My 2011 15" Macbook Pro occasionally freezes and beeps loudly in groups of three. What is causing this?

This problem typically occured when I was doing something particularly strenuous, but I just recently had it happen while browsing the internet. The computer will suddenly freeze and start beeping loudly in groups of three with an LED on the front flashing in sync with the sound. I am running Snow leopar if that has any bearing on this problem. What exactly is causing this?

I did a few things to correct the problem First opened up my unit and cleaned it out really good and cleaned all the dirt and dust out Second I removed all the ram and cleaned all the ram connector and ram connection points on the board Reinstall OS like a new system scratch and restored my applications Zapped SMC and pram And I'm running smoothly ever sice
At one single problem at all One more thing I got a laptop cooler and I run full-time now when using my system. I spoke to a techie and told me all MacBook Pros run very hot. It seems to run a lot better with the cooling fans going.
not a single problem ever since. Make sure you have the latest ML to, Some fixes to memory controller were added.

Similar Messages

My macbook pro keeps freezing and beeping!! what do I do?!

I have a MacbookPro 13" and it keepsfreezing and it beeps 3 times. I went to my local Apple Store and they said itmight be the RAM. But when they returned it to me it kept doing the same thing . Couldit be that my battery is bad and I need to replace it ??

Highly unlikely that this would be a battery problem.
Take it back to the store - I hope it is not too far - and tell them that whatever they did, did not resolve the issue. Calm, cool, collected demeanor is your friend here. Best thing is that any physical repair done by the store comes with it's own 90 day warranty, so if you paid for it once, you should not have to pay for it again.
Best of luck.

My MacBook Pro keeps freezing and has become very slow...can anyone help???

Please can anyone help.....this past month my MacBook Pro keeps freezing and showing the beach ball....its also become very slow.
I still have lots of memory.
But this message is showing when i go to applications- utilities and console...
27/01/2013 22:41:39
kernel
disk0s2: I/O error.
does anyone know what this means and how can I fix it?
It seems to freeze more when I use the finger pad to move the mouse?
Its becoming very annoying especially when I'm trying to watch a programme on bbc iplayer.
Many Thanks

Your hard disk is failing and requires replacement. Replacement is not terribly expensive and can be performed by someone sufficiently adept with computer repair. If that's not you, an Apple Store can perform the replacement.
Back up your data ASAP.

Why does my macbook pro keep freezing and rainbow disk appears?, Why does my macbook pro keep freezing and rainbow disk appears?

My macbook pro keeps freezing and I get a rainbow disk circling. I have to hold the power down and turn off, it will not do anything else.

Can you tell us how much RAM (Memory) you have? It's listed by clicking on the  in your title bar....go to About This Mac and it's in the 1st window.
We would also like to know what size hard drive you have and how much free space is on it.
If you click on your Hard drive icon (should be upper right hand corner of your screen), or the Finder in your Dock...when the window opens it says at the bottom how much Free Space you have on your drive.
If you go to the , click on About This Mac, click on More Info... in that window. The next window says how big your hard drive is under Hardware....click on Serial-ATA.....look under Capacity:
We need to know this cause if a hard drive is too full it slows things down and creates operational difficulties.
DALE

MacBook was restarting on its own and now is not powering up. What could cause this and how to troubleshoot?

MacBook was restarting on its own and now is not powering up. What could cause this and how to troubleshoot?

When did it happen? After updating/upgrading? or just randomly?
You can try to perform a SMC reset and resetting the PRAM:
SMC Reset -> http://support.apple.com/kb/HT3964
PRAM/NVRAM -> http://support.apple.com/kb/ht1379

When I play itunes from my laptop which uses a Y-cord plugged into a sound board, the songs fade in and out, softer/louder ...anyone know what would cause this? I have bought new cords, speaker cords, speakers...and the laptop is only 1 year old...

when I play itunes from my laptop which uses a Y-cord plugged into a sound board, the songs fade in and out, softer/louder ...anyone know what would cause this? I have bought new cords, speaker cords, speakers...and the laptop is only 1 year old...

when I play itunes from my laptop which uses a Y-cord plugged into a sound board, the songs fade in and out, softer/louder ...anyone know what would cause this? I have bought new cords, speaker cords, speakers...and the laptop is only 1 year old...

I have an iMac and under devices in the sidebar that name has changed from iMac to iMac(1) to iMac(2)...and is now at iMac(9). What is causing this and how do I correct it?

