Disk0s10 I/o Error
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Please enter a title. You can not post a blank message. Please type your message and try again. yadielar Level 1 (0 points) Q: Beachballing and "disk0s10: I/O errors" after upgrading to Snow Leopard Here's my situation: I recently upgraded
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my iMac (2.93 Ghz Intel Core Duo, 4GB of ram, model id is 9.1) from mac disk1 i/o error Leopard to Snow Leopard. I did a basic install (not a clean install), the installation went smoothly, no errors were reported and
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in less than 40 minutes I was up running Snow Leopard.But... immediately, on the first launch, after a couple of minutes my Mac started beachballing, leaving it completely unresponsive for like 5 minutes. Afterwards, the spinning disk0s2 i/o error invalid node structure pinwheel disappears, my Mac continues running normally, and I don't experience much issues. At first I thought it was a one time thing, probably saving some settings up after the first launch, but... it has been happening every time I start my computer! Every time, it starts up, all my startup programs launch, the desktop icons appear, and then suddenly after a couple of minutes it starts beachballing again.I now start to suspect there's disk1 i/o error macbook pro something wrong. I launch the Console and take a look at the logs. There at the exact same time the beachballing occurs, i find like 3 or 4 subsequent "disk0s10: I/O errors". Now I'm starting to think it's a hard disk issue, so I bring up Disk Utility and check the S.M.A.R.T., it says everything is OK. I verify the disk, and it says everything is OK. Now I don't know what to suspect.Something tells me it's not the hard disk failing (maybe it's denial), because the problem started happening immediately after installing Snow Leopard. With Leopard I didn't have any problems at all. Also, once the beachballing stops, my computer runs smooth and fast, much faster than with Leopard; and it seems the beachballing and the errors don't happen again until the next restart (though I haven't yet used it for a long period of time since this problem happened like three days ago). Another thing is that I recently transfered like 30GBs worth of files and I didn't receive a single error. Everything seems (as for now) to run perfectly well after the initial beachballing occurs.So, I'm now facing two options: (1) Make a clean install and see if the problem persists, or (2) Replace the hard disk.As all of you know, both options are pre
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Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the http://apple.stackexchange.com/questions/104656/imac-startup-i-o-error-despite-successful-disk-repair company Business Learn more about hiring developers or posting ads with us Ask Different Questions Tags Users Badges Unanswered Ask Question _ Ask Different is a question and answer site for power users of Apple hardware and software. Join them; 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 i/o error Successful Disk 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 disk0s2 i/o error errors afterwards. Thinking it 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 repair