OS X V10.7 Lion :: 3 Beeps When Trying To Boot From USB?
Jun 13, 2012
i wanna boot from USB but i just hear 3 beeps .. Ive done some research about the beeps and it seems like 3 beeps is a sign off something wrong with the RAM .. but the funny thing is what i can boot up normally and there is no problem, Lion starts up with no problem other than that is to slow. I used the Carbon Copy Cloner to get my Snow Leopard Install down to the USB.. Maybe something isn't right ? Â
Info:
Mac OS X (10.7.4)
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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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Feb 1, 2012
my Macbook Pro doesn't boot after updating the EFI, I just updated and restarted as it says in the description of the update and then it does not boot, making 4 short beeps and then 4 longer, I don't know what's happening. There was no problem during the update (no problem with electricity or similar)
Info:
MacBook Pro, Mac OS X (10.7.1)
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Aug 26, 2010
I bought 2x4GB modules of RAM from OWC for my 2009 27" i7 iMac. Following the video on OWC for replacing the memory, I opened the RAM tray / area at the bottom of it, and there were two RAM modules in it, one on each side (2x2GB), I moved the 2GB module on the left over to the right side, and inserted 2 4GB modules into the left tray, reattached the metal panel / strip and booted up and it beeps :/
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Apr 4, 2012
My iMac suddenly won't boot up. It stays black and simply beeps. Holding the start button shuts it down. It's about 3 1/2 yrs old, but has been well-maintained.
Info:
iMac, Mac OS X (10.7.2)
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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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Mar 25, 2012
MacBook Pro 15" (15-inch Core 2 Duo) late 2006Â this apple macbook boot lion from usb or firewire ext hdd or usb stick which of 3 better must boot Lion on ext device? or none at all?
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Apr 27, 2012
Last week I finally upgraded from 10.6 to 10.7, but now my Mac Pro (2008) won't boot properly. It'll start to boot with the gray screen and the Apple logo, but then the entire screen goes gray and it just locks up there.  However, if I reboot and hold down the Option key to bring up the list of bootable drives that works fine. I've checked my Startup Drive settings and the proper drive is selected. why it won't boot on it's own anymore? Holding down the Option key is getting old.Â
Info:
Mac Pro - Octo Core, Mac OS X (10.5.6)
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May 20, 2012
I'm using MacBook Pro 13" Late 2011 with 256gb SSD & OSX Lionafter I install boot camp + Windows 7 Professional when i restart to boot OSX it have blinking folder with question mark I've try using Option button to select drive but it have only internet recovery
Info:
MacBook
Pro, Mac OS X (10.7.4)
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Aug 26, 2010
Just replaced the logicboard on a 01' Powerbook G4 Titanium Onyx and I'm getting the no video/beeping sound after the chimes upon power up.
3 beeps
3 lights (1 long + 3 quick flashes)
I don't THINK it's the RAM though, I thought these cards were good before the computer fried. I've swapped the two 256MB cards with each other, also plugged just one RAM card in both slots one at a time--still no turn on and I get the 3 beeps. Unfortunately I don't have any extra 144-pin 133 Mhz SDRAM chips laying around or i'd just test them. It seems unlikely that both RAM cards would be broken, in addition to the logicboard frying, unless the two events happened simultaneously. Previous install had the 667 Mhz upgraded processor and when I took the logic board out it was fried on the bottom with lots of corrosion/leakage on a good 5% of the surface area. Anyways, I replaced it with a 550 Mhz board. Could the beeping be from installing the different processor or is it more likely that I simultaneously fried both RAM chips plus the motherboard?
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Nov 5, 2006
I started to notice that my Mac Pro beeps. It is every so often with no rhyme or reason. I first started to notice it when I was booted to XP, but it is also doing it in OS X. I assume it is coming out of the internal speaker.
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May 2, 2009
My Black Macbook will not boot up. Instead it rests at the gray screen and does 3 beeps. I have done research and it is supposed to indicate a RAM problem but my RAM [i believe] is fine, I even rechecked the slots and everything. This has happened before but I just rebooted and it worked fine but now it is not. I tried plugging in my Mac into different power outlets and even having it run without being plugged in but it fails to make a difference. I have scheduled a genius appointment and I know my macbook is older than a year so i'm wondering a few things: how can I get them to replace my Macbook, how can i get them to fix the problem [for free] even if my warranty has run out, if they don't replace it [which i heard they should do] what is my best option [buying a new one is outta the question for financial reasons]
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Feb 29, 2012
When i try to start my macbook pro 13" (early 2011) I get a black screen and it beeps three times. Based on internet research it appears to be a RAM problem. The closest store is 2 hours away and I don't want to send it away.Â
Info:
MacBook Pro (13-inch Early 2011), Mac OS X (10.7.3)
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Mar 12, 2012
My Macbook Pro battery had run down (it does quite a bit) so I rebooted with the power inserted.
I get a frozen screen saver which is normal, while the progress bar finds it feet back on power.
However this time, I had the frozen screen saver, and a continuous 3 beeps which I've never had before in a loop? I then re-pressed the power switch on the Macbook and it rebooted fine and seems ok.
