Haval77
Level 1 (0 points)

Q: A disk read error has occurred. Press ctrl+atl+del to restart.

Hi, I'm new to this and I have a problem. I needed space on my MacBook Air and I deleted some files and now when I start my mac it says a disk read error has occurred. I tried everything. Does anybody know how I can get back in? It would very much help. Please and thank you :)

MacBook Air, Mac OS X (10.6.5)

Posted on Dec 28, 2013 6:40 PM

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Haval77

Q: A disk read error has occurred. Press ctrl+atl+del to restart.

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  • by Barney-15E,

    Barney-15E Barney-15E Dec 28, 2013 8:35 PM in response to Haval77
    Level 8 (49,645 points)
    Mac OS X
    Dec 28, 2013 8:35 PM in response to Haval77

    Restart holding down cmd-r. When it boots into Recovery, reinstall the OS.

    http://support.apple.com/kb/ht4718

  • by Haval77,

    Haval77 Haval77 Dec 28, 2013 10:02 PM in response to Barney-15E
    Level 1 (0 points)
    Dec 28, 2013 10:02 PM in response to Barney-15E

    I'm sorry, cmd-r the letters or ?

  • by Haval77,

    Haval77 Haval77 Dec 28, 2013 10:34 PM in response to Haval77
    Level 1 (0 points)
    Dec 28, 2013 10:34 PM in response to Haval77

    I restarted while holding command and R but it's still says disk error. I really need help.

  • by Barney-15E,

    Barney-15E Barney-15E Dec 28, 2013 10:53 PM in response to Haval77
    Level 8 (49,645 points)
    Mac OS X
    Dec 28, 2013 10:53 PM in response to Haval77

    Are you running 10.9 or 10.6.5? 

    If you are running 10.6.5 as indicated on your profile, you are in the wrong place.

     

    To boot that system, you will need the install DVD or USB stick (if no DVD drive). Whatever you removed damaged the system to the point that it will not boot. You must reinstall the OS from the Install DVD.

    See here: http://support.apple.com/kb/ht3910

    You won't need to erase, but you will need the install media.

  • by Haval77,

    Haval77 Haval77 Dec 28, 2013 11:39 PM in response to Barney-15E
    Level 1 (0 points)
    Dec 28, 2013 11:39 PM in response to Barney-15E

    Um honestly I don't know what software I'm running I just picked one. I don't have the DVD. It can't play CDs anyways cause there's no slot. Idk it's cause I needed memory so I trashed some files. Then I turned off the laptop and restarted it it says a disk read error occurred. Press ctrl+alt+del to restart. I did that nothing worked, I hold command r, s, d, nothing is working. You know how to get around this?

  • by Barney-15E,

    Barney-15E Barney-15E Dec 29, 2013 6:56 AM in response to Haval77
    Level 8 (49,645 points)
    Mac OS X
    Dec 29, 2013 6:56 AM in response to Haval77

    Try restarting and hold down the Option key. That should bring up a screen where you can select which boot drive to use. Select the Macintosh HD.

     

    You are currently booting into a broken Windows installation.

    If you cannot select the Mac partition and successfully boot, and cmd-opt-r does not work either, then you will need to get the original install media for that Mac. It was probably on a small USB stick. White with an Apple on it.

  • by Haval77,

    Haval77 Haval77 Dec 29, 2013 11:16 AM in response to Barney-15E
    Level 1 (0 points)
    Dec 29, 2013 11:16 AM in response to Barney-15E

    I tried using the option key nothing works. I did option key and S then sound wired sound started to show up. Also I don't have the USB with the install. I don't really care of all my stuff deletes I just wanna go back to using it. Do you have any other suggestions?

  • by Csound1,

    Csound1 Csound1 Dec 29, 2013 11:18 AM in response to Haval77
    Level 9 (50,108 points)
    Desktops
    Dec 29, 2013 11:18 AM in response to Haval77

    Time to tell us some info

     

    How old is your Mac, have you updated OS X on it?

     

    Ctl-Alt-Delete is a Windows command, where did you see that?

  • by Haval77,

    Haval77 Haval77 Dec 29, 2013 11:42 AM in response to Csound1
    Level 1 (0 points)
    Dec 29, 2013 11:42 AM in response to Csound1

    I think it's 2010 idk it's a MacBook Air and idk it was running 10. Something. There was a update but I never updated it. And it says when I turn it on press ctel+ alt+del to restart.

  • by Barney-15E,

    Barney-15E Barney-15E Dec 29, 2013 11:45 AM in response to Haval77
    Level 8 (49,645 points)
    Mac OS X
    Dec 29, 2013 11:45 AM in response to Haval77

    Call Apple and see if you can purchase a replacement install USB stick for that Mac.

     

    If the Option key doesn't show the Boot Manager, and Cmd-R doesn't bring up the Recovery partition, you have damaged your install so badly that the only way to recover is with the original install media.

  • by Csound1,

    Csound1 Csound1 Dec 29, 2013 11:47 AM in response to Haval77
    Level 9 (50,108 points)
    Desktops
    Dec 29, 2013 11:47 AM in response to Haval77

    Ctrl-Alt-Delete will do nothing on a Mac.

     

    You're not making any sense,

     

    You need to hand over some real information, all these guesses are going nowhere.

     

    Which version of OS X do you have, without that info we also are guessing.

  • by Haval77,

    Haval77 Haval77 Dec 29, 2013 11:56 AM in response to Csound1
    Level 1 (0 points)
    Dec 29, 2013 11:56 AM in response to Csound1

    Idk I didn't check all I remember is it was like 10.5 I think. And did I really damage it that bad? Is that a way can I restore it? Without a USB with the install?

  • by Barney-15E,

    Barney-15E Barney-15E Dec 29, 2013 11:58 AM in response to Haval77
    Level 8 (49,645 points)
    Mac OS X
    Dec 29, 2013 11:58 AM in response to Haval77

    My guess is you were in Windows and completely erased the Mac partitions, based on it trying to boot into Windows and giving you the error you see.

     

    It could entirely be that your hard drive has completely failed. In that case, even the install USB won't help.

  • by Haval77,

    Haval77 Haval77 Dec 29, 2013 12:00 PM in response to Barney-15E
    Level 1 (0 points)
    Dec 29, 2013 12:00 PM in response to Barney-15E

    When you say windows do you mean like windows XP? Lol

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