My 27" imac doesn't accept sleep mode it goes dark and 10 seconds later the screen is alive again., My 27" imac doesn't accept sleep mode it goes dark and 10 seconds later the screen is alive again.

I put my 27" imac to sleep and it does for about 5-7 seconds and the screen is awake again. I have tried shutting down every application and still does the same, can anyone help? Is to complicated to carry the unit to my nearest apple store, but I'll do it if there is no other choice.
Thank you

Do you have another computer (such as a MacBook Pro) sharing a wireless connection? With Sharing preferences activated that could be the "wake up call".

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IMac taking ten minutes to start up and sits at a blue screen for the most of the time. Also, when it goes into sleep mode I am unable to wake it up from it.

For the past few days now whenever I go to turn on my iMac it takes roughly ten or more minutes to boot up. For the portion of this time it sits on a blank blue screen. At first it comes up to a plain white screen which after about 30 seconds has the apple logo on it and the spinning circle for about a minute then to the blue screen, every time. Then, to top it off right when this started happening another problem began occurring. The computer is set to go into sleep mode after 15 minutes of no use. But, if it is in sleep mode for too long I am unable to get it out and I have to restart the entire computer, but if it is just for a few seconds into sleep or a minute I am able to get the screen to come back. I can still here the fan running and such so I don't know what is going on. I have searched through discussion after discussion. I have tried: repairing disks, repairing permissions, starting up in safe mode, and such. There has been no luck so far. I was wondering if anyone could offer insight into fixing at least one of these problems since my schooling relies on the computer.
By the way I this is an iMac 10.6.4 refurbished which we just bought about two weeks ago.
Thanks for any suggestions!

My iMac i7 quad was having the same symptoms with the blue screen and long startup times a couple of months ago. Apple Care told me to bring it in to the local Apple Store, and after some diagnostics, the hard drive required replacing. It took one day to replace the hard drive and my iMac is running great. I only had the iMac for about 12 months when the drive needed to be replaced. Not sure if that is your Mac's problem, but it was for mine.

My Ipad (4?) screen went black but I can hear it. I tried hitting both the sstart button and sleep button for 10 seconds and the apple icon comes up, my screen saver shows for 1 second and it returns to black screen again. I can hear SIRI. How do I fix?

I had been using the IPAD and all of a sudden it started talking back to me and when swiping apps to close them they would not close. She (the IPAD) kept talking back to me such as "use three fingers" etc. Then the screen went blank and if I touched it I could get it to beep at various touch points. SIRI would also communicate, but the screen stayed black.
As was suggested here, I tried getting a reboot by holding the sleep key with the home key and after 10 seconds the apple logo shows and 5 seconds later my screen saver comes on for just one second, and then it goes back to a black screen. SIRI tells me shes not available and someone else, must be her sister, says things like 90%, 85%, 80% if I continually swipe the screen. Can anyone help me?

Hello, Juniorjr2.
Thank you for visiting Apple Support Communities.
This sounds like screen curtain may be enabled. Screen curtain is a feature that allows display privacy. To disable screen curtain while VoiceOver is enabled, you can three finger triple tap the screen to disable this feature. You may need to press the home button once in order to process these steps. If you wish to disable VoiceOver, see the link in the article below.
iOS: Configuring accessibility features
http://support.apple.com/kb/HT5018
If the issue persists, try reaching out to us here.
Cheers,
Jason H.

My iPad screen has gone black. I have tried resetting it with the sleep and home buttons and it only flashes the apple on the screen for a nano second and then it goes black again. I can even hear notifications arriving, but I cannot see anything...

My iPad screen has gone black. I have tried resetting it with the sleep and home buttons and it only flashes the apple on the screen for a nano second and then it goes black again. I can even hear notifications arriving, but I cannot see anything...I'd rather not reset it to the factory settings as I have a lot of things I worry about using. Either way seems to me that the system itself is working since I can hear it working, but its the screen that isn't. It has not been dropped and has been in a case for years! Please help!

When the power is on and I press the home button, I can slide my finger where the slider bar "would be" and it makes the noise as if its "opening" flashes a blue screen then returns black...