This i7 is coming up to its first year (which I think is covered by Apple?) and I *think* this maybe a memory issue? If it is, and my Mac is covered, then by a sheer stroke of luck, I decided to get Apple to fit the 8GB memory at the time of purchase (bad I know! and I don't usually do that) BUT that would mean that Apple fitted the memory upgrade and I haven't touched anything myself.
I then booted up this morning with a full battery and the boot up took a lot longer than normal - maybe around 3 minutes on the spinning logo, and then finally booted - are these all worrying signs?
Info:
MacBook Pro i7 8GB - iPhone 4, Mac OS X (10.6.7)
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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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May 6, 2012
I am coming from a PC world and I am starting to get frustrated with this problem. I have had my Macbook Pro 15in for about a year. It is an early 2011. For the past two months I have been having the 3 beeps on start up. I have been to the genius bar about 6 times already. They have replaced my RAM twice, replaced my logic board and finally replaced my hard drive. It is STILL doing it. I don't know what else I should do. Please any more suggestions the next time I go to the genius bar?
Info:
MacBook Pro
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May 17, 2012
This has been happening more recently, and I used to be able to get it to stop by holding down D while I turned it on.
Info:
MacBook
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Jun 17, 2012
Then when I turn it off and let it rest and try to turn it back on it just gives me the three beeps and no screen
Info:MacBookPro
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Jun 2, 2014
Imac (mid 2011) beeps twic about 2 seconds apart, intermittently while running. Uitilty reprots that there are no RAM problems.
Info:
iMac (27-inch Mid 2011), OS X Mavericks (10.9.3)
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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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Jul 15, 2008
So I was on my MacBook and all of a sudden the screen gets some weird lines on it and then freezes. I turn it off and turn it back on and I get a black screen and 3 short beeps and it keeps going. Well I called apple and they said it is a hardware issue. I goggled it and found it is a memory issue (maybe).
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Apr 20, 2009
For some reason my iBook froze up, so I held the power button til it went off, then started it back up and now it just beeps 3 times and nothing, what is wrong with it?
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Apr 4, 2010
I recently acquired an eMac that was said to be working, but when I try to start it up, all I get is a beep or two, and nothing further. The machine is (I was told, I haven't been able to verify due to startup issues) OSX 10.4, 1.25 GHz. I put 256 mb RAM in, and I know that particular RAM stick works, b/c I used it successfully in my other 700 mhz eMac.
Shouldn't the machine start up without beeps once the RAM is in? I can't even get to the startup chime, so I can't do safe mode, FTM, or anything... When I push the power button, I hear the CRT firing up (but no picture displays), the fan comes on, and the white light on front comes on. After a few seconds, the machine beeps, and does nothing further... just that little white light mocking me.
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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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Feb 3, 2012
Macbook won't start and continuously beeps
Info:
MacBook
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Feb 27, 2012
I'm working on a Macbook pro 15 A1278 for a friend. They were given the computer by someone who didn't want it. My friend did not have the password to get into the machine and no original system disc. I thought this was going to be an easy case of erase-and-install. So I attempted to boot from my own Snow Leopard DVD, then I started getting three beep errors. Now I can't get as far as the password screen any more. Computer starts with normal chimes, then when it gets to the grey screen with the Apple, I get the "three beeps". Bought new ram, put it in, reseated it a bunch of times, still three beeps every time.Attempting to restart using the system DVD by holding the C key, same problem. DVD spins up but then three beeps. Fired the machine up as a target disk and ran disk utility via remote control from another machine, we''ll call that one "machine B". Hard drive checks out with no errors and is formatted in Extended Journaled. Did a clean system install from machine B (while still in target disk mode). System install was a success and was able to restart machine B successfully from the hard drive of the faulty machine.Â
Info:
MacBook Pro, Mac OS X (10.6.3)
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Mar 9, 2012
This morning, when I got into work I restarted my Late-2010 MacBook Air (128 GB HD, 1.86 GHZ Core-2 Duo, OS X 10.7.3) while holding down the "option" button as I normally do to access bootcamp and load Windows 7 because I need to use Excel Macros during the work day. Â What was unusual, however, was that it immediately started beeping loudly when I held down the option button and continued to do so without ceasing. It beeped 3 times, stopped, beeped 3 times, stopped etc. Â
The fans started running pretty quickly and I held down the power button and it finally shut down. I restarted and held down the "option" key again, booted into Windows 7 fine, and have since rebooted into OS X as well without issue. It's the first time that I've heard this beeping except when I installed a firmware update a few weeks back. I've done a bit of research and it sounds like it's indicative of a RAM issue but want to see if anyone knows for sure. I think it's strange that it did it once but hasn't again despite numerous restarts and also strange that it happened immediately upon hitting the "option" key when the screen went dark, as I always do.Â
Info:
MacBook Air, Mac OS X (10.7.3), Late 2010, 1.86 GHz Intel Core 2
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Mar 13, 2012
My computer won't start up and just beeps 3 times....
Info:
MacBook, Mac OS X (10.5.8)
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Mar 19, 2012
I bought a new MacBook Pro a few days ago, and it randomly makes this beeping sound. It's not like a problem noise and it comes from speakers. A bit something like a Skype sound, but it's not Skype...
Info:
MacBook Pro
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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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