TS3148 iMac Startup Apple Logo Progress Bar Hangs.....

I Lost my Installation Disk what can i do.. please help in this.... iMac Startup Apple Logo Progress Bar Hangs.....

You likely have a problem with the drive as the progres bar is trying to fix the drive and it can't.
You need to backup your user info off the machine as soon as possible.
hold the shift key on booting, that may get you in.
see this
 Mac won't boot or "You need to restart"
 Step by Step to fix your Mac
order a new 10.6 machine specific disk from Apple, your going to need it.

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Boot continues to fail - gray screen apple logo progress bar...

I have a mid-2012 MBP. I upgraded to Yosemite. Things were working well. Laptop wasn't used for a week - sleep mode was in use and battery drained. Upon boot-up, progress bar took longer than usual, and after 15 minutes or so it inched its way to the halfway point and finally got to my desktop. Sleep mode is great and I kept the battery charged and didn't let it drain. I needed to do a restart from some updates, but restarting took forever again. I booted off my usb3 yosemite installer and ran disk utility to repair permissions and repair disk. Both found problems and the repair to the disk said I needed to backup any files and start over.
So I got a smaller SSD and installed Yosemite on there, and did a migration to the new SSD. Everything seemed great and snappy for a few days, but once again, after using it in sleep mode for those few days, now it takes forever to start up. I rarely ever restart the Mac, it's awesome. But, the SSD was too small for all my iTunes backups and apps - so I got a 512GB SSD and decided to start over. Once again I installed 10.10 and migrated my data, this time from my time machine backup (few days old). It worked well for one day. ONE DAY. And then it wouldn't even boot. It was slow once, then the next time the stupid progress bar makes it 1/3rd of the way and just quits there. Disk utility finds no errors now, but it won't boot up.
The screen dims, the cursor appears, but the screen with the progress bar remains for about an hour until it brings up a screen full of text stating startup wasn't successful in a dozen languages and then it reboots. Over and over it goes.
When I boot off the usb install, the same progress happens, 1/3rd of the progress bar fills, screen dims, cursor appears, but eventually it turns into the spinning rainbow and the progress bar finishes. I never make it to the rainbow part.
I have reset PRAM as well... Tried different Apple certified RAM. Not sure what steps to do next, so I'm reinstalling Yosemite as I type this.
The 512GB SSD and the smaller SSD were both used in windows machines for at least 6 months prior to use in the Mac, so I'm positive they are good drives. Now I'm not sure if my original HD was even defective or not. Does anyone have any suggestions of things to try or what the problem might be? TIA.

If you can't start up and log in in the usual way, try in safe mode.
During startup, you’ll see a progress bar, and then the login screen, which appears even if you normally 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.
Log in as an administrator to carry out these instructions. If you have only one account, you are the administrator.
☞ If you don't see any reports listed, but you know there was a panic, you may have chosen Diagnostic and Usage Messages from the log list. Choose DIAGNOSTIC AND USAGE INFORMATION instead.
Safe mode is slower than normal, and some things won’t work at all.
Note: If FileVault is enabled in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is a software RAID, you can’t start in safe mode.
If you're able to log in, launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
In the Console window, select
DIAGNOSTIC AND USAGE INFORMATION ▹ System Diagnostic Reports
(not Diagnostic and Usage Messages) from the log list on the left. If you don't see that list, select
View ▹ Show Log List
from the menu bar.
There is a disclosure triangle to the left of the list item. If the triangle is pointing to the right, click it so that it points down. You'll see a list of reports. A panic report has a name that begins with "Kernel" and ends in ".panic". Select the most recent one. The contents of the report will appear on the right. Use copy and paste to post the entire contents—the text, not a screenshot.
I know the report is long, maybe several hundred lines. Please post all of it anyway.
In the interest of privacy, I suggest that, before posting, you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header of the report, if it’s present (it may not be.)
Please don’t post other kinds of diagnostic report.

My iMac displays apple and progress bar then shuts off

Hi I heard the apple bar erases the memory when this happens. Does anyone have another option?

The progress bar usually indicates it is attempting a Safe Boot, which does clear some Caches. It doesn't erase the memory.
First, try resetting NVRAM: http://support.apple.com/kb/HT1379
Can you boot into Recovery? If so, try to repair the disk in Disk Utility.
http://support.apple.com/kb/ht4718

I made A restor with erase from my IPad sitting and it's start and appear on screen apple logo with bar under it but noyhing happened still from 2 hour on this stution

I made A restor with erase from my IPad sitting and it's start and appear on screen apple logo with bar under it but noyhing happened still from 2 hour on this stution,,what can i do?

