TS2570 my imac 27 inch 2011 is not booting up, the i mac is stuck on a gray screen with no apple logo or anything

my 27 inch 2011 iMac is not boting up, the cumputer is stuck on a grey screen with no apple logo or spinnign wheel. The iMac is not giving power to the keyboard as it is not ligthing up the caps lock botton when pressed.

Contact Apple Service, iMac Service or Apple's Express Lane. Do note that if you have AppleCare's protection plan and you're within 50 miles (80 KM) of an Apple repair station, you're eligible for onsite repair since yours is a desktop machine.

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Non-booting Mac mini (stuck at gray screen with no Apple logo or others)

We've got a G4 Mac mini whose motherboard was recently replaced. I've put it back together carefully following the instructions on pbfixit.com, but I can't get it to boot.
When powered on, the chime sounds normal, and the screen comes on after a few seconds with a gray background--no Apple log, no spinner, no error, no flashing icons, nothing.
I've already zapped the PRAM 3 times using OptCmd+PR, no go.
I'm able to get into OpenFirmware using OptCmd+OF and have done reset-nvram and reset-all, restarting the machine, but no luck. The system date remains current also, indicating perhaps it's not resetting the PRAM either way somehow.
The disc drive won't accept a boot CD or DVD as if it's unpowered, but it's snugly connected.
I'm unsure what to test next. Suggestions? Thanks.

Greetings,
I just had the exact same problem with a Mini. Would only boot to a gray screen no matter what I did. Booting into the OpenFirmware did help, booting into the Startup utility (by holding "T" down at startup showed no hard drive and no CD/DVD drive.
Hold on to your hat . . . .
The issue was the battery. These guys have a Lithium battery that allows them to boot up, a battery that can be purchased anywhere that sells those kinds of thing. I bought 2 for $3.50, it was more time and trouble to get into the case and get at the logic board but once the battery was replaced everything works like a dream.
Here is an excellent step-by-step tutorial about getting into the case http://www.sterpin.net/uk/ddMacMiniuk.htm. Just make sure that doing so doesn't void any warranties.
Good Luck!
Gail

My MacBook Pro will not start. When I started it goes to a gray screen with the Apple logo and has the spinning dial. When I started in safe mode it will not start. In safe mode it as an error message that says MacBook Launch_msg():Socket is not connected

My MacBook Pro will not start. When I started it goes to a gray screen with the Apple logo and has the spinning dial. When I started in safe mode it will not start. In safe mode it as an error message that says MacBook Launch_msg(): Socket is not connected

If running 10.7 or later hold down Command-R at Startup.
This should invoke recovery Mode.
Choose Disk Utility.
Select your Hard drive. Inspect the SMART Status in the lower right of the window for "Verified".
Select the Mac OS X Volume (originally Macintosh HD) click (Repair Disk)
If errors, run again until it comes clean or gets stuck.
Report any error messages.

Help, got an iPad 2 and it will not turn on? Just got a blank screen with a apple logo. Tried restore (I.e. holding down both buttons for 10min) iTunes also does not recognise iPad when connected to mac?

Help, got an iPad 2 and it will not turn on? Just got a blank screen with a apple logo. Tried restore (I.e. holding down both buttons for 10min) iTunes also does not recognise iPad when connected to mac?

If the device doesn't appear in iTunes, try using the steps in this article to force the device into recovery mode.

My Macbook pro 13 inch is stuck on a gray screen with the apple logo, how do I fix this?

Sooo, I was using my laptop for a while and the charger was kind of broken, it was dip in and out, and slowly I got a "Service Battery" notification. I updated my system and now everytime I try to boot up my computer it'd show a gray screen with the apple logo and a loading bar with a circular loading icon but it never actually boots up. It stays stuck at that loading screen. I don't think it's because I uploaded my system that it happened, but I'm wondering if it's because I didn't change my charger/battery, and I'm wondering if I have to get the harddrive changed or is there a way for me to recover my files and whatnot without having to whip it. Please help, and thanks in advice to any help offered.

Dwaniej,
you can try this: boot your MacBook Pro into Recovery mode by holding down a Command key and the R key as it starts up. Once the OS X Utilities menu appears, select Disk Utility. On the left-hand side of the Disk Utility window, select your internal disk’s boot partition (typically called “Macintosh HD”). On the right-hand side, press the Verify Disk button if it’s not greyed out; if it is greyed out, or if it reports that errors were found, press the Repair Disk button. Once the verification/repair is completed, exit Disk Utility and select Restart from the Apple menu to restart in normal mode. Does it get past the grey screen now?

