Io Disk Error Macbook
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Imac I/o Error
top How to pinpoint cause of disk I/O errors up vote 1 down vote favorite I am getting (seemingly random) disk I/O errors on my bootdrive. At first I thought it was caused by a faulty hard drive, but now I've replaced it and I still get those errors. These are the steps I have followed beginning from the first time I noticed something was wrong: Laptop hangs with just Google Chrome kernel disk i/o error and Postbox (an e-mail application) I restart the laptop, but it never gets past the screen with the grey apple. Started Apple Hardware Test by holding "D" during startup. This came up with no errors Through Verbose mode, and Disk Utility of the install CD I saw that it had disk I/O errors. I switched the Momentus XT drive for the stock Apple HDD. Installed a fresh copy of Snow Leopard Recovered everything from a Time Machine backup After a day it started giving disk I/O errors again in Console. This makes me think that an app or a setting is causing this as it is unlikely that both the hard drives are corrupted. How can I pinpoint which application is the cause? Below are my system details: MacBook Pro 5,3 2.66 Ghz / 8GB RAM Snow Leopard 10.6.8 First HDD: Seagate Momentus XT 500GB Second HDD: Stock Apple Hitachi 320GB macbook mac hard-drive hardware share|improve this question edited Jan 7 '13 at 15:59 bmike♦ 116k38202443 asked Jan 7 '13 at 15:54 Saaru Lindestøkke 2,03032348 If you are not equipped like a repair shop with ample spares and ability to isolate failures by systematically testing each component in the chain, I would re-seat the cables (or the drive if you are no
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Diskos2 Io Error Mac
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Disk0s2 I/o Error Invalid Node Structure
it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top iMac Startup I/O Error Despite Successful Disk http://apple.stackexchange.com/questions/77117/how-to-pinpoint-cause-of-disk-i-o-errors Repair up vote 1 down vote favorite My Early 2008 iMac with OSX 10.8.5 no longer boots beyond grey screen with spinning gear. Verbose mode shows a load of I/O errors. Disk Verify/Repair run via recovery partition completes successfully, as does fsck terminal command in single user startup mode (it modified the files on first run but not second). I reset the NVRAM too. However none of these have helped, same I/O errors afterwards. Thinking it http://apple.stackexchange.com/questions/104656/imac-startup-i-o-error-despite-successful-disk-repair might be due to OS files being corrupted I created a USB drive with installable version of OSX (actually 10.9 Mavericks), but it crashes during install. I wanted to try Apple Hardware Tools diagnostics but the startup shortcuts D or opt+D don't work - I read it's been removed so presumably I'll need to find a way to reinstall it first. I've tried the usual fixes such as safe mode (won't boot), removing all peripherals, even the RAM sticks. I can't hear the drive making any grinding sounds. Is there anything else I can try to fix this? Is it likely the HD has died even though Disk Repair is returning success? hard-drive imac boot startup install share|improve this question asked Oct 8 '13 at 14:46 Ben Wise 335324 add a comment| 1 Answer 1 active oldest votes up vote 1 down vote accepted Disk I/O errors literally translate to input / output errors, which occur when the system is unable to communicate properly with the hard drive. This is very indicative of a hardware failure, whether it be with the hard drive itself, the logic board or the SATA data cable that runs between the two. Given the age of your Mac (5~ years) I would assume that the hard drive is to blame. Disk Utility repairs the volume on the disk at a softwar
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss http://superuser.com/questions/627882/macbook-freezes-console-printing-kernel-disk0s2-i-o-error the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Super User Questions Tags Users Badges Unanswered Ask Question _ Super User is a question and answer site for computer enthusiasts and power users. Join them; it only takes a minute: Sign up o error Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top MacBook freezes, console printing kernel: disk0s2 I/O error up vote 2 down vote favorite 1 Yesterday I've closed my MacBook , opened it today and experienced horrible performance slowdown, beach ball and eventually a freeze. After disk0s2 i/o error several reboots I managed to close most of my applications but the problem presisted. My free disk space is about 11GB. I opened “Spotlight” and saw the file indexing process in progress. After waiting for about half an hour I have decided to turn the indexing off, and did that through terminal. The slow performance persisted and when I opened the “Console”; I am getting PM kernel: disk0s2: I/O error Every second. As per Google search this is an HD problem. But how and why? Among this error I am also getting a bunch of repeating messages: Aug 4 22:37:03 MacBook–Air–2 com.apple.launchd[1] (com.apple.iCloudHelper[4459]): Exited with code: 1 Aug 4 22:37:03 MacBook–Air–2 com.apple.launchd[1] (com.apple.iCloudHelper[4459]): XPC Service could not exec(3). Resetting port. Aug 4 22:37:03 MacBook–Air–2.local PhotoStreamAgent[4455]: AOSKit ERROR: XPC CLIENT: Connection [0x7fa20a54eba0] event handler received event with type: [XPC_TYPE_ERROR]. Description: [Connection interrupted] Aug 4 22:37:03 MacBook–Air–2.local CalendarAgent[193]: AOSKit ERROR: XPC CLIENT: Connection [0x7fca1b4cfda0] event handler received event with type: [XPC_TYPE_ERROR]. Description: [Connection interrupted] Aug 4 22:37:03 MacBook–Air–2.local PhotoStreamAgent[4455]: AOSKit ERROR: XPC CLIENT: Error received in reply message (msg=0x7b0f9b30),