IMac (Intel) :: When Rebooting / Chime Sounded But Screen Remained Gray

Sep 11, 2014

During an upgrade, power was interrupted and when rebooting, the chime sounded, but screen remained gray.

Info:
iMac, iOS 7.1.2

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PowerPC :: Chime Sounded For Few Seconds On Holding Power Button

Sep 20, 2008

I have a 17" G4 1Ghz iMac, we used it until 10 months ago when I got my new 24" Intel 2GHz machine. That new 24" iMac is now in the basement craftroom as the digital hub for pictures/video/etc., while I brought the 17" G4 1Ghz iMac out from my closet for the upstairs loft general web surfing machine. It worked for 2 days and upon shut down would not re-start. I could only hear the fan and nothing else. If I held the power button for 10 seconds upon trying to start up there was a chime that sounded for a few seconds. Once the fan is making small sound, nothing else, if I hold power button for 5-20 seconds the computer will shut down (fan turn off).

Did some online checking, found article on PMU, so I did try and re-set PMU via the apple support article.Resetting the iMac (Flat Panel) Power Management Unit (PMU). Still, no re-start. It was running the latest 10.4.x update upon being put away for 10 months. Here is a picture of the bottom, the red light is on upon trying power on, my finger is on the PMU reset button. Is there any other diagnostic thing I can do? Is there a battery on this logic board that I can check/replace? I'm 100% ok at taking it apart and trying anything to fix it.

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MacBook :: Stuck On Gray Screen After Startup Chime

May 15, 2009

So my girl friend was using my IBook G3 and shut it down normally she says. We then went to turn it on and we will hear the chime but then it will get stuck on that first gray screen, nothing else comes up, no spinning no nothing. Hard drive is not making any different noise, I just don't know whats up.

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Hardware :: Intel Imac Chime When Started But Screen Is Blank?

Nov 4, 2009

I did a pram reset but that did nothing (I heard the initial chime and the one after the reset....still the same problem.) I'm a bit worried because I don't hear the hard drive starting up.

Some more info... Intel Imac 17" (late 2006 model), 512 mb of RAM, running 10.4 (I think). I am not familiar troubleshooting macs but I am troubleshooting PCs.

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OS X :: Intel 24" Imac Stuck At Gray Screen After Using Windows

Jun 2, 2009

My intel imac 24" running mac osx 10.5 (i think, most recent one) has become stuck at the grey screen after the apple logo on a restart with the spinning gear going. This happened after restarting after using in windows mode, which I have done many times before. I have tried various things like PRam thing and disconnecting power for a while with no luck. I can start up pressing alt and get into windows mode (which I am in just now). I can startup and press c off the CD in which I have run the disk repair thing that says all is well. I tried repair permissions and it came up with some kind of error ending. I have also tried and archive install which only goes to about 5% and then tells me there is an error with installing certain files in the mac hard drive.

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IMac (Intel) :: Start With Question Mark Sign On Gray Screen?

Sep 1, 2014

iMac start up... Why my imac start with question mark sign on gray screen

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IMac (Intel) :: Screen Goes To Normal Gray With Apple Logo And Spinner Then Goes Black

Jun 5, 2014

Upon start up my screen goes to normal gray w/apple logo and spinner then goes black. Cursor is visible and still is moveable but nothing else. I safe booted and bar came up also but then back to black screen. 

Info:
iMac, Mavericks upgrade

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IMac (Intel) :: Gray Screen With Flashing Question Mark / Prohibitory Sign And Apple Symbol

Dec 10, 2014

I'm selling my old iMac and while cleaning the hard drive it froze. I forced shut down and when I turned it back on a circle with a diagonal came up initially, followed by flashes of that, a question mark and the apple symbol. Now it won't get past the grey screen and the flashing symbols.  

Info:
iMac, Mac OS X (10.4.11)

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IMac (Intel) :: Keeps Rebooting Without Opening Up To Maverick Software

Jun 3, 2014

After I power on the imac searches for startup disk but then restarts never reaching the startup disk.

Info:
iMac, OS X Mavericks (10.9.1)

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OS X :: MacBook Screen Turns Off - Sleep Light Remained Constant

Feb 9, 2008

I was using my MacBook this evening and navigated to a webpage that wouldn't load (perhaps due to excessive load) when my screen turned off and refused to turn back on. The white "sleep" light remained constant. I shut the screen and the light started to blink after the optical drive made it's noise and then I opened the screen again. The display turned on for a few seconds turning back off and the light on the front reverted to it's constant state.

