressed "C" immediately. No response. The CD is now stuck inside the MACBook Pro.
Still have the white Screen at Power-On.
Advice how to solve this problem

Disconnect all peripherals from your computer.
Troubleshoot the spinning beach ball
Common symptoms of a dying hard drive
Hard drive is making a clicking, whirring, grinding, ping pong ball noise or any other type of unusual noises.
Hard drive is not spinning.
Computer is not recognizing the hard drive.
Sluggish loading of applications.
System freezes and hangs.
An interesting site - Hard Drive Sounds by drive manufacturer.
Mac OS X: Starting up in Safe Mode
Apple Portables: Troubleshooting the slot load optical disc drive

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MacBook Pro Freeze on Startup

Hi there,
My MacBook Pro is freezing on startup. When I turn it on it makes the startup sound and gets to the Mac OS X blue bar, but the blue bar only gets to about halfway and then it just stops. i have to hold down the power button to turn it off.
I've only been able to start it up by reinstalling from the MAC OS installion discs (archive and install), which I've had to do three times. When I turn it off though and restart, same problem all over again. I've also run the repair authorisations etc in Disc Utility - everything seems ok.
It will start up if I hold down command V ( which I think is safemode) but not normally at all.
Once the system is actually going, it's all fine, so I'm thinking it's not a hardware problem, only a software one. Maybe something to do with an update I've downloaded? But I have no idea how to ID the problem... and I'm back to my orginal OS X operating system now.
I've had my MacBook Pro for just over a year and until last week, no problems at all. Only thing that's changed is that I've started using the airport for the first time - till now I connected to the internet via a USB ethernet adaptor. Perhaps that has something to do with it?
Can anyone help me?
Thanks so much.

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Macbook Pro Freezes At Startup after installing ram

Hey guys, hopefully some one has more knowledge than i do on this
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... and i have no idea what else to do :?
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emeraldxx wrote:
But when I try to turn my laptop back on it gets to the grey screen with the apple logo and little spinner thing and just stays on that screen forever.
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'''Try Firefox Safe Mode''' to see if the problem goes away. [[Troubleshoot Firefox issues using Safe Mode|Firefox Safe Mode]] is a troubleshooting mode that temporarily turns off hardware acceleration, resets some settings, and disables add-ons (extensions and themes).
If Firefox is open, you can restart in Firefox Safe Mode from the Help menu:
*In Firefox 29.0 and above, click the menu button [[Image:New Fx Menu]], click Help [[Image:Help-29]] and select ''Restart with Add-ons Disabled''.
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* On Windows: Hold the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* On Mac: Hold the '''option''' key while starting Firefox.
* On Linux: Quit Firefox, go to your Terminal and run ''firefox -safe-mode'' <br>(you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
When the Firefox Safe Mode window appears, select "Start in Safe Mode".
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'''''If the issue is not present in Firefox Safe Mode''''', your problem is probably caused by an extension, theme, or hardware acceleration. Please follow the steps in the [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]] article to find the cause.
''To exit Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.''
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Try a Safe Mode boot ...
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Le husky wrote:
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I didn't know the price for Scannerz went up. I could have sworn I only paid 30-some bucks for it. Maybe it was on sale at the time. I don't remember.
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My 13" MacBook Pro freezes at startup

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