How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask Daniel Your Own Question

Daniel
Daniel, Mac Genius
Category: Mac
Satisfied Customers: 4736
Experience:  Apple certified on desktop and portable, help desk qualified. Have owned and used Macs since 1989.
Type Your Mac Question Here...
Daniel is online now
A new question is answered every 9 seconds

my mac book pro 13 not run. it wait in the white screen whit

Customer Question

my mac book pro 13 not run. it wait in the white screen whit the grase apple.i try to go to model single and write :"/sbin/fsck -fy"and the last message i received is: /dev/rdisk0s2 (hfs) exited with signal 8.

Please HELP ME IS VERY URGENT
Submitted: 11 months ago.
Category: Mac
Expert:  Daniel replied 11 months ago.
Hello, my name is Dan.
I will do my best to help you, the only stupid question is the unasked one.

That is telling you that the hard drive is full past its ability to function.
A fix is to install your OS X on an external hard drive larger than the internal drive (at least 200GB bigger). Then you can migrate from the full drive to the new, swap drives and it should be fine.
That is the short version, here are some details.
After installing and migrating repair permissions and repair the directories.
Then it should be just fine.
I recommend this utilty for the directories and file repair.
It is not cheap but it is cheaper than losing all your data.
Overall the cost of fixing this will be around $200.00, this includes the new hard drive, the DW software and this question.
This assumes you can swap the drive yourself, it isn't hard and this site will step you through how to do it.
Just indentify your Mac and follow it.

The reason it returns that error is it cannot write to the drive and it has to in order to perform the repais the fsck is trying to do.

Hope that helps.
Customer: replied 11 months ago.

Hi Dan,


and would be possible to delete some files to have more free space? , For example from the mode-single?


I have not the mac installation cd did not come with the computer ....
where I could get one?

Expert:  Daniel replied 11 months ago.

Carlos,

The problem with deleting files that way is knowing exactly what is being deleted.

Amazon is one place to look but first I would look around for people that have Macs.
If you have an Intel Mac many versions can be used, I suggest at least a retail copy of Snow Leopard.
You did not mention which version of OS X you have, matching it or newer is best.
A rule of OS X is it likes at least 10% of the drive to work, less than that it can lock up (this is your isue). What I have suggested is the best possible way to recover the data.
The next is a data recovery service, much more expensive.
A retail copy of most OS X disks will be costly, that is why I suggest borrowing one.
You may need another Mac depending on if yours wishes to cooperate.
That help?
Customer: replied 11 months ago.

Dear XXXXX,
The MAC is of my girlfriend, i do not know what OS she has.
Do you think That you can tell me, how to delete a folder in the desktop is That?


It is not the best solution but I think that if more convenient.


 

Expert:  Daniel replied 11 months ago.
This is a step by step 'how to'. Follow it very closely and check before commiting, once done there is no going back.

Take you time, syntax is very imortant.
Good luck.
Customer: replied 11 months ago.

OK!


 


For example she has a bif folder named "musica" this folder is in the desktop...


 


i have so problems like for example she is not sure about the exactly name user.


 


so for delete this folder , i have write:


 


"rm -rf /users/xxx/Desktop/musica"


 


But i dont know what is the user name("xxx")

Expert:  Daniel replied 11 months ago.
I am sorry Carlos but I do not have that info. She will have to tell you her short name, that will be the name that is beside the small house in the Finder window that you cannot see.
It should also be displayed just before the cursor in the Terminal window. Not always will it be but usually, like the example below.
graphic
Try that.
Daniel, Mac Genius
Category: Mac
Satisfied Customers: 4736
Experience: Apple certified on desktop and portable, help desk qualified. Have owned and used Macs since 1989.
Daniel and 3 other Mac Specialists are ready to help you
Customer: replied 11 months ago.

i am working in single mode...


 


i am doing well?

Customer: replied 11 months ago.

and i have


 


:/ root#


 

Expert:  Daniel replied 11 months ago.
The Unix Command Line: Single-User Mode

Terminal has abilities Single User mode does not. The above may help.
If you are using another Mac and have a firewire cable that can connect the two then it may become much easier.
Start her Mac in Target mode by restarting and holding down the letter T.
You will see this when successful.
graphic
Might be blue background.
Then plug the firewire between them, this mounts her drive as an external allowing (if it cooperates) access to everything.
graphic
Makes it much easier to do what you are trying.
Sorry I did not mention this sooner.
Customer: replied 11 months ago.

