IMac (Intel) :: 3 Beeps At Start And Still No Sign Of Life
Sep 8, 2014
I turned my iMac on (2008 model) but after 10 minutes it went black and beeped 3 times loudly, repeating at 5 second cycles. Shut it down by pressing the ON button for 5 sec. Restarted and all worked for a hour before repeating the same problem...screen and keyboard and touchpad all locked out....shut down with the ON button. On restart it gave me the 3 beeps every 5 sec with an ALL BLACK screen...no hard disk whirring, either. I don't know how to do cardiac massage on an iMac. Is it dead? Is it the processor? Is it the video card? Is it the hard disc?Â
Info:
iMac, iOS 7.1.2
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Sep 1, 2014
iMac start up... Why my imac start with question mark sign on gray screen
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Jun 16, 2012
My iMac turns on but just beeps three times stops beeps more times and won't start up
Info:
iMac
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Jul 2, 2008
I recently got an 20' 2.4 GHz Intel Core 2 Duo Imac. It came with 1 gig of Ram. I purchased 2 2Gig SODIMM chips from New Egg. The ram specs matches what the little manual says. ddr2, pc2-5300 667MHz. When I install the new chips, the mac won't start. Period. No beeps, no nothing. I can sort of hear it try to start, then quits.
When I put back the original ram chip. Works again.When I have the original ram chip AND 1 of the new chips (for a total of 3 gigs of RAM) it works.Swapped one new chip with the other (as long as the original is in) Works.Original Chip is on the right side, New is on the left. Swapped places. Works.The mac will start ONLY if the original is in place. I should be able to start it with the nes ones in but it won't. I know both works because I swapped them.Anybody have any ideas on what's going on? Is there a setting somewhere I need to change or something?
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Mar 22, 2012
I'm getting 3 beeps on start up. I have replaced the RAM with RAM I know is good and it still beeps 3 times and doesn't boot. The laptop is less than a year old. It is a Macbook Pro 13".
Info:
Macbook Pro, Mac OS X (10.6.7), We also support apple xserves.
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Sep 5, 2014
ON start up I'm only getting a three beep sound.
Am I able to fix this without a trip to the apple store?
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Feb 3, 2012
Macbook won't start and continuously beeps
Info:
MacBook
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May 30, 2012
So I unplugged my Mac Book Pro, left town for a month, it started for a bit, then screen went blue. I shut it down, and now it will not restart it makes a beep sound I've never heard!Â
Info:
MacBook Pro, iOS 5.1.1
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Jun 2, 2012
I have a brand new Macbook Pro (Christmas 2011), and today it was installing updates. It stated that it needed to restart to complete the updates, so I confirmed it. It shut down fine, but then didn't start up again on it's own. I waited for about an hour before manually starting the computer by pressing the power button. It did the opening chime and then the logo screen came up, but then it started a series of beeps along with blinking battery light (it is fully charged). It froze on the logo screen and continued to beep for a half an hour before I forced it to shut down (control+command+power button).
I tried restarting it in safe mode (holding the shift button down during startup), but it only resulted in the computer freezing on the logo screen for about five minutes before shutting itself off (no beeping or light that time, though). I went through my instruction manual as well as online searches to see if maybe I could somehow restore the computer to factory settings. I can get it to get into the Disk Utility section (holding down the option button during startup), but I'm absolutely terrified of erasing something I shouldn't.
Info:
MacBook Pro, iOS 5.1.1
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Jun 5, 2014
How do you type the £ sign on an iMac keyboard? Found an old thread suggesting Option 3. I have the new keyboard and believe the Option key is now the Alt key? Anyway, it doesn't work, I just get #.Â
Info:
iMac, iOS 7.1.1
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Jun 22, 2014
How to sign out of all the devices that have my apple id?
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Feb 11, 2009
I have a Powerbook G4 17 that I have been working on. I recently replaced the screen and verified that it worked prior to buttoning it back up. When buttoning the powerbook back up, I nicked two wires with screws. One was part of the LCD wire that comes from the LCD itself. The second was the airport wire that is wrapped around the screen. I wrapped them back up with a cover and preceeded to get using my comp again. Once finally put back together, I could not get it to turn on.
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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. Â
Info:
iMac, Mac OS X (10.4.11)
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May 30, 2012
my macbook pro froze so shut it down by holding the power button, now when i try to restart it i get a prohibited sign instead of the apple logo. any way to fix it?
Info:
MacBook Pro (15-inch 2.53 GHz)
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Apr 14, 2012
I have checked Software Update, and there was two updates. First one was Java and the other one was EFI Update 2.7. I don't remember the Java update version. After I applied the update, the MBP rebooted itself as it should do; but the problem occurred at that reboot. OSX tried to start up three times, like as it was failing to install the updates after reboot. And at the fourth time, after a few minutes the Apple logo turned into a "No Entry Sign".
And it stuck like that. Now, the MBP cannot boot normally, I can only run it on safe mode. I have reset PRAM. As far as I read about the issue over the boards, the problem occurs to be an HDD problem. Yet I can run the OSX in safe mode, which bugs me. So I downloaded SMART Utility to check the HDD. It says there is 1 Pending Bad Sector, and 1 Removed Bad Sector.
Info:
MacBook Pro, Mac OS X (10.7.3)
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Jun 17, 2014
When I start my Mac it goes to white screen with flashing apple and stop sign. It will not any further.