TS1367 Hallo,I have an IMAC 21.5. which does not start.When i press the power button i hear only beep with an interval of 4-5 seconds.Some times when i take off the RAMS and put them again then get a white screen and shows that i have to insert a bootable

Hallo ,I have an IMAC 21.5. which does not start.When i press the power button i hear only beep with an interval of 4-5 seconds.Some times when i take off the RAMS and put them again then get a white screen and shows that i have to insert a bootable device.Then i bought OSX mountainlion on line and wrote it on a DVD and tried with a USB key board to start the DVD.But does not work.Please help me to get this imac work.
Thankyou in advance for your help.
Terrence

Hey terremo,
Thanks for the question. From the information you provided, it sounds like the iMac is successfully turning on, however video is not displayed. These symptoms can usually be isolated further by the troubleshooting steps in this article:
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/HT1573
Thanks,
Matt M.

IMac 27 "screen out of control, I am experiencing the transition to sleep mode.

The following general specifications of the devices have experienced periodic shortages is this.
27-inch, Late 2009
CPU 2,66 GHz Intel Core i5
RAM 8 GB 1067 MHz DDR3
Graphic Card ATI Radeon HD 4850 512 MB
Serial Number xxxxxxxxxxx
OS X 10.8.5 (12F45)
iMac Display:
Screen: LCD
Res.: 2560 x 1440
Pixel: 32 Bit Colurs
Main Screen: Evet
Online: Evet
Inline: Evet
DisplayPort
PROBLEM
* Routine operation of the device , the screen goes into sleep mode at a time .
* Hard Drive is studying .
* But the screen shuts off completely which does not allow for inaction .
* Therefore, computer harddisk along with the device by pressing the release button 'm having to sleep mode .
* I wake again by pressing the release button .
* The screen is now out of control appropriate to the mode you have to repeat this process every time I'm staying.
I do the following
* System Preferences / Energy Saving / screen to sleep (never )
PROBLEM WAS soln ?
* No
IN ADDITION
* I'm dealing with advertising design business .
* Illustrator, Photoshop, I'm working with software such as performance needs .
* I live my productivity as well as routine problems and flat affect my work on the property .
FINALLY
* Approximately 2 months ago the device's graphics card is renewed.
* Was upgraded with a new video card .
* Graphics card has been replaced after 1 month I faced this problem .
Does the problem is hardware or software- m I have no idea about .
Your ideas and comments are important to me .
Thank you.

Using ten foot pole...
Sounds like you need to take it back to whomever serviced it 2 months ago and have them honor the warranty on there repair work.

I have zero out all data on my imac, as i brought it second hand and the disk the guy supplied dont seem capatable with my imac to install the operating system again so it is frozen at the grey start up screen. show i buy a new snow leopard disc fromapple

i have zero out all data on my imac, as i brought it second hand and the disk the guy supplied dont seem capatable with my imac to install the operating system again so it is frozen at the grey start up screen. should i buy a new snow leopard disc from apple and install that as my new operating system. please help as had the computer a month now and still cant use it yet.

You can call AppleCare and request a replacement set of the original DVD's that shipped with the computer for a nominal charge. You will need the serial number (look on the bottom of the stand) and a credit card. Click the AppleCare Contact Info link. Without knowing which iMac you have it's very difficult to say if a new SL disc would work or not.

My iPod nano will go into the sleep mode while a song is playing a second after the screen goes blank; the song will stop and I will then have to press the sleep/awake button to pick up where the song left off. How do I fix this?

My iPod nano will go into the sleep mode while a song is playing a second after the screen goes blank; the song will stop and I will then have to press the sleep/awake button to pick up where the song left off. How do I fix this?

Your problem is that your iPod is not sensing that your headset is inserted. There is a pin inside the headphone port on the Nano that senses if it is inserted fully. If it does not sense anything, it will pause playback to save battery power when the screen dims. Here are the solutions:
Insert it fully. This will fix it for most of you. Press that thing in there all the way. You should feel and hear a full click when it is fully seated. If you can see ANY silver of the headset jack, it is not fully inserted.
Debris inside the headset port. If you are totally unable to push the headset jack all the way, the most likely problem is that you have crud inside your headphone jack. Try blowing it out or slapping it against your palm with the headset port facing your palm to try and get the stuff out. If you look into he jack with a light, you should be able to see to the bottom. The entire inside of the headset port is white, so if it looks dark at the bottom, that is the crud that is keeping your nano from working.
Headset jack or plug issue. If you cannot solve the problem with 1 or 2, then there is likely something physically wrong with either the headset jack on your headphones or the headset port on the nano.
If none of the above works, you need to take it to the Apple store or wherever you purchased it. I think they are still under warranty.
i

When my IMac awakes from sleep mode, the password login screen freezes and no cursor appears.