See if this page helps : http://support.apple.com/kb/HT4097 - it mentions 'showing the Apple logo with no progress bar or a stopped progress bar, for over ten minutes.'

My MacBook Pro shuts down within seconds after starting with a Gray Screen and Apple Logo, a bar comes at the bottom.

My MacBook Pro starts with a Gray Screen and Apple Logo, a bar comes at the bottom, but after few seconds the machine shuts down. This was bought approx 1 year back. Please help!!

jayanta.ray,
which model MacBook Pro do you have (did you buy it new?), and which version of OS X is installed on it?

My 2010 Macbook Pro display is distorted upon startup and I can't login or see apple icon/progress bar. How do I go about fixing it? Thanks.

I have a 17" MAcbook Pro purchased late 2010. Recently has developed some display problems, y'day ran in safe mode and it fixed it and I was able to login etc., This morning when I boot up, it shows display distorted and I can't see apple logo or progress bar etc., and am unable ot login. I need to atleast be able to recover my files before I give it for fixing (if it needs to be repaired). Any steps you folks recommend for me to run? Any diagnostics or other tips? If I run safe mode, it seems to hang after a while and it is hard to read the screen to know exactly where it is stuck.....as the display has problems.
Thanks for your help.

there is an app called daisydisk on mac app store which will help you see exactly where the memory is focused and consumed try using that app and see which folders are using more memory

Tried almost everything, iMac (2008) still stuck at startup (Apple logo)

My iMac from 2008, currently running 10.6 but was originally a 10.5, has been stuck on the white screen + Apple logo with no spinning beach ball.
There were no troubles before this, I just turned it on one morning to it like this.
I've practically tried everything to no avail...
Safe boot: goes back to Apple logo
Option key: the HD is shown, but goes back to Apple screen when clicked
NVRAM/PRAM reset: did nothing but make the volume and screen brightness back to default
Verbose mode: gets stuck on "Executing fsck_hfs..." and doesn't proceed whatsoever, even after hours of it being on
Single User mode: same as Verbose mode. Just stuck, never proceeding.
Sometimes it goes on a restart loop until I stop it with a NVRAM/PRAM reset.
Sometimes it beeps 2 times, then goes on to 3 beeps until turned off (RAM problems?) but not all the time.
I'm thinking I should just do a complete and clean reinstall of the OS to see if it'll help...but my optical drive hasn't been working for a while now, so I can't just stick in the CD...
Is it worth it to go and buy an external CD/DVD reader and try to do a clean reinstall from that? Is that even possible?
Have an idea on what might be causing this? RAM? Corrupted files??
Should I suck it up and go to the Apple store? (Which I'm trying to avoid, as an iMac is heavy and I have no car)
Any help will be grately appreciated!
Thanks for reading.

I fixed it!
I thought I would post what I did in case anyone else in the future has the same problems as me.
I went out and got an external CD/DVD drive and plugged it in with the first install disc that came with my Mac. (The grey CDs with 10.5, not the 10.6 upgrade DVD)
Pressing C on startup didn't work, so I pressed D instead and got the Apple Hardware Test. After testing, I got a 4MEM error, which means it was the RAM.
Tested one RAM at a time, and it seems like one of them had stopped working. I also tested the good RAM in both slots in case it was the slots that were erroring, and not the sticks.
Then, I booted up my Mac again with the good stick of RAM, pressed C, and went into Disk Utility. There, I verified and repaired the disk (there were some errors there too, but it fixed it up).
I rebooting the Mac with one stick of RAM, and it started with no problem!
But because I'm only running on 1GB, things are a bit sluggish, so I'm going to use this opportunity to upgrade my RAM. All is right in the world again.

MacBook Pro frozen on startup screen with progress bar and then it turns off

Hello, I have a MacBook Pro 15" of early 2012 with a i5 Intel, 4GB of RAM and a 500 GB HD.
I was installing the new suit of Adobe, when suddenly my Mac got frozen, vertical coloured lines appeared and the image on screen went distorted. I had to reboot the Mac by holding the power button until the screen turned off and when I turned it on, the lines appeared again and it itself automatically rebooted. Then the screen (now with no vertical lines) got frozen on the startup grey screen with the apple logo and the spinning wheel for hours with no response.
I tried to follow the steps of the official mac forums like verifying the HD with CMD+R and then Disk Utility, it says everything's fine; the same happens with CMD+S, no errors. I reinstalled Mavericks with the same CMD+R. I already reset the PRAM, SMC and performed a Safe Boot staring up in Single user mode and Verbose Mode and nothing, the same startup screen. I made too thins thing of holding shift until the progress bar appeared. Three days later (Today) I repeated the steps again and finally the verbose mode. Now, when I turn it on, the startup screen appears again (Apple Log and spinning wheel) with a progress bar. When it completes, the Mac turn itself off.
if you can help me, please. I don't know what else to do. The last thing is technical service.

