Corrupted Master File Table on External Hard-Drive(NTFS)

You could try some data recover software, it should be able to copy the data off for you (as long as there are no physical problems with the HD). Recuva is free, Rstudio is also very good. You will need to have enough space available on another drive to restore the data to.
Best of luck with it! :)

First off I want to apologize if I sound inexperienced, this is my first time posting on Spiceworks and I have only been in IT for a year as an intern.So here is my problem, I have an external hard-drive that I use as a secondary drive for storage. The other day I went to get something off it when I noticed that I could not access the drive through file explorer. It came up with an error saying "Data error (cycle redundancy check).".
I proceeded to google the problem since I have not seen the error before and found many forums telling me to run a check disk on the drive with /f to fix the errors on the disk. I run the chkdsk and I get the following error"Corrupt master file table. Windows will attempt to recover master file table from disk. Windows cannot recover master file table. CHKDSK aborted".
I then booted my machine into a...
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how do you separate corrupt files from good files on a external hard drive importing them to your macbook pro

You open them one at a time into thier respective programs and see if they are good or not and then send the bad ones to the Trash and the good ones to the appropriate folder.

I need to do a clean install of maverick on my 2010 mbp what disk do i use and how do i move certain files from an external hard drive

I want to do a clean install of maverick on my 2010 mbp. I need to know what disk to use and also how i take certain files off my external hard drive and put on my computer. When I was having problems with my airport they did a clean install and they pulled files of my time machine.   however they forgot to put the partition back in for a windows side. Originally I had Parellels on my computer. After my external hard drive got corrupted i called apple and they fixed the problem but didn't have me set up the time machine except for the external hard drive. Now my only back up is from the external not from the laptop.    I am not sure how to do any of this. I am not computer savvy...PLEASE I NEED HELP>

First, you need to make a backup of your MBP onto your external drive. I suggest you start by cloning your MBP drive to the external drive:
Clone Mavericks, Lion/Mountain Lion using Restore Option of Disk Utility
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
     1. Select Disk Utility from the main menu then press the Continue
         button.
     2. Select the destination volume from the left side list.
     3. Click on the Restore tab in the DU main window.
     4. Select the destination volume from the left side list and drag it
         to the Destination entry field.
     5. Select the source volume from the left side list and drag it to
         the Source entry field.
     6. Double-check you got it right, then click on the Restore button.
Destination means the external backup drive. Source means the internal startup drive.
This clone is fully bootable and also contains a clone of your Recovery HD.
Second, you need to do a clean install of OS X onto your MBP as follows:
Install or Reinstall Mavericks or Mountain Lion from Scratch
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
OS X Mavericks- Erase and reinstall OS X
OS X Mountain Lion- Erase and reinstall OS X
OS X Lion- Erase and reinstall Mac OS X
Note: You will need an active Internet connection. I suggest using Ethernet if possible
            because it is three times faster than wireless.
This should accomplish your goals. You will have a clean install of OS X on your MBP and a bootable clone of your old system and all your files on the external drive.

HT2674 I have an iMac purchased in May 2011. OSX Lion 10.7.3. I deleted backup file from the external hard drive. Now, the trash can will not empty some of the files deleted. File folder: "Core Services" contains a locked file: "boot.efi". It will not

I have an iMac purchased in May 2011. OSX Lion 10.7.3. I deleted backup file from the external hard drive which operates from Time Machine.
Now, the trash can will not empty some of the files deleted from the backup harddrive.
The trash contains-- File folder: "Core Services" which contains a locked file: "boot.efi".
It will not delete.
How do I get the trash can empty of these files?

Yes, the Old Master file has a folder for each year where I find all photos from that specific year. I am attaching a screen shot of the file.
In the meantime i have managed to download all photos (it did not download any video files though in mpg, avi, 3gp, m4v,mp4 and mov format) to a new iphoto library. Unfortunately the photos are quite mixed and often doubled up. I ma considering to purchase iphoto library which checks all duplicates in iphoto. this will save me a lot of time. What do you think?

I get error 8062 when trying to copy files from one external hard drive to another. It starts out copying files, but after 10 minutes or so it stops and I get the error 8062. The hard drive tech support says the problem is in my Macbook Air.

I cannot copy my doc and photos and videos from one external hard drive to a second external hard drive -- both plugged in to my MacBook Air -- I get Error 8062 and the copying (which seemed to be going on for 10 minutes) stops and nothing gets copied.
As any Macbook Air owner knows, there is SO LITTLE storage capacity on the computer that you have to back up big files onto an external hard drive to avoid getting the other annoying error that says you have no more memory/storage capacity/whatever the proper term is, and you cannot use the computer.
Backstory: Before this error