I have an iMac and under devices in the sidebar that name has changed from iMac to iMac(1) to iMac(2)...and is now at iMac(9). What is causing this and how do I correct it?

Sometimes this message means that you have two simultaneous connections to the same local network: probably Ethernet and Wi-Fi. If applicable, disconnect the Ethernet cable or turn off Wi-Fi.
Sometimes it happens because a device that gets its network address from the router wakes from sleep, and the address it was using before has been assigned to another device.
A third-party wireless router that has incompatible settings or firmware may be the cause. In that case, refer to the manufacturer or ISP for support. Restarting the router may help, temporarily.
Rename the computer in the Sharing preference pane.

My iphone 4 automatically shuts down , twice it has happened though it starts by holding the home screen and sleep button for 10 seconds but what exactly causes this problem? some defect in my set?

My iphone 4 automatically shuts down , twice it has happened though it starts by holding the home screen and sleep button for 10 seconds but what exactly causes this problem? some defect in my set?

do you hold the home and sleep button?

My MacBook Pro is freezing and then restarts. Kernal Log showing I/O errors

My MacBook Pro is freezing up and then restarts. It started happening about 2 weeks ago. After several attempts to resolve it, I did a clean install of snow leopard. And then did a SW Update. I have no thrid party devices, ram, or HD. My machine is 2 GHz Intel Core Duo. 2GB 667 MHz DDR2 SDRAM.
My Kernel log is showing a bunch of I/O errors.   I think I have a sick baby. Any thoughts
kernel.log:
Description:    Kernel log
Size:    191 KB
Last Modified:    4/18/11 11:44 PM
Location:    /var/log/kernel.log
Recent Contents:    ...
Apr 18 19:43:50 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:43:50 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 19:44:40 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:44:40 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 19:45:32 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:45:32 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 19:46:26 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:46:26 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 19:47:20 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:47:20 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 19:47:36 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:48:16 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:48:46: --- last message repeated 1 time ---
Apr 18 19:49:14 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:49:14 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 19:49:29 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:50:10: --- last message repeated 1 time ---
Apr 18 19:50:10 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:50:40: --- last message repeated 1 time ---
Apr 18 19:51:39 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:51:39 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 19:51:54 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:52:24: --- last message repeated 1 time ---
Apr 18 19:52:35 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:53:05: --- last message repeated 1 time ---
Apr 18 19:54:05 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:54:05 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 19:54:20 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:54:50: --- last message repeated 1 time ---
Apr 18 19:55:01 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:55:31: --- last message repeated 1 time ---
Apr 18 19:55:45 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:56:45 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:56:45 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 19:57:00 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:57:30: --- last message repeated 1 time ---
Apr 18 19:57:41 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:58:11: --- last message repeated 1 time ---
Apr 18 19:58:25 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:59:25 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 19:59:25 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 19:59:40 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:00:10: --- last message repeated 1 time ---
Apr 18 20:00:21 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:00:51: --- last message repeated 1 time ---
Apr 18 20:01:04 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:02:02 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:02:02 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 20:02:17 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:02:47: --- last message repeated 1 time ---
Apr 18 20:02:58 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:03:28: --- last message repeated 1 time ---
Apr 18 20:03:42 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:04:40 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:04:40 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 20:04:55 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:05:25: --- last message repeated 1 time ---
Apr 18 20:05:36 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:06:06: --- last message repeated 1 time ---
Apr 18 20:06:20 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:07:15 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:07:15 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 20:07:30 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:08:00: --- last message repeated 1 time ---
Apr 18 20:08:11 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:08:41: --- last message repeated 1 time ---
Apr 18 20:08:55 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:09:50 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:09:50 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 20:10:05 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:10:35: --- last message repeated 1 time ---