TS2570 tried restart and hold c key, but still only getting white screen with grey apple logo and spinning loading icon, what do I do next?

nephew had mutliple tabs open and shut down the iMac by hitting the button on the back instead of closing everything corectly. Now the only screen i get is the white with apple logo and the loading circle icon. i have attempted restart and c key with disk in but cant even get a menu to come up. What can I attempt from home before having to haul this into the store?

wireless keyboard and mouse were working prior to safe mode attempt, i was able to eject disk. still waiting on the safe mode restart. I'm not sure what I should be looking for to confirm safe mode and what the screen should look like if successfully processing. it seems to be putting off a lot of heat. BRB
Message was edited by: FeydakeeeeenHelpMePlease

My Macbookpro will not start up. At first it was showing a gray screen with a flashing folder and question mark. I went through the steps to repair with disc utility and this did not work. How do I back up my data, without time machine activated?

I need to back up my files and date before erasing my drive, but my time machine backup is not coming up. How do I access my hard drive to back up my files?

A erase of the drive or boot partition is not always necessary.
Flashing question mark at boot could be a easy fix, sometimes it's the firmware that simply forgot what bootable volume to boot from.
Try holding the Option key down while booting the machine, a choice of bootable options appears, select your OS X and boot up.
When you get in, head to System Preferences > Startup disk and set it again new. This will tell the firmware what to boot from. Test it to see.
Now if you don't have a selection of bootable options, it could be that the drive is dead, or OS X is erased or corrupted so it can't boot.
You'll have to run through this list of fixes to see what's going on, if you need a hardware fix or what, I've also included links if you can't fix it and need to recover your data etc.
(If it's not remmebering your boot selection then also run through the list to reset things.)
Step by Step to fix your Mac

I am not able to use my Mac while FileVault is encrypting. Is it frozen on a gray screen with the apple logo. Is it actually encrypting?

I have an early 2008 MacBook and running iOS Lion. I just turned on FileVault and restarted my computer as instructed. It told me before hand that I would still be able to use my Mac while the files were being encrypted. However, when I logged in on the secure gray login screen, I was only directed to a plain gray screen with the apple logo in the center. There are no time turners or anything moving. Is my Mac encrypting or is it frozen in some sort of way? If it is encrypting, how long does it usually take? and if it is frozen, how do I unfreeze it?

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 startup failure is to secure the 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 the last backup, you can skip this step.
There are several ways to back up a Mac that is unable to start. You need an external hard drive to hold the backup data.
a. Start up from 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.” The article refers to starting up from a DVD, but the procedure in Recovery mode is the same. You don't need a DVD if you're running OS X 10.7 or later.
b. If Step 1a fails because of disk errors, and no other Mac is available, then you may be able to salvage some of your files by copying them in the Finder. If you already have an external drive with OS X installed, start up from it. Otherwise, if you have Internet access, follow the instructions on this page to prepare the external drive and install OS X on it. You'll use the Recovery installer, rather than downloading it from the App Store.
c. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, start 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.
d. 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. You might be able to start up in safe mode even though you can't start up normally. Otherwise, start up from an external drive, or else use the technique in Step 1b, 1c, or 1d 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 startup 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.
Step 6
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to start up, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can start up 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 started from an external storage device, make sure that the internal startup volume is selected in the Startup Disk pane of System Preferences.
Start up in safe mode. Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Post for further instructions.
Safe mode is much slower to start 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 the login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
When you start up 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, the startup volume is corrupt and the drive is probably malfunctioning. In that case, go to Step 11. If you ever have another problem with the drive, replace it immediately.
If you can start and log in in safe mode, empty the Trash, and then open the Finder Info window on the startup 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 restart as usual (i.e., not in safe mode.)
If the startup process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 8
Launch Disk Utility in Recovery mode (see Step 1.) Select the 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 restart as usual.
Step 9
If the startup device is an aftermarket SSD, it may need a firmware update and/or a forced "garbage collection." Instructions for doing this with a Crucial-branded SSD were posted here. Some of those instructions may apply to other brands of SSD, but you should check with the vendor's tech support.
Step 10
Reinstall the OS. If the Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Step 11
Do as in Step 9, but this time erase the startup volume in Disk Utility before installing. The system should automatically restart into the Setup Assistant. Follow the prompts to transfer the data from a Time Machine or other backup.
Step 12
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 startup 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 13
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.

My iMac will not boot into the Apple Hard Ware test. Why is this?

I have a late 2012 27 inch iMac. It will not boot into the Apple Hard Ware test. I do have File Vault turned on. Will this stop it from booting in to the test?