Hello! When my IMac awakens from sleep mode, my log in screen is frozen (I can't type anything) and there is no cursor.
I can turn the computer off and on again and then I have an active log in screen, but if I walk away from the computer and it goes into sleep mode and i have the same problem trying to bring it back from sleep mode.
Thoughts?

Hey Kristogirl,
I understand that when waking from sleep mode, your iMac freezes. Try executing these two troubleshooting steps:
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/HT3964
OS X Mountain Lion: Reset your computer’s PRAM
http://support.apple.com/kb/PH11243
If neither of those help the issue, I would follow the steps in the next article, specifically the "If the issue occurs in various applications, or in Mac OS X" section:
Mac OS X: How to troubleshoot a software issue
http://support.apple.com/kb/HT1199
Welcome to Apple Support Communities!
Best,
Delgadoh

HT201263 my ipad 2 wont turn on. I have it plugged into charger and when I hold the sleep/wake button, the battery image appears for 1 second, then the screen is blank. How do I get it working again?

My ipad 2 is wont turn on. I held the sleep/wake button down for 15 seconds and the battery image shows up for a second then the screen goes blank. Help!

What to Do When Your iPad Won't Turn On
http://ipad.about.com/od/iPad_Troubleshooting/ss/What-To-Do-When-Your-Ipad-Wo-No t-Turn-On.htm
iOS: Not responding or does not turn on
http://support.apple.com/kb/TS3281
iPad Frozen? How to Force Quit an App, Reset or Restart Your iPad
http://ipadacademy.com/2010/11/ipad-frozen-how-to-force-quit-an-app-reset-or-res tart-your-ipad
iPad: Basic troubleshooting
http://support.apple.com/kb/TS3274
 Cheers, Tom

Today, when using the full screen mode, when I switch out of it, its automatically returning to full screen mode one second later. And ideas?

Lightroom is acting up today. If I enter the fullscreen mode to view images, when I try to exit out of it back to the library or develop mode, after one second its returning back to the full screen mode. The only way to exit is to command Q. Any ideas?

Found this on another thread. Havent tried it yet, but am about to.
4. Re: lightroom 5.4 gets stuck in full screen preview?
mohammedabidally Jun 1, 2014 10:53 PM (in response to freophotos)
Hi ye I followed the procedure given here https://forums.adobe.com/inbox?objectType=2&objectID=6355272 and it worked for me.
You need to do it with the cursor.....
"restarted Lightroom then using the menu with cursor only (NOT THE F KEY) I went to window …. Screen mode….. and tried the various modes.. Screen Mode with Menu…..Full Screen…. then the Full Screen Preview (this is was my issue) Once in Full Screen Preview I got out of it using the escape key which worked…. Then I hit the F-Key which again took it into Full Screen Preview then I tried the F-key to get out and it worked!!….. "

Can anyone tell me why my iphone ios5 keeps turning off in sleep mode. i will lock the screen then go to use my phone a while later and the apple logo appears

my iphone ios5 keeps turning off after i lock my screen.( not asking me to turn off phone) when i go to use my phone again the apple logo appears and my phone seems to be starting up again, how do i stop this from happening?

The terms of service of the Apple Support Communities prevent us from helping anyone with a jailbroken phone.
You're on your own. Good luck.

What is the most efficient way to use my 2006ish iMac as a second screen for my MacBook pro?

Hello.
My line of work really requires the use of two screens, and I have a macbook pro from 2010 and a white iMac from 2006, I believe. My editing software lives on my laptop, so I'd like to use my iMac as the second display. I can't seem to find any male mini dvi to male mini displayport cables online, so I have a feeling they don't exist. Should I just get a mini dvi (male) to dvi (female) for the iMac and a (male) dvi to (male) mini displayport for the laptop? Is this going to cause latency if I'm running videos? Help please!