Apr 18 20:10:46 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:11:16: --- last message repeated 1 time ---
Apr 18 20:11:29 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:12:25 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:12:25 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 20:12:40 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:13:10: --- last message repeated 1 time ---
Apr 18 20:13:21 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:13:51: --- last message repeated 1 time ---
Apr 18 20:14:04 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:14:34: --- last message repeated 1 time ---
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Apr 18 20:16:09 julia-lowes-computer kernel[0]: disk0s2: I/O error.
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Apr 18 20:17:33 julia-lowes-computer kernel[0]: disk0s2: I/O error.
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Apr 18 20:18:14 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:18:44: --- last message repeated 1 time ---
Apr 18 20:18:56 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:19:26: --- last message repeated 1 time ---
Apr 18 20:19:39 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:20:09: --- last message repeated 1 time ---
Apr 18 20:20:20 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:20:50: --- last message repeated 1 time ---
Apr 18 20:21:02 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:21:32: --- last message repeated 1 time ---
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Apr 18 20:23:07 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 20:23:37: --- last message repeated 1 time ---
Apr 18 20:23:49 julia-lowes-computer kernel[0]: disk0s2: I/O error.
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Apr 18 20:25:12 julia-lowes-computer kernel[0]: disk0s2: I/O error.
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Apr 18 20:28:00 julia-lowes-computer kernel[0]: disk0s2: I/O error.
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Apr 18 20:28:41 julia-lowes-computer kernel[0]: disk0s2: I/O error.
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Apr 18 20:32:11 julia-lowes-computer kernel[0]: disk0s2: I/O error.
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Apr 18 20:32:52 julia-lowes-computer kernel[0]: disk0s2: I/O error.
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Apr 18 20:34:16 julia-lowes-computer kernel[0]: disk0s2: I/O error.
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Apr 18 20:35:39 julia-lowes-computer kernel[0]: disk0s2: I/O error.
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Apr 18 21:17:14 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:17:44: --- last message repeated 1 time ---
Apr 18 21:17:56 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:18:26: --- last message repeated 1 time ---
Apr 18 21:18:39 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:19:09: --- last message repeated 1 time ---
Apr 18 21:19:21 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:19:51: --- last message repeated 1 time ---
Apr 18 21:20:03 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:20:33: --- last message repeated 1 time ---
Apr 18 21:20:47 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:21:17: --- last message repeated 1 time ---
Apr 18 21:21:29 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:21:59: --- last message repeated 1 time ---
Apr 18 21:22:11 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:22:41: --- last message repeated 1 time ---
Apr 18 21:22:54 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:23:24: --- last message repeated 1 time ---
Apr 18 21:23:37 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:24:07: --- last message repeated 1 time ---
Apr 18 21:24:18 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:24:48: --- last message repeated 1 time ---
Apr 18 21:25:02 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:25:32: --- last message repeated 1 time ---
Apr 18 21:25:45 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:26:15: --- last message repeated 1 time ---
Apr 18 21:26:26 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:26:56: --- last message repeated 1 time ---
Apr 18 21:27:10 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:27:40: --- last message repeated 1 time ---
Apr 18 21:27:52 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:28:22: --- last message repeated 1 time ---
Apr 18 21:28:34 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:29:04: --- last message repeated 1 time ---
Apr 18 21:29:18 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:29:48: --- last message repeated 1 time ---
Apr 18 21:30:00 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:30:30: --- last message repeated 1 time ---
Apr 18 21:30:42 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:31:12: --- last message repeated 1 time ---
Apr 18 21:31:25 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:31:55: --- last message repeated 1 time ---
Apr 18 21:32:07 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:32:37: --- last message repeated 1 time ---
Apr 18 21:32:49 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:33:19: --- last message repeated 1 time ---
Apr 18 21:33:33 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:34:03: --- last message repeated 1 time ---
Apr 18 21:34:15 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:34:45: --- last message repeated 1 time ---
Apr 18 21:34:57 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:35:27: --- last message repeated 1 time ---
Apr 18 21:35:41 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:36:11: --- last message repeated 1 time ---
Apr 18 21:36:23 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:36:53: --- last message repeated 1 time ---
Apr 18 21:37:05 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:37:35: --- last message repeated 1 time ---