Info:
MacBook Pro (13-inch Early 2011), iOS 7.1.1
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Jun 5, 2014
have a early 2011 MBP running OSX Mavericks. I use my mac everyday both at home and school. This morning when I opened the mac, the screen was frozen. I simply restarted the mac, and it doesn't go beyond showing a prohibitory sign. I have tried many things..Â
1. Restarted the mac, while holding the Option key (selected Recovery HD), after waiting for nearly 10 mins, the system loaded into recovery disk ( but the twist was, in the disk utility, my SSD was not found/shown)Â
2. Then thought the SSD was dead.. So asked the IT guy to see if he can retrieve the data (removed SSD out of the mac and he used an external hard drive enclosure and the SSD was instantly recognized, saved the data). Here I did two things
   A. First, asked my friend if I could mount his SSD in my Mac and see if the system starts. Even using a different SSD, my mac still showed the prohibitory sign.
   B. Then l installed my SSD into his Mac.. System booted as normal (basically it was all there, but on his Mac)Â
3. So ruled out that my SSD was faulty. Then using the internet based Apple Hardware Test (AHT), I found no troubles with any of the mac components.Â
At this point, I don't understand what is causing my Mac not to go beyond the prohibitory sign? Could it be something as silly as the internal hard drive cable or something more complicated as the logic board? In which case, they should have been detected during the AHT?Â
Info:
MacBook Pro (13-inch Early 2011), OS X Mavericks (10.9.3)
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Mar 29, 2012
My macbook pro, upon start-up, shows the apple logo for a short amount of time then either a prohibited sign or a folder with a question mark gets shown and the computer does not start-up. I have re-installed the OS but it did not seem to work. Any ideas?
Info:
MacBookPro, Mac OS X (10.7.3)
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Jun 11, 2009
I have an Intel IMAC, which is now out of warranty as I have had it for 16 months (and I was dumb enough not to get AppleCare). A few days back, my computer would not startup and everytime I hit the power button, I would hear some spinning noise but no chime from the iMAC. Yesterday, I tried it again and this time I heard the chime but the monitor did not start. I was then able to SSH into the MAC and see that it is indeed connected to the network and booted up, but the screen is still dead. Any ideas what I should do before the painful trip to the apple store ?
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Jun 28, 2014
After connecting the imac to a new router the system hung completely up. After each input, e.g. opening preview or a browser, the coloured turning disc appeared and nothing happened anymore. Several restarts, also in safe mode, were unsuccessful. I could not switch to another user. Restart is only possible at all from installation disc but thereafter problem remains the same.
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Feb 5, 2010
my 2006 macbook has not been able to start. First it didn't even have the chime, then I read through some threads in this forum and figured out that one of my RAMs was not properly put in. I fixed that, now I get the chime, the apple sign, and a spinning wheel and I am stuck there forever.
I tried:
resetting PRAM, didn't help.
start from safe boot, still stuck with apple sign and spinning wheel.
boot from installation CD by holding either the "C" or "D" key, it would not start from the CD.
Curiously, I can start it in Windows and I am using Windows right now. Some threads said that it could be a hard drive problem, but if I am using Windows, does it mean that my hard drive is fine?
I've already spent 800+ fixing the logic board in 2008 b/c of a water spill and really don't want to spend any meaningful amount of money to fix this 1000 bucks or so laptop. If any hardware is in jeopardy, I'd rather just throw it away. However, I would like to at least be able to start it in Mac OS once so that I can back up my documents.
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Jun 25, 2014
I've been trying to partition my drives and install Windows on my late 2012 imac. I last adjusted my partitions using disk utility and now receive the prohibitory sign on start-up and cannot boot up in safe mode; pram reset; type commands in single user mode. Running on Mavericks OS.
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Jan 4, 2010
Yes I plugged in the block heater.....
Tried to reset the SMC (apple's only advice)
Tried to kick it into boot menu... no luck
managed to boot to Leopard install disk. backed into Disk Utility.... Verify System Disk produces: "Invalid B-tree node size...Disk Verify / Repair fail".
too bad too sad... no more information.
I don't know enough to know whether this is a SW failure or a drive failure, and my searches has led me here.
Also, my very first post in a forum, I read the rules and I hope I have found the right forum for this query.
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Dec 4, 2010
I was working on this machine 3 hours back. Thereafter I put the machine on standby mode. Now when i try to start the laptop, the icon for password does not appear. Instead a mouse curser sign and a circle [like freezing] appears on the screen.
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Oct 18, 2009
Last night I got a MSG on the screen indicating that I needed to restart. Now my Mac won't boot, I get two beeps before. It gets to the Apple logo. I tried booting from the OSX disk, same results.
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May 26, 2009
I have an imac with OSX. Just tried to turn it on and screen is blank and getting 3 beeps.
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Mar 26, 2012
I just had my iMac hard drive replaced due to some corruption found on it. I had it into the genius bar because of this same issue - beeping three beeps and then locking up requiring a manual shut down. Just got it back this week. Happened again after about 6 days.Running presentation software my system was purchased optimally to run.
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May 2, 2012
my computer froze up and i restarted when it powered up all i got was a white screen and beeps
Info:
iMac
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May 12, 2012
i tried turning on my iMac an hour ago and it whirred up with a black screen while beeping continuously, each beep an equal distance apart. I tried counting the beeps a few times and they don't seem to stop (I counted up to about 30 before i decided to stop, they kept going!)
I've read a few forum posts, and other things related on the internet, but no-one has a problem with continuous beeping. I don't know how to open up my mac book and replace RAM, or anything of the sorts.
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Dec 19, 2009
I hear 3 beeping sounds when i start my mac OS X. It just shows a blank light blue screen. I have not updated it in a long time. I have a Imac "20" inch
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