See Using Apple Hardware Test. For some Apple computers that shipped with OS X Lion, if Apple Hardware Test cannot be found on the hard drive, an Internet-based version starts up instead. An Internet-enabled connection via ethernet or Wi-Fi is required to use this feature. Some computers that shipped with Lion require a software update to use this feature. See Computers that can be upgraded to use OS X Internet Recovery for more information.
Note: your machine cannot be running Mac OS X (10.6.7).
27" i7 iMac (Mid 2011) refurb, OS X Mavericks (10.9.4), ML & SL, G4 450 MP w/Leopard, 9.2.2

Imac crashed and will not boot up

So my iMac crashed and will not boot. The power will come on and when it switches to the boot sequence it powers off. I bought Black Tie protection at Best Buy but when I took it to them they shipped it to Apple. The problem was never fixed. Apple said it was a software issue to reload the OS. Well i did that and not even a day went by and it is doing the same thing. Any suggestions would be helpful...

I agree with BGreg that you should run Apple Hardware Test , however run it in Extended Mode. If no errors turn up run it several times. It's a lengthy test so be patient. Also here is what Apple says about your symptoms in Gray progress bar appears under Apple logo during startup.
I hope you have been backing up your system, if not then if you can boot into Safe Mode as suggested you should immediately backup using either a clone or Time Machine. That should be the #1 priority to preserve your data.

Imac 21" mid 2011 can not boot from USB device?

Hi,
hope someone can help me.
Bought the new imac 21" and replaced the superdrive with a ssd drive.
Works great but it seems that the imac is not able to boot from any usb device.
I put my osx install disk in my external dvd drive and powered my mac.
While booting up (pressing cmd) the mac does not recognize my external dvd drive. This works great with my MBP late 2008. But the imac can not boot from the dvd drive. Also pressing "c" while booting does not work. Doing that a grey screen appears and after some time mac boots from hdd.
So i installed mac os via target mode over firewire withbmy old imac. This works.
But now i want to install windows on a bootcamp partition.
I can't boot from the windows 7 professional dvd, too. So i tried to create a bootable win 7 thumbdrive. Mac can't boot from this too. Reading many threads in some forum i tried with rEEfit. Reefit shows the usb thumbdrive whike booting, but using this will end in a black screen error from bios: "no bootable device....". Tried a knoppix on the usb thukbdrive, too.... No bootable device....
It seems that there is no way to boot from ANY external usb device like dvd drives or thumbdrives......
What more can i do? I tried for 2 evenings now, but nothing worked out for me......
Currently i don't see any any to install win 7 without an internal superdrive, but can this be??
Thanks for any comments.
Kwicks

Internal is definitely the easiest but you can boot from external HD or external optical drive, the mac is just very picky on what works and what doesn't.
For an external drive or usb stick it has to be GUID partition table and have 10.4.5 or better installed on it, for more info check this link out ( http://support.apple.com/kb/ht1948 )
Hope this helps,
Joe

My iMac will not boot past the logo and spinning gear

My iMac will not boot past the logo and spinning gear (After a Rogue Amoeba update). I can't access the recovery disk I made on a flash drive. (Am I doing it correctly? - Hold down option while switching on? It just stays on the logo). What (if anything) can I do please?

If you installed Lion onto your machine, it should have created a Recovery HD (hidden from view, but visible in Disk Utility with its Debug menu enabled, under Show all Partitions).
That article states:
Note: In order to create an external Lion Recovery using the Lion Recovery Assistant, the Mac must have an existing Recovery HD.
Would I see the recovery menu (by holding down option on power up)
Yes.
if there was no recovery disc connected do you think?
Shouldn't matter, since your int HD is always connected.

I have a macbook 2011 and its booting to the apple with a loading bar. it gets halfway and changes to a screen with the apple and a spinning circle. It spins untill it dies. will not boot to safe mode. Do not have orriginal osx disk either.... HELP :(

i have a macbook 2011 and its booting to the apple with a loading bar. it gets halfway and changes to a screen with the apple and a spinning circle. It spins untill it dies. will not boot to safe mode. Do not have orriginal osx disk either.... HELP

It happened after an update

My early Intel iMac running Snow Leopard will not boot past the apple logo. I have tried holding the c key and inserting the install disk, but nothing. What do I try next?

My early Intel iMac running Snow Leopard will not boot past the apple logo. I have tried holding the c key and inserting the install disk, but nothing. What do I try next?

I have tried resetting PRAM and all other items listed in the Apple support site. This happened after an update to iTunes was added. Also this is happening to other people. Please help.

Deleted files now Macbook pro 13 2011 does not boot up

Tried following some instructions to delete search.genieo an safari and deleted some files. Now my Macbook pro 13 does not boot up at all. All I see is the screen with small apple and the running circle below indicating it is thinking. any clues anyone. Thxs

Just for the record, in case someone with the same problem stumbles across this topic later, I'll repeat the advice I gave you on another topic:
You did not follow the instructions precisely, and now you have suffered the fate that the giant red text on that page warned you about.
At this point, you will need to try the recovery instructions posted at the end of that page.

TS2570 my imac 27 inch 2011 is not booting up, the i mac is stuck on a gray screen with no apple logo or anything

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