Apr 18 21:37:48 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:38:18: --- last message repeated 1 time ---
Apr 18 21:38:31 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:39:01: --- last message repeated 1 time ---
Apr 18 21:39:12 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:39:43: --- last message repeated 1 time ---
Apr 18 21:39:56 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:40:26: --- last message repeated 1 time ---
Apr 18 21:40:38 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:41:08: --- last message repeated 1 time ---
Apr 18 21:41:20 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:41:50: --- last message repeated 1 time ---
Apr 18 21:42:04 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:42:34: --- last message repeated 1 time ---
Apr 18 21:42:46 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:43:16: --- last message repeated 1 time ---
Apr 18 21:43:27 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:43:57: --- last message repeated 1 time ---
Apr 18 21:44:11 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:44:41: --- last message repeated 1 time ---
Apr 18 21:44:53 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:45:23: --- last message repeated 1 time ---
Apr 18 21:45:35 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:46:05: --- last message repeated 1 time ---
Apr 18 21:46:19 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:46:49: --- last message repeated 1 time ---
Apr 18 21:47:01 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:47:31: --- last message repeated 1 time ---
Apr 18 21:47:43 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:48:13: --- last message repeated 1 time ---
Apr 18 21:48:27 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:48:57: --- last message repeated 1 time ---
Apr 18 21:49:09 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:49:39: --- last message repeated 1 time ---
Apr 18 21:49:51 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:50:21: --- last message repeated 1 time ---
Apr 18 21:50:35 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:51:05: --- last message repeated 1 time ---
Apr 18 21:51:17 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:51:47: --- last message repeated 1 time ---
Apr 18 21:51:59 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:52:29: --- last message repeated 1 time ---
Apr 18 21:52:43 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:53:13: --- last message repeated 1 time ---
Apr 18 21:53:25 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:53:55: --- last message repeated 1 time ---
Apr 18 21:54:07 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:54:37: --- last message repeated 1 time ---
Apr 18 21:54:50 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:55:20: --- last message repeated 1 time ---
Apr 18 21:55:33 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:56:03: --- last message repeated 1 time ---
Apr 18 21:56:15 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:56:45: --- last message repeated 1 time ---
Apr 18 21:56:59 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:57:29: --- last message repeated 1 time ---
Apr 18 21:57:42 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:58:12: --- last message repeated 1 time ---
Apr 18 21:58:24 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:58:54: --- last message repeated 1 time ---
Apr 18 21:59:08 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 21:59:38: --- last message repeated 1 time ---
Apr 18 21:59:51 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:16:35 localhost kernel[0]: npvhash=4095
Apr 18 23:16:35 localhost kernel[0]: PAE enabled
Apr 18 23:16:35 localhost kernel[0]: Darwin Kernel Version 10.7.0: Sat Jan 29 15:17:16 PST 2011; root:xnu-1504.9.37~1/RELEASE_I386
Apr 18 23:16:35 localhost kernel[0]: vm_page_bootstrap: 508834 free pages and 15454 wired pages
Apr 18 23:16:35 localhost kernel[0]: standard timeslicing quantum is 10000 us
Apr 18 23:16:35 localhost kernel[0]: mig_table_max_displ = 73
Apr 18 23:16:35 localhost kernel[0]: AppleACPICPU: ProcessorId=0 LocalApicId=0 Enabled
Apr 18 23:16:35 localhost kernel[0]: AppleACPICPU: ProcessorId=1 LocalApicId=1 Enabled
Apr 18 23:16:35 localhost kernel[0]: calling mpo_policy_init for TMSafetyNet
Apr 18 23:16:35 localhost kernel[0]: Security policy loaded: Safety net for Time Machine (TMSafetyNet)
Apr 18 23:16:35 localhost kernel[0]: calling mpo_policy_init for Quarantine
Apr 18 23:16:35 localhost kernel[0]: Security policy loaded: Quarantine policy (Quarantine)
Apr 18 23:16:35 localhost kernel[0]: calling mpo_policy_init for Sandbox
Apr 18 23:16:35 localhost kernel[0]: Security policy loaded: Seatbelt sandbox policy (Sandbox)
Apr 18 23:16:35 localhost kernel[0]: Copyright (c) 1982, 1986, 1989, 1991, 1993
Apr 18 23:16:35 localhost kernel[0]: The Regents of the University of California. All rights reserved.
Apr 18 23:16:35 localhost kernel[0]: MAC Framework successfully initialized
Apr 18 23:16:35 localhost kernel[0]: using 10485 buffer headers and 4096 cluster IO buffer headers
Apr 18 23:16:35 localhost kernel[0]: IOAPIC: Version 0x20 Vectors 64:87
Apr 18 23:16:35 localhost kernel[0]: ACPI: System State [S0 S3 S4 S5] (S3)
Apr 18 23:16:35 localhost kernel[0]: AppleIntelCPUPowerManagement: initialization complete
Apr 18 23:16:35 localhost kernel[0]: Sleep failure code 0x00000000 0x15000000
Apr 18 23:16:35 localhost kernel[0]: mbinit: done (64 MB memory set for mbuf pool)
Apr 18 23:16:35 localhost kernel[0]: rooting via boot-uuid from /chosen: 945EA915-F3BC-3D4E-8246-7CDCD183191A
Apr 18 23:16:35 localhost kernel[0]: Waiting on <dict ID="0"><key>IOProviderClass</key><string ID="1">IOResources</string><key>IOResourceMatch</key><string ID="2">boot-uuid-media</string></dict>
Apr 18 23:16:35 localhost kernel[0]: com.apple.AppleFSCompressionTypeZlib kmod start
