Startup takes forever, Apple Logo changes, Computer is slow.. help??

First off, I am sorry if this is in the wrong section. If so please forgive me.
Secondly, my macbook pro just started acting up a few days ago. The first day it started acting up it was running slow, and the spinning colorful wheel of death started spinning, and everything froze. So I restarted my laptop... The Startup would not pass the white screen with the apple logo and the spinning grey "circle". And then, all of a sudden, the apple logo turned into a "no" logo... like, a "non-smoking logo" but without the cigarette.
Over the pass several days, it has started up, but it is still slow.
I did repair disk permissions, nothing happened to help speed things up.
I tried resetting my RAM, however, since startup will not pass the white screen.
Now, it will not pass the white screen at ALL. And the logo always changes.
I feel like a brought this on, makes me mad if I did anything to make this happen!
Anyways, can anyone help? I am taking it to a ComputerTree tomorrow, cause the apple store is too far away. So if anyone can help before tomorrow/if anyone knows what the problem is... that would be great!!

First, if you don't already have current backups, make one immediately. Don't overwrite any previous backup. To do this, you have two options: (1) Boot from an external hard drive with a clean installation of Snow Leopard, or (2) if you have a Firewire port, start up in Firewire target mode (hold down the T key at the chime until the Firewire logo appears) and connect your Mac to another Firewire-equipped Mac using a FW cable. The internal drive will mount as if it were in an external enclosure. You can then back it up from the second Mac.
When you've done that, if your Mac came with Snow Leopard preinstalled, boot from the installation DVD that came with it, by inserting the disc, restarting, and holding down the C key until the Apple logo appears. If your Mac came with an older OS, boot from the retail Snow Leopard DVD you used to upgrade.
Once booted from the DVD, select Utilities > Disk Utility from the menu bar. Select the internal drive in the DU window, and click the button labeled "Repair Disk." If any problems are found, repeat until the disk comes up clean.
Finally, quit Disk Utility and run the installer. It won't overwrite your data. When it finishes, reboot as usual, and run Software Update to bring everything up to date. You may have to do this more than once to get all the available updates. If you're still unable to boot normally, try booting in safe mode (shift key down at the chime) to apply the updates.

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    After trying to get the system to start either with the install disc DVD or from the HD, without any success, I tried something a little desperate. I replaced the HD with the one that was installed originally. Of course, this HD was reformatted without any system. It, again, tried to start from the install disc DVD, as directed, but with no solution. After a gray logo screen for a couple of minutes it stopped the startup process, but did not shut down, I was still left with a black screen and nothing happening, until I hit a key and the whole thing repeated itself. I have since gone back and reinstalled the larger HD with OX 10.5 installed on it, but with no success. Obviously, it doesn't seem to be anything on the HD. If this was a PC I would think that I needed to reset the BIOS, but I am not that familiar with the ROM. Any further suggestions?

  • Stuck on gray startup screen, no apple logo - help?!

    My Powerbook chimes when I turn it on, then goes to the gray screen, but sits there, does not move forward, no apple logo, no spinning circle, no beachball, nothing. I can hold the power button to turn it off, again to turn it back on, etc., but nothing else. I tried starting in safe mode, same exact result. Tried starting from the leopard install dvd, still nothing. The DVD drive makes the noises as if it's reading the disc, but the computer does not get past the gray screen, and now I can't even get the disc out. Any recommendations??

    Jason: Your present situation is not clear from your posts. Do you still have an installer DVD stuck in your optical drive? When you power up the machine while holding down the "c" key with the installer DVD in the drive, does the machine start up? If not, exactly what does happen?
    Presumably there is an OS installed on your hard drive, because if there weren't, you would never have been able to get onto Hotmail. Does the Powerbook start up from its hard drive when no installer disc is in the optical drive? If not, exactly what does happen?

  • IPOD Touch only shows apple logo and computer will not recognize IPOD in iTunes or on my Mac.  Cannot restore.

    My IPOD Touch 3G is frozen on the apple logo.  It will allow me to reset it.  The computer no longer will recognize it.  I have tried on several Macs and it seems as though the problem is with the IPOD and not the computer since none of my MACs will recognize it.

    You can try to put it on Recovery mode then restore it..
    Press or Hold the power and home keys 10 seconds.
    Screen goes black, now release the power button
    Make sure you do not release the Home key until
    your iTunes says "We have detected an itouch
    in recovery mode."
    After this its simple all you
    got to do is a simple restore using your iTunes

  • Problem with MBP won't startup just showin "apple logo"

    Hello,
    today I have turned off my MBP Retina 15" by pressing the power off while I pressed the update and it won't restart becuse the big applications I have played so I trun it off by Pressing the" power bottun "
    Now It's show only Grey Screen and apple logo only
    I can't see the log in screen
    ======
    I am Using " recovery mode " by Pressing command + R  and Donw arrow .
    I have tride to fix it by using
    Verify and Repair volume "Machintosh HD"
    but not work
    Help me

    Try some troubleshooting before you start trying to move a bunch of stuff around.
    Startup Gray Screen
    Startup Issues - Resolve
    Startup Issues - Resolve (2)
    Startup Issues - Resolve (3)

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