Disk0s2: I/0 error - I can't start up my macbook air
Please help; my macbook air will not start up past the chimes and the grey screen.
I've tried command s and I get the disk0s2 1/0 error Exited with signal 8 - Do I need to take in in for repairs
or am I able to fix it myself?
You should be able to put the DVD into the optical drive then restart the computer. After the chime press and hold down the OPTION key until the boot manager appears. Select the DVD icon for the installer disc then click the arrow button below the icon.
After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
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