Apr 18 23:16:35 localhost kernel[0]: com.apple.AppleFSCompressionTypeZlib load succeeded
Apr 18 23:16:35 localhost kernel[0]: AppleIntelCPUPowerManagementClient: ready
Apr 18 23:16:35 localhost kernel[0]: Got boot device = IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@1F,2/AppleAHCI/PRT2 @2/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDri ver/ST9100824AS Media/IOGUIDPartitionScheme/Apple_HFS_Untitled_1@2
Apr 18 23:16:35 localhost kernel[0]: BSD root: disk0s2, major 14, minor 2
Apr 18 23:16:35 localhost kernel[0]: FireWire (OHCI) Lucent ID 5811 built-in now active, GUID 0016cbfffe58ffea; max speed s400.
Apr 18 23:16:35 localhost kernel[0]: jnl: unknown-dev: replay_journal: from: 1622528 to: 3194368 (joffset 0x2e9000)
Apr 18 23:16:35 localhost kernel[0]: jnl: unknown-dev: journal replay done.
Apr 18 23:16:35 localhost kernel[0]: [Bluetooth::CSRHIDTransition] switchToHCIMode (legacy)
Apr 18 23:16:35 localhost kernel[0]: [Bluetooth::CSRHIDTransition] transition complete.
Apr 18 23:16:35 localhost kernel[0]: CSRUSBBluetoothHCIController::setupHardware super returned 0
Apr 18 23:16:35 localhost kernel[0]: hfs: Removed 2 orphaned / unlinked files and 0 directories
Apr 18 23:16:35 localhost kernel[0]: AppleYukon2: Marvell Yukon Gigabit Adapter 88E8053 Singleport Copper SA
Apr 18 23:16:35 localhost kernel[0]: AppleYukon2: RxRingSize <= 1024, TxRingSize 256, RX_MAX_LE 1024, TX_MAX_LE 768, ST_MAX_LE 3328
Apr 18 23:16:36 localhost kernel[0]: yukon: Ethernet address 00:16:cb:92:1d:55
Apr 18 23:16:41 localhost kernel[0]: systemShutdown false
Apr 18 23:16:42 localhost kernel[0]: Waiting for DSMOS...
Apr 18 23:17:07 localhost kernel[0]: disk0s2: I/O error.
Apr 18 23:17:13 localhost kernel[0]: Previous Shutdown Cause: 0
Apr 18 23:17:13 localhost kernel[0]: Atheros: mac 10.3 phy 6.1 radio 10.2
Apr 18 23:17:13 localhost kernel[0]: DSMOS has arrived
Apr 18 23:17:14 julia-lowes-computer kernel[0]: AirPort_AthrFusion21: Ethernet address 00:16:cb:08:68:4d
Apr 18 23:17:14 julia-lowes-computer kernel[0]: IO80211Controller::dataLinkLayerAttachComplete(): adding AppleEFINVRAM notification
Apr 18 23:17:14 julia-lowes-computer kernel[0]: AirPort: Link Down on en1. Reason 1 (Unspecified).
Apr 18 23:17:15 julia-lowes-computer kernel[0]: en1: 802.11d country code set to 'US'.
Apr 18 23:17:15 julia-lowes-computer kernel[0]: en1: Supported channels 1 2 3 4 5 6 7 8 9 10 11 36 40 44 48 52 56 60 64 149 153 157 161 165
Apr 18 23:17:15 julia-lowes-computer kernel[0]: Notice - new kext com.increw.kext.speedit, v0.32 matches prelinked kext but can't determine if executables are the same (no UUIDs).
Apr 18 23:17:15 julia-lowes-computer kernel[0]: Warning - kext com.increw.kext.speedit has immediate dependencies on both com.apple.kernel* and com.apple.kpi.* components; use only one style.
Apr 18 23:17:15 julia-lowes-computer kernel[0]: SpeedIt Kext is loading!
Apr 18 23:17:15 julia-lowes-computer kernel[0]: Supported states
Apr 18 23:17:15 julia-lowes-computer kernel[0]: AirPort: Link Up on en1
Apr 18 23:17:16 julia-lowes-computer kernel[0]: AirPort: RSN handshake complete on en1
Apr 18 23:17:55 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:18:50 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:20:43 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:21:08 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:22:02: --- last message repeated 2 times ---
Apr 18 23:22:51 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:22:51 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 23:23:39 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:23:39 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 23:24:26 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:24:26 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 23:25:13 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:25:13 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 23:25:37 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:29:03 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:30:01 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:30:42 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:32:00 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:32:00 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 23:32:55 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:32:55 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 23:33:48 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:33:48 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 23:34:39 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:34:39 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 23:35:28 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:35:28 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 23:36:19 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:36:19 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 23:36:36 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:37:12 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:37:42: --- last message repeated 1 time ---
Apr 18 23:38:01 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:38:31: --- last message repeated 1 time ---
Apr 18 23:38:50 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:39:54 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:39:54 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 23:40:50 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:40:50 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 23:41:44 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:41:44 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 23:42:38 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:42:38 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 23:43:34 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:43:34 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5
Apr 18 23:44:28 julia-lowes-computer kernel[0]: disk0s2: I/O error.
Apr 18 23:44:28 julia-lowes-computer kernel[0]: hfs_clonefile: cluster_read failed - 5