I dont have other mac

Expert:  Daniel replied 11 months ago.
Well Carlos, you do absolutly need the user name and possibly the password XXXXX do this in Single mode.
Single Mode is tricky and since the GUI has become the realm of software engineers and writers.
It is very similar to DOS command line, I do not know how well you know that line of comunicating with a computer but I do know it has to be exact.

I have given all the options I can think of and the first one is still the most reliable.
That is the route I would take.
Thank you.
Customer: replied 11 months ago.

Maybe i can insert the hdd of mac in my pc (W xp) like a external HDD i have a SATA-usb cable conecttion....


 


is that posible?

Expert:  Daniel replied 11 months ago.
Sorry, I was away returning home.
It would be nice if that were possible but as far as I know it is not. It uses Firewire only and the two use different file structures, readability is very limited.
You can try it, nothing from nothing leaves nothing but may give something.
Let me know.
Customer: replied 11 months ago.

I done! i had acces at the hdd of mac by sata conecttion usb and 1 program for read MAC`s folders by Windows (macdriver).I could take the important folders.and i deleted some folders ,now there are 50GB free in the HDD of 300GB , I think that with this is enough.


 


now i have other problem , i cant run the mac jet ,but the message now when i do the "/sbin/fsck -fy"


 


disk0s2 : I/O error


Invalid node structure


 


(4,12625)


 


++rebuilding catalog B-tree


disk0s2 : I/O error


Invalid node structure


(4,12625)


Invalid node structure


 


(4,12626)


 


Invalid node structure


(4,12627)


.


.


.


.


 


.


.


"


 


 

Expert:  Daniel replied 11 months ago.
That is good news. You still need a stronger utility than Disk Utility, it is limited. It does a good job as far as it can but it is at its limit.
If you are near an Apple store go get Disk Warrior or Alsoft Products Store Locator input your location in that site and it will tell you where to find it locally.

It really needs it to repair the node and file structure, Disk Utility is out of its depth, really.

Then boot from that DVD in the MacBook, it will then enable repairs. It really works, I use it a lot.
Customer: replied 11 months ago.

thnx.


 


I can use diskwarrior in windows for repair HDD of mac?


 


and diskwarrior is too expensive if with that i solucionate the problem will be fantasstic but if i dont it, i lost 50 €..

Customer: replied 11 months ago.

see


 


i have 1 mac (broken) and 1 pc with wondows xp....


 


How i can use diskwarrior for "rebuild" my HDD ?


 


 

Expert:  Daniel replied 11 months ago.
Go to the site and read it, it will explain all about how to use it.
One boots from the DVD that Disk Warrior comes on, that gives you access to the internal hard drive that is having problems.
The fsck it not enough to repair it.
Customer: replied 11 months ago.

hello daniel,

 

Now i have other macbook,but i dont have the firewire cable, also i have diskwarrior.but when i connect the HDD of the first computer to second i ccant use diskwarrior because it say that the hdd not appear in the desktop.

 

 

directory cannot be rebuilt due to disk hardware failure (-36 2541)

Expert:  Daniel replied 11 months ago.
That, as they say, is that. Hardware failure like this means, at worst, it is shot and all is lost or at beat the files are available with limited availability.

There is still a possibility of repairing with the bad one in Target connected via firewire and mounted as an external.
If your MBPs have thunderbolt in place of Firewire then you need a thunderbolt cable.

In any case the hard drive probably needs replacing.

Customer: replied 11 months ago.
now is rebulding
Rebuilding dyrectory....

Step 5 : Locating directory data...

Speed reduced by disk malfunction :39

this is good ??
Expert:  Daniel replied 11 months ago.

This is not good, it is working but, t means that the hard drive is failing and it might finish or might not. Hopefully it does. Then I strongly suggest replacing the hard drive, use an interface to migrate from this drive to the new one.

If you are handy with a jewelers screw driver you can do it your self.
If Apple does it they will keep the drive and your data.
This is a good place for the drive and interface.
This is the interface, inexpensive.
This will give you step by step instructions for replacing the drive.
It will be one of those 4.
Hope that helps.
Customer: replied 11 months ago.
finally i have a new hdd
where i can take the OS? and how if by unternet how i can burn in a dvd with windows?
Expert:  Daniel replied 11 months ago.
What do you mean 'take the OS'? Do you want to install the OS?
With the installation DVD that is easy, after the drive is installed or using the USB interface just boot from the DVD and select where to install. It will probably format the drive before installing, let it.