Hi again ggt15,
You can find some more information about the Recovery Partition of your hard drive here:
OS X: About OS X Recovery
http://support.apple.com/kb/HT4718
It sounds like you might be trying to reinstall your copy of the operating system. If that's the case, you may also find some helpful information here:
OS X Lion: Reinstall Mac OS X
http://support.apple.com/kb/PH3878
Thank you for using the Apple Support Community. Due to the nature of your issue or question you may find more information by using another one of Apple's support resources - https://expresslane.apple.com/GetproductgroupList.action.
Cheers,
Braden

On startup, Apple logo disappears, replaced by block of pixels.

Just started having a bizarre issue upon startup. When the very first screen appears, the pale grey one with the clock at the bottom, the Apple logo appears only briefly, then is replaced by a block, about two inches by two inches, of random looking colored pixels. It sort of looks like "snow" on a TV screen, only not moving. Sometimes it appears immediately and I never see the Apple logo, but usually the logo appears briefly and then disappears. Machine hangs on this screen for a few seconds and then startup proceeds normally. Have booted up from a pristine administrator account I keep for troubleshooting, and the problem is still there, so I know it is system wide and not a user issue. I have booted up from an external firewire drive and the problem doesn't occur, so I know it is a problem on my hard drive, or the hard drive itself. I've booted from my OSX installer CD, and no problem. Repaired permissions, verified drive to be okay, etc.

Hi, I believe it's just a damaged image file, perhaps this one...
http://forums.macosxhints.com/archive/index.php/t-5348.html
But, I thought it was a png, or tiff, or something... lost my link on how to replace the bootup one, but perhaps...

IPad 2 froze while updating. Apple and progress bar on screen. Reboot did not work. Help?

iiPad 2 froze while updating. Apple icon and progress bar on screen. Reboot did not work

Try reset iPad and continue with update.
Hold the Sleep/Wake and Home button down together until you see the Apple Logo.
Note: Data will not be affected.

HT201412 MY IPAD 3 is FROZEN updating to IOS 6.1.3 Screen has apple logo and bar up center of screen. What can I do?

My IPAD 3 FROZE while updating to IOS 6.1.3 Cannot turn IPAD off, cannot connect to ITUNES. Screen shows Apple Logo and vertical progress bar. Progress shows about 50%. Can anyone suggest a solution? Note IPAD 3 still has power and is still showing the LOGO ect. My WIFI is active as I have three other devices able to use WIFI. Thank you for your help
Message was edited by: inclinelarryl

See if this page helps : http://support.apple.com/kb/ht4097 - it mentions a frozen progress bar when updating, and describes putting the iPad into recovery mode and restoring the iPad via your computer's iTunes

Stuck on the startup Apple logo and spinning loading wheel.

I have a power mac g5 with tiger 10.4.11 OS on it. I bought it a year ago second hand and it has been working amazing since then. But about two weeks ago I got that message on screen telling me to resart my computer and then after that I couldn't start my machine up. It kept on getting stuck on the spinning wheel at the start with the apple logo and if I leave it long enough, the apple turns into a no entry sign and the fans start to become very noisie. I have luckly been able to start my Mac up on some occassions so I have backed everything up on an external hard drive. I have also re-installed the operating system on there cause I thought it might have just been a disk error or somehing. Since I've re-installed everything, I haven't putall my applications back on. Only a couple so that I could create this web site. I also remember typing somehing into terminal before this all happened so I have a feeling it might be somehing to do with that but I have no idea what I typed in there but I'm sure it didsomething bad. I'm a bit slow with computers so I may ask for a step by step if I don't understand your solutions sorry. Thank you for your time.