William, Thank you. I did do the reformat with the DVD SL Disk Utility with the write zeros once option.
I think the way to go is buy a new HD. They are cheap enough. In researching this, I found some discussions that there are some possible issues with using the newer SATA 3.0 GBs drive on my old intel core due macbook pro.
Here are 2 threads - https://discussions.apple.com/thread/2673222?threadID=2673222&tstart=180 and http://www.mac-forums.com/forums/apple-notebooks/206962-will-hard-drive-fit-my-m acbook.html
Do you have an opinion on that?
I found this one http://www.bestbuy.com/site/Western+Digital+-+Scorpio+Blue+250GB+Internal+Serial +ATA+Hard+Drive+for+Laptops/9024147.p?id=1218012522486&skuId=9024147&st=WDBABB25 00ANC-NRSN&cp=1&lp=1
which looks like it is compatible.
Am I better off buying a genuine apple replacement or an OEM?
Thanks

Macbook Pro Warranty Void and Beeping 3 times/freezing

Hey guys,
I have a Macbook Pro and it recnetly started beeping three times intermittenly when I started it up and freexzing at the same time.
Sometimes it would work and then after a while of use it would freeze and beep but in the end it became more frequent and the laptop wasn't able to be used on a consistent basis.
I found that if I kept it still it would work for longer.
I have read that three beeps generally refers to a ram issue. I'm not too great with computeres so I wouldn't know if that was the reason why my laptop was doing it or not.
Anyway, I knew that I still had the basic one year warranty on it that comes with purchase so I rang apple and they told me to take it to a store called 'Next Byte'. So I did and after about 2 weeks I got a phone call today telling me that to fix it it is going to cost me $1800. In between his actual laughter at me he told me that logic board needs replacing. Yes, you read that right, he was actually laughing at me, like he thought it was funny. He also wen't on to tell me that I may as well just buy a new one. Well excuse me, and who are you?
Apparently there is visiable cosmetic damage. I know that this voids the apple warranty but I just think it is unfair.
Is there anyway that apple can prove that I caused the damage? I am not going to say that it is 100% conditon, I'm sure there are some bumps and scratches on it, but I truly don't think I have caused this issue. Is there anyway I can talk to someoene at apple who might be able to see if this was my doing?
And you know what else confused me, he told me the price to fix both the cosmetic damage and the hardware damage. But when I ask him how much it would be just to fix the hardward damgage he gave me a quote of $1100, so if he can tell me that he can just fix the hardware damadge that must me that the present so called "dents" on the laptop won't effect the new logic board, so how can they possibly be sure reason as to what has caused the issue with my laptop now? This is really frustraiting and I can't believe that I haven't even had my laptop a year and I have to pay the price of a whole other laptop to fix it.
Please help!