What DVD of Windows are you trying to burn?
One that Windows can read?
Customer: replied 11 months ago.
i meant i am a windows user, inwant to download Mac OS X ,and burn in a dvd for instal with that thne os in the mac.apple dont have a online OS? Because with the mac disnt came a dvd or usb or nathing like this
Expert:  Daniel replied 11 months ago.

Ok, that makes sense. The newest version of OS X is downloaded online. It is actually an app that does the job. It can be downloaded and burned to a DVD but I do not think a Windows machine can do it.

You will need a Mac with at least Snow Leopard 10.6.8 running on it. This has the App Store where Mountain Lion is available from.
You can buy a USB drive from Apple that has ML on it or You may be able to use the recovery mode.
Restart and hold down the 'R' and the Command keys. This article explains it well.
Look that over and let me know if it helps.

JustAnswer in the News:

 
 
 
Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
 
 
 

What Customers are Saying:

 
 
 
  • Hi John, Thank you for your expertise and, more important, for your kindness because they make me, almost, look forward to my next computer problem. After the next problem comes, I'll be delighted to correspond again with you. I'm told that I excel at programing. But system administration has never been one of my talents. So it's great to have an expert to rely on when the computer decides to stump me. God bless, Bill Bill M. Schenectady, New York
< Last | Next >
  • Hi John, Thank you for your expertise and, more important, for your kindness because they make me, almost, look forward to my next computer problem. After the next problem comes, I'll be delighted to correspond again with you. I'm told that I excel at programing. But system administration has never been one of my talents. So it's great to have an expert to rely on when the computer decides to stump me. God bless, Bill Bill M. Schenectady, New York
  • The Expert answered my Mac question and was patient. He answered in a thorough and timely manner, keeping the response on a level that could understand. Thank you! Frank Canada
  • My Expert answered my question promptly and he resolved the issue totally. This is a great service. I am so glad I found it I will definitely use the service again if needed. One Happy Customer New York
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
  • This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!! Alex Los Angeles, CA
  • Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult. GP Hesperia, CA
  • I couldn't be more satisfied! This is the site I will always come to when I need a second opinion. Justin Kernersville, NC
 
 
 

Meet The Experts:

 
 
 
  • Mike's Avatar

    Mike

    Mac Medic

    Satisfied Customers:

    6256
    Over 20 years IT experience with Apple computers in publishing, marketing and design.
< Last | Next >
  • http://ww2.justanswer.com/uploads/macthelife/2009-10-20_1899_mikesebaharsquare64.jpg Mike's Avatar

    Mike

    Mac Medic

    Satisfied Customers:

    6256
    Over 20 years IT experience with Apple computers in publishing, marketing and design.
  • http://ww2.justanswer.com/uploads/AS/ashiknasameen/2012-5-15_141836_final2.64x64.jpg Ashik's Avatar

    Ashik

    Mac Helper

    Satisfied Customers:

    5282
    7+ Years of Experience in troubleshooting Macs, iPhone, iPad, iPod etc
  • http://ww2.justanswer.com/uploads/DP/dpean/2012-6-6_172828_avatorme1.64x64.JPG Daniel's Avatar

    Daniel

    Mac Genius

    Satisfied Customers:

    4670
    Apple certified on desktop and portable, help desk qualified. Have owned and used Macs since 1989.
  • http://ww2.justanswer.com/uploads/VI/vinodvmenon2005/1.64x64.jpg Vinod Menon's Avatar

    Vinod Menon

    Support Specialist

    Satisfied Customers:

    2068
    worked as a Tech support Associate for Apple products
  • http://ww2.justanswer.com/uploads/BE/beboo/2011-1-14_201648_n5063313142021801763.64x64.jpg Brandon M.'s Avatar

    Brandon M.

    Mac Support Specialist

    Satisfied Customers:

    1501
    10+ Years Mac Support as contractor and currently an IT Manager for law firm
  • http://ww2.justanswer.com/uploads/MA/MacDruid/IMG_0232.64x64.JPG John T. F.'s Avatar

    John T. F.

    Mac Druid

    Satisfied Customers:

    1408
    20+ years in the computer/Mac industry
  • http://ww2.justanswer.com/uploads/MA/MacHelpdesk/1d2d506.64x64.jpg David's Avatar

    David

    Mac Support Specialist

    Satisfied Customers:

    1236
    BSc, H.Dip, Apple Certified