I repeated pressing keys, the mouse and closing and opening the screen a few times before holding the power button down and forcing it to shut down. It's working fine now. I am wondering what caused this sudden behaviour though and how to best stop it from happening again, if I was working on something that needed to be saved, I'd be buggered. Perhaps it's an issue Apple needs to service, but how do I reproduce the effect then?

At the time I had a few applications open:
Mail
Safari
Mercury Messenger
iTunes (not playing)
Last.fm helper app (but no songs were currently playing)

I was thinking it could possibly be related to the Last.fm app, but why would it turn my screen off and then cause it to continue to not respond/turn off? Should I be looking in the Console for a log before shutting down tonight, would that reveal something?

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Intel Mac :: Won't Turn On - Only Startup Chime With Clear Screen

May 30, 2012

My imac wont turn on. It sounds the chime but has a clear screen with a picture of a folder with a ? in it.

Info:
iMac

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Intel Mac :: Keeps Repeating Startup Chime - Screen Stays Black

May 5, 2012

The latest iMac model. When I click on the power button: I can hear the Hard disk and the DVD drive spin up. The screen stays black. The startup sounds plays half way through the first time, like its being cut off. After the first startup chime has been cut, the chime keeps playing in a loop. The computer doesn't come any further than that.

I have tried: Unplugging all peripherals, with the same result.
SMC reset: Unplug power cord and hold power button for 5 sec. PRAM reset...

It seems like the computer does not even get to boot and ignores all keyboard input. I also tried booting from the DVD drive with the installation disk. But I can't get any further than the repeating startup chimes.

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Intel Mac :: When Turn On 27" Can Hear The Hardware Moving And The Starting Chime But The Screen Stays Black.

Jun 15, 2012

additional information: 27" Intel based 64 bit 8GB ram dual boot with windows 7 I tried resetting my pram

Info:
iMac (27-inch Mid 2011), iOS 4.3.1

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Intel Mac :: Gray Screen Can't Do Anything?

May 9, 2012

I have an 2008 iMac that displays a gray screen. I cannot get rid of it. I have done a forced shut down but it wakes up when a key is depressed. I have turned off the power. It will chime but a gray screen, not a spinning wheel or anything else. I was told it might be VMWare Fusion at fault so I uninstalled the program a month or so ago. It was fine until a few days ago. Has the display panel died? If so, is this a dyi or should I pay $$$ to repair it. 

Info:
iMac, Mac OS X (10.6.1)

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IMac :: No Gray Boot Screen?

Aug 11, 2009

I have an Intel Mac Mini that I use with a Viewsonic DVI LCD. My problem is that the gray boot screen doesn't ever appear. The computer starts up, but the display doesn't come on until I unplug the monitor and plug it back into the mini, then it comes on and I see the login window. Anyone have any tips for me? I've tried the cmd-opt-p-r, and resetting it via plugging in the power while holding the power button, but to no avail.

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IMac :: Gray Screen On Boot

Mar 14, 2010

I am running Snowleopard on a 24" white imac bought in 2007. My system has been somewhat temperamental for a few weeks, crashing out on me when waking up and generating random artifacts onscreen during use. I noticed also that the hardrive recently renamed itself as "EMI Boot" when booting using the option key (although it worked fine). Now, when booting, the apple logo appears, followed by the spinning wheel and a blank gray screen. Then nothing. The same thing happens when I try to boot using a mirrored backup drive or a separate bootable drive with a different version of OSX. The imac drive will, however, launch using a MBP in terminal mode without problem. I have run Diskwarrior and fsck on the drive. No difference. I've tested the RAM using memtest in single user mode. RAM seems OK. I dont have the original installation disks, so cannot run the diagnostics.

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OS X :: IMac Boot Camp Gray Screen

Jun 18, 2009

I've googled this and looked here, and while there are many similar stories none are exactly the same as mine so I thought I'd post here. So, I was going to install the Windows 7 RC on a 2006 iMac intel Core Duo, which has a dead optical drive, so I was planning on using an external like I do for everything on this machine. After the restart to install Windows, I got a folder with a question mark, and figured that the iMac couldn't do the installation from an external drive but since it was looking for a disk got confused. I then hit the power button thinking that I'd just boot back into OS X until I found a solution, but when I hit the power again I got not even an inquisitive folder. Just a grey screen. I tried key combinations but nothing even seemed to get recognized. For example, the PRAM re-set combination did not get to a second chime, just the one chime and the grey screen. Command C did make the external drive spin (with an OS X disk in it) but nothing other then that. And Command D with the original install disk in did spin as well, but I got no further then that chime and grey screen I got every time. I don't expect miracles of course, and I want to know how to fix this. This machine is out of warrantee, and if it needs an actual hardware repair I'd rather find out what it needs and do it myself then have someone else do it. I know I can, and it is cheaper that way. And of course if there is a simple software fix I'd much prefer that.