Your iMac (from 2006) does not support Target Display Mode, that functionality only became available in Late 2009 with MiniDisplay Port. Even if you were to find a male-to-male cable the iMac isn't going to accept the video from the MacBook Pro in a method you're hoping to achieve (extended desktop mode). I've use ScreenRecycler and the lag is barely noticeable, I think even calling it "lag" is overkill.
If you need a second monitor for work that is apparently an important accessory, why are they not supplying with a second monitor? Even if you were to find a valid connection solution, it's response time would still be slower than a direct link from the MacBook Pro.

How can I get my iMac to be the primary screen again?

Hi everyone!!
A couple days ago I was watching a movie on my tv, which is my ''external monitor" for my iMac. I used VLC and it was full screen on my tv, I never had any problems with it. After the movie ended, I couldn't get my iMac screen to work. I restarted, and it flashes a white screen and it does make the apple startup sound. Also everything seems to be working just fine. When I hook it up to my TV, I can use my tv as the ''main monitor" but my iMacs screen remains black. (I have it in mirroring mode now) When I restart by pressing the on and off switch, I do get a flash of my current screen, but it fades to black quite soon after. Even if I wake my iMac up, it shows me the log in screen for about half a secodn and also fades to black. So it's not the screen itself that has any issues.
I think I accidentally clicked something in the display settings, but I have no idea how I can get my iMacs screen to work again. Does anybody know how to get my iMac back to functioning as a primary monitor? When I unplug the thunderbolt cable, it doesn't switch back either.
I already tried dragging the apple top bar from one screen to another, but it doesn't work. When I reset the PRAM, it does restart, but right after I hear the second chime the screen still remains black and it boots like it did before, still no functioning iMac screen.
Thanks in advance!

The screen is all black, so it's not the backlight. It's weird because when I get the computer off of sleep mode, it shows the log in screen really quickly. So my LCD isn't broken either. It just switches back to the wrong resolution I guess. Which makes the screen black again.

Short flickering when the notebook wakes up from sleep mode MacBook Pro Late 2013

Hello everyone!
I have a question concerning the display of my new MacBook Pro with retina display (late 2013).
Sometimes when opening the lid when the notebook wakes up from sleep mode, the display is flickering for like two seconds. Then everything is normal again.
This specially occurs when the lid has been closed for a longer time. It makes no difference if the power adapter is plugged in or not.
Have you experienced a similar flickering with your MacBook Pro?
Thank you in advance!

Hello!
I have the same problem with my late 2012 MacBook Pro Retina. The constant flickering after being awoken from sleep was a minor annoyance for me so I contacted Apple Support.
I shall explain what I have done thus far, and I recommend you follow the same steps as I did to tick off possible causes:
Firstly, I reset my PRAM (http://support.apple.com/kb/ph14222) and SMC (ttp://support.apple.com/kb/ht3964).
The issue still remained so I checked if the flickering occurred in a new user (if it does not then it points to your account having a setting which is causing the flickering - possibly third party). For me the flickering continued so I tested it in Safe Boot (which worked fine!).
I then ran (just to be certain) the Apple Hardware Test (http://support.apple.com/kb/ht1509). All seemed to be OK. So I reinstalled OS X and still the issue remained.
It was then I had an Apple Support person 'screen share' with me and we went through certain folders. My GPU folder had an unusual amount of files so we trashed them and began a restart however this led to a bigger problem; my notebook wouldn't boot (not even in Safe Boot!), so be very weary at this stage, I'm not sure if this was a rare case or we deleted something we shouldn't have. I then had to go into recovery mode to get back to square one.
Back to the initial problem I reinstalled a 'clean' OS X version from recovery mode; this was to determine whether if the data is corrupted on my account or if it's something else; most likely hardware by now even if there was nothing that came up in the hardware test (it won't account for everything). I checked from both a backup of my data and then from a fresh user after reinstalling OS X and still the flickering continued.
It was then a Senior Apple Support person set up an appointment to have my MacBook looked at and possibly repaired (it could be a minor wire causing the problem).
That is the point I am at now, so for my case it seems like a minor hardware problem. If your case is as similar as mine I recommend making an appointment with them to run more sophisticated hardware tests that your own MacBook would not run.
I will comment again when my issue is completely resolved for those who come across this Discussion in the future.
Hope this helps!

My 27" imac doesn't accept sleep mode it goes dark and 10 seconds later the screen is alive again., My 27" imac doesn't accept sleep mode it goes dark and 10 seconds later the screen is alive again.

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