Take it to Apple and ask them. They are the only ones that can tell you.
Three beeps usually indicates bad RAM.
Allan

MacBook Pro keeps freezing and being three times

My MacBook Pro laptop froze yesterday and started beeping three times at five second intervals. I shut it off and tried again with the same result. Now two time I have had to reset my date and time only for it to freeze and beep again. I don't know if it is the RAM since it doesn't happen when I turn on the computer but once it has been on for a few minutes. Help please!

Read this article:
http://www.macworld.com/article/2027920/mac-troubleshooting-how-to-handle-freeze s-and-crashes.html

HT1688 My new iphone 5c has started blacking out then the apple appears and then it comes back on. What is causing this?

Is anyone else having the same problem... My iphone 5c will be working fine, then fade away and the apple will appear. It takes a minute and then the phone is back up and working? What is causing this to happen?

Phone is under warranty. Take it back to the store for exchange.

Mid 2011 Macbook Pro keeps freezing and Chrome won't work.

Starting two days ago my Macbook has started freezing. It was working fine then an hour later it started freezing. It doesn't seem to matter what the program is, Chrome, Microsoft Word, Finder, Notes, everything; except for activity monitor.I have had troubles with my HD as my main Tb hard drive failed probably a month ago; when ever I started up the computer it shows the grey file with a blinking question mark. Never was able to resolve that. Now I am on the stock HD, 500 Gb, and have used about 51 Gb of it; with no huge programs such as ableton, PS, etc. on this HD. I have upgraded my ram to 16 Gb, but I am currently running 1.5 gb wired, 1.3 gb active, and 300 Mb inactive; totalling to 3.1 gb used and 12.9 free. I also have 500mb pages in and 0mb pages out. This maybe the reason, however I have no applications open but when looking at the processes in activity monitor it doesn't show anything abnormal. I am currently using around 2-8% of my CPU; my CPU being an I5. However, when it freezes and after it finally ends beach balling the cpu percentage skyrockets to around 40% then falls back to around 4. Yesterday I tried loading google chrome and now it says there is an ssl error, and my date in the top right corner has been rolled back to January 1 2012. I Tried chaning it but it beach balled and I shut off my computer. Right now I am using Safari, and have closed many, random, processes on the activity monitor and it seems to be running smoother with no beach balls. Anyone have any suggestions?
**When I tried to add tags posting this my safari froze. When i closed xcel in my activity monitor safari started working again. Is this possibly a RAM issue?

So my genius confirmed that my logic board had died. he said it's very rare for this to happen unless there's been physical damage I.e water damage. But this one had him stumped he thinks my hard drive is also shot too.

July 2011 15" macbook pro now freezing temporairly every 10-15 seconds

I'm having an issue with my summer 2011 macbook pro 15".
typing, web browsing etc.. every 10-15 seconds the whole computer freezes for about 5 seconds then repeats. it's really annoying to use this way. it affects all functions.

Hi...
How much free space on the startup disk?
Right or control click the MacintoshHD icon on your Desktop. Click Get Info. In the Get Info window you will see Capacity and Available. Make sure there's a minimum of 15% free disk space.
If there's enough free storage space on the disk, try Starting up in Safe Mode
A Safe Mode boot takes much longer than a normal boot so be patient. Once you see the Desktop, click the Apple menu icon top left in the screen. From the drop down menu click Restart.
If the drive still freezes after booting in Safe Mode, since you are running v10.7.4 Lion, use Lion Recovery to repair the startup disk or reinstall the Mac OS X.
edited by: cs