Charmtav wrote:
I have also performed a Safe Boot whilst holding down command and V to see what's happening and the bit which it gets stuck on is "Still waiting for root device".
There's the clue...
Now, how to fix the problem, which is not getting the following in the verbose output:
localhost kernel[0]: Got boot device = IOService....
If you have not already reset the PRAM and NVRAM memory areas, you should at least do that once before trying the test I describe below.
To reset PRAM, hold down cmd-option-P-R keys at power up (not restart) until you hear the second startup chime.
To reset NVRAM, hold down cmd-option-O-F at power-up to boot into open firmware, which is basically a "dumb terminal" display and type the following two commands:
reset-nvram
reset-all
and see if the boot works from there.
*You may have a failing HD* or the erase-and-install caused a problem. I am not clear about whether you were actually able to boot from the install disk. If that didn't happen, then you should disconnect the HD connectors and see if you can boot from the install disk. If that works fine, then we may be on to something. The fact that this all started with a kernel panic followed by successive boot failure issues and the verbose output hang point make me a little pessimistic about the HD.
One other thought concerns the PRAM battery, since PRAM stores things like the root device selected. If it hasn't been changed in a while, or never, to your memory, then it might be prudent to get a fresh one into the machine. (One way to maybe test this theory is to do an option boot, i.e., holding the option key down at power up and waiting for the boot volume select business to make it to the screen. If your hard drive shows up there and you can select it and successfully boot, then I would definitely replace the battery. Actually, I would change it anyway if it's more than a year or two old. A cheap fix and sometimes helps bizarre situations.)

IPhone 4s auto shutdown into dfu, when restore, stuck at apple and progress bar at 0%

I have a iPhone 4s running ios7 autoshut down and go into DFU mode. I try to resture using iTunes but only get as far as the apple logo and progress bar at 0%. Please help!

Hello,
this Solution fixed my Problem.
http://www.reddit.com/r/jailbreak/comments/1v6zkz/how_to_fix_boot_loop_without_l osing_data_stuck_on/
I restored my iphone to ne newest iOS7.1.1 without losing my preferences, passcode, photos, music, pdf, ibooks, apps and app data and so on. After Restoring i saved the app data and photos with the tool itools.
I think its a good solution for people, which not backup there data with itunes and icloud.

Ipad 2 ios 8 update stuck on Apple with progress bar

Hello,
I'm from Paris and I didn't find any solution around me.
So, I hope you'll help me to find something. Sorry in advance for mistakes. My english isn't perfect.
Yesterday, I tried to update my Ipad 2 to iOS 8 in OTA way.
Everything was going fine until the Ipad rebooted. Since this step, the Ipad stucks on the famous Apple with a progress bar under. The progress bar is 30% filled.
I tried to put my Ipad in DFU mode and it doesn't works.
The Ipad switch off few seconds and it switch on back in the state describes before.
Could you please heeeeeelp me.

i have the same problem, my ipad 2 ios 8 update: stuck with apple logo refreshing every 2 minutes or so with the black screen (like the one for boot up or reset) but not turning on or connecting to itunes. plugged it in to the computer for an itunes connect to do a hard reboot and the device shows up in grey (meaning i cannot click on it) for a minute while the ipad cycles with the apple logo. the device showing in itunes then disappears and the whole cycle starts over and over again. yes, please help!
update: ok so another member suggested this and it is working so far, although my data will be lost...it is what it is:
DiavonexFeb 5, 2014 9:46 PM Re: Unable to start my Ipad 2 after upgrading to Ios 7.04 . The screen is stuck with the start up apple logo till full discharge. Please help.
Re: Unable to start my Ipad 2 after upgrading to Ios 7.04 . The screen is stuck with the start up apple logo till full discharge. Please help.in response to Pratik Nayak
FORCE IPAD INTO RECOVERY MODE
1. Turn off iPad
2. Turn on computer and launch iTune (make sure you have the latest version of iTune)
3. Plug USB cable into computer's USB port
4. Hold Home button down and plug the other end of cable into docking port. Do not release button until you see picture of iTune and plug (very important)
5. Release Home button.
ON COMPUTER
6. iTune has detected iPad in recovery mode. You must restore this iPad before it can be used with iTune.
7. Select "Restore iPad"...
Note: Data will be lost

Ipod Touch frozen with Apple logo & loading bar below!

My laptop shutdown while my Ipod was updating software. It is frozen with the apple logo & the loading bar below. When I turned my laptop back on, it will not recognize my Ipod. This means I cannot even try restoring it. I have unplugged & plugged back in & tried holding the buttons on the Ipod for 10 seconds. I'm not sure what to do! Help please!

Try here:
iPhone and iPod touch: Frozen and unresponsive

TS3148 iMac Startup Apple Logo Progress Bar Hangs.....

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