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IMac :: Stuck On Gray Screen - Not Booting At All

Mar 29, 2010

I started up my 24" iMac today and it just got stuck on the grey screen before the apple logo appears. I reset the PRAM and I tried using the OSX disc and holding down C. I got to the disk utility and it freezes. I am stuck using my bottom of the line laptop untill I can work around this.

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IMac :: G5 Half Screen Appearing Gray

May 23, 2010

I have a G5 that developed a fault where half the screen is grey . It does this on starting up and stays this way. My eyes feel like there bleeding from hours of starring at screen and reading text to no avail. I am of limited funds so a send away for repairs is probably going to be beyond my means.

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OS X V10.5 Leopard :: IMac Won't Start Up Beyond A Gray Screen?

Jun 14, 2012

My iMac won't start up beyond a gray screen w/ spinning wheel; we had massive power outage 2 days ago during a storm

Info:
iMac, Mac OS X (10.7.4)

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Intel Mac :: Gray Screen Scroll Down And Then Ask To Restart?

Apr 15, 2012

bought a new i mac and while using had a gray screen scroll down slowly and then said I had to restart the computer it is now happening more ofter and do not know what is causing it

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Intel Mac :: Horizontal Gray Line Across Screen?

May 21, 2012

This evening, quite suddenly, a gray (or black, depending on what's on the screen) vertical line has appeared across my imac screen, about a quarter of the way up from the bottom.  Above that are some are three, much lighter lines (more like subtle variations or blocks of colour running across the screen). These appear on all windows I open.  I took a screen shot using grab and the very definite gray line doesn't appear.

Info:
imac, Mac OS X (10.6.2)

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Intel Mac :: Gray Screen Spinning Wheel

Jun 11, 2012

Gray screen spinning wheel. How do I get it to start?

Info:iMac, Mac OS X (10.6.8), Ernestine123

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IMac PPC :: Burned AVI Video Onto DVD - No Playback Only Gray Screen

Mar 29, 2012

I bought some -R DVDs. I want to burn a 700 MB .avi video onto a DVD so I can play it in my DVD player on my television. I put in -R disk, clicked on the DVD icon when it appeared on the computer screen, pasted in the video file I wanted to burn and it seemed to burn it but when I had finished, I put the DVD into my DVD player connected to television and when I clicked 'play' nothing played, there was just a grey screen.

Info:
Mac OS X (10.4.11), Apple Imac G4, SuperDrive

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Intel Mac :: Screen Turns Gray And Computer Must Be Restarted

Feb 9, 2012

While working on the computer, sometimes the screen will turn gray (from top to bottom) and a message will appear saying the computer must be restarted.So far the local Apple store has not been able to find the problem. The last solution the store tried was to replace the Airport Card, but that didn't work. Computer was purchased in December 2011.

Info:iMac (27-inch Mid 2011), Mac OS X (10.7.2)

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Intel Mac :: Does Not Reboot After Restart (Hangs On Gray Screen)

Apr 14, 2012

It hangs on a grey screen, and I have to press the power button to restart again.

Info:
3.06GHz Intel Core 2 Duo 24-inch iMac, Mac OS X (10.7.1), Phone: iPhone 4 Camera: Canon SD990

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Intel Mac :: G5 Stuck On Gray Screen With Spinning Gear

May 15, 2012

I have an iMac G5 stuck on the gray screen with spinning gear.  I woke up to it being stuck on a blue screen, then force quit and now it's stuck on gray with spinning gear.

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Intel Mac :: Slow Start Up On Macbook Pro (gray Screen)

May 24, 2012

when i start my macbook pro i get the gray screen before loading. start up is very slow.

Info:
MacBook Pro, Mac OS X (10.7.4)

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Intel Mac :: Gray Shadows In Internal Display / Screen

Jun 29, 2012

IMac mid 2011 - 512 vram - 1 tb HD - 14 gb ram - 2.7 ghz i5 - display 27" inch
Gray spots or shadows in the internal display / screen.

Info:
iMac (27-inch Mid 2011), Mac OS X (10.7.4), gray spots on the display imac2011

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OS X :: Mac Mini Won't Boot / Getting Gray Screen With The Gray Apple Logo

May 8, 2007

Unfortunately I bumped the switch on the power strip that my Mac Mini (1.42ghz G4, OS X 10.3) is plugged into while it was running. Now it won't boot up. All I get is the gray screen with the gray apple logo and the spinning wheel but no OSX.

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