Macbook pro Display freezes and darkens every few seconds

Hey ,
I just bought my Macbook pro 15 inch late 2013 few months ago , I'm new to Apple products ,
My screen started freezing and darkening every 4 seconds , starting from when I power it , until I shut it down even If I don'tt run any programs
I can't move the cursor while it's freezing or do anything , but for example If I write any text , the text will show up when it unfreezes , and If I'm listening to music the sound doesn't freeze . I tried the safe mode , and reseting the PRAM and NVRAM , running disk utility in single user mode and said that everything is fine , I checked my hardware using apple hardware test and also said that everything is fine , I removed the flash player thinking that it may be the problem but nothing changed . I don't know what I'm doing because as I said I'm new to all of this but I tried random things and nothing seems to work , I would really appreciate any help .
PS. when I tried taking a screenshot of the screen when it freezes and darkens a little , it appeared normal in the screenshot .
Hardware Information:
          MacBook Pro (Retina, 15-inch, Late 2013)
          MacBook Pro - model: MacBookPro11,2
          1 2 GHz Intel Core i7 CPU: 4 cores
          8 GB RAM
Video Information:
          Intel Iris Pro - VRAM: 1024 MB
System Software:
          OS X 10.9.2 (13C64) - Uptime: 0 days 0:42:17
Disk Information:
          APPLE SSD SM0256F disk0 : (251 GB)
                    EFI (disk0s1) <not mounted>: 209.7 MB
                    Macintosh HD (disk0s2) / [Startup]: 250.14 GB (200.02 GB free)
                    Recovery HD (disk0s3) <not mounted>: 650 MB
USB Information:
          Apple Internal Memory Card Reader
          Apple Inc. BRCM20702 Hub
                    Apple Inc. Bluetooth USB Host Controller
          Apple Inc. Apple Internal Keyboard / Trackpad
FireWire Information:
Thunderbolt Information:
          Apple Inc. thunderbolt_bus
Kernel Extensions:
          com.eltima.SyncMate.kext          (0.2.5b15)
          org.virtualbox.kext.VBoxDrv          (4.3.6)
          org.virtualbox.kext.VBoxUSB          (4.3.6)
          org.virtualbox.kext.VBoxNetFlt          (4.3.6)
          org.virtualbox.kext.VBoxNetAdp          (4.3.6)
Launch Daemons:
          [System] com.microsoft.office.licensing.helper.plist 3rd-Party support link
          [System] org.virtualbox.startup.plist 3rd-Party support link
          [System] rapiback.plist 3rd-Party support link
Launch Agents:
          [System] syncmateStarter.plist 3rd-Party support link
User Launch Agents:
          [not loaded] com.adobe.ARM.[...].plist 3rd-Party support link
          [not loaded] com.google.keystone.agent.plist 3rd-Party support link
          [not loaded] org.virtualbox.vboxwebsrv.plist 3rd-Party support link
User Login Items:
          iTunesHelper
          SpeechSynthesisServer
          Dropbox
Internet Plug-ins:
          AdobePDFViewerNPAPI: Version: 11.0.06 - SDK 10.6 3rd-Party support link
          SharePointBrowserPlugin: Version: 14.0.0 3rd-Party support link
          AdobePDFViewer: Version: 11.0.06 - SDK 10.6 3rd-Party support link
          QuickTime Plugin: Version: 7.7.3
          Default Browser: Version: 537 - SDK 10.9
Audio Plug-ins:
          BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
          AirPlay: Version: 2.0 - SDK 10.9
          AppleAVBAudio: Version: 203.2 - SDK 10.9
          iSightAudio: Version: 7.7.3 - SDK 10.9
iTunes Plug-ins:
          Quartz Composer Visualizer: Version: 1.4 - SDK 10.9
User Internet Plug-ins:
          Picasa: Version: 1.0 - SDK 10.6 3rd-Party support link
3rd Party Preference Panes:
          FUSE for OS X (OSXFUSE) 3rd-Party support link
Old Applications:
          None
Time Machine:
          Time Machine not configured!
Top Processes by CPU:
               2%          WindowServer
               1%          EtreCheck
               1%          locationd
               0%          sysmond
               0%          coreservicesd
Top Processes by Memory:
          336 MB          Finder
          336 MB          Safari
          172 MB          iTunes
          164 MB          Dock
          156 MB          softwareupdated
Virtual Memory Information:
          1.68 GB          Free RAM
          4.74 GB          Active RAM
          615 MB          Inactive RAM
          989 MB          Wired RAM
          555 MB          Page-ins
          0 B          Page-outs

After the PRAM reset did you reboot the MBP and the projector?
If not, connect and power up the projector, the power up MBP.
The monitor itself could be on the way out, is there another monitor you can check it on.
Another thing you can try is a VGA cable with the DVI adapter and see if that performs better.
You can also try a different cable, since it worked fine in the past, I'm just trying to help you.
check some of these out:
http://support.apple.com/kb/TS4045
http://support.apple.com/kb/HT3382
http://support.apple.com/kb/PH7342
http://support.apple.com/kb/PH7219
I hope you can find something here, it's hard to source problems when the device(s) are not in front of you.
Let me know how this works for you,
All the best

My 2011 15" Macbook Pro occasionally freezes and beeps loudly in groups of three. What is causing this?

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