Yosemite open not start after Trim solutions

Joined inYosemite beta seed 计划after that,Routing the first time to upgrade it,After upgrading to want to open at hand cheaptrim,Okay, I admit that in fact is not turned on and basically not much difference between the actual feelings on,Forgive my obsessive-compulsive disorder。

Open accordanceThis postDried,Very smooth process,The results were tragic

Restart the progress bar and hung up halfway,Display aWhite prohibit icon,Even thecmd+sSuchSingle-user modeCan not enter the,The same white prohibit icon。I do not know the previous version, such as the Mavericks will likewise,But I think it should be that before they sayCommonWhite Apple + unlimited daisyThe。

In short,Also I do not want to look for a computer to make a boot disk and then reinstall the system and then restore the data (Look at this sentence is not some dizziness,In fact, if I do it will be more dizzy。)

SolutionYes,You upgradeYosemiteafter that,In fact, you probably can not see at boot timerecovery HD,But that's okay,You could try usingcmd+rComeNetworking downloadA temporaryrecovery HD,Then by utility,Enter the terminal。(Provided that the network quality is better,Probably have to wait several minutes to several hours ranging from it ......)

QQ20140225-1
Discrepancies Photo,for reference only

Enter the following in Terminal them

Remember progressive input ah,I hope you have someUnix-like operating systemThe experience ......

In short,You may encounter difficulties in the last command,After you complete input,The system will prompt you

Lock acquired; proceeding.

At this moment,onwait a moment,Then execute this statement (last command),Until it is no longer on top of that sentence prompted the,Is OK,Then reboot your system!

correct,Solutions fromHere

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9 comments

  1. Hello I am performing the first row when they reported the readonly
    And also tried sudo chmod permissions did not work reported
    I also feel might be in the wrong directory, but for a long time to find the next / volumes on this is like the。

    1. The principle is that was removed and then turn over the driving current recovery drive to replace it;You have no rights may be because you have enabled FileVault,Because I never opened this - if you are sure your directory to find the right words。
      Then confirm your directory,If your system partition naming spaces,Remember to use the escape character - if you do not know what is the escape character does not matter,Then try to use Tab button to complete the command try!
      good luck。

    1. This is a read-only mean,Try chmod -r filename to see if you can read only,If you can not,Then
      1、You go to the wrong directory;
      2、No permission to look no account of the,Try adding sudo;
      3、At least you have to tell me where you knock a segment command is read only, right ╮(╯▽╰)╭

  2. How to view the system disk name
    rm -rf /Volumes/你的系统盘/System/Library/Extensions/IOAHCIFamily.kext cp -r /System/Library/Extensions/IOAHCIFamily.kext /Volumes/YourDisk/System/Library/Extensions/IOAHCIFamily.kext touch /Volumes/你的系统盘/System/Library/Extensions kextcache -u /Volumes/你的系统盘
    Enter this code is a single line of what? Or the entire input and then press Enter

    1. You should not put the browser page load completely,4Enter the four lines of code。rm -rf / Volumes / your system tray /System/Library/Extensions/IOAHCIFamily.kextThis is a
      cp -r /System/Library/Extensions/IOAHCIFamily.kext /Volumes/YourDisk/System/Library/Extensions/IOAHCIFamily.kext touch /Volumes/你的系统盘/System/Library/Extensions kextcache -u /Volumes/你的系统盘 This is a

        1. Uh,I just give a chestnut,You carefully read,Among article snippet using a total of four command,That is, each command requires a carriage return to the end so that it can perform。(look,Enter required 4,,,But in fact it is possible to use a carriage return is completed,In short carriage return calculation is wrong。)
          These four are the rm command、cp、touch、kextcache;If you really do not understand what they mean,So simple to understand "It needs four front carriage Keywords,Then a final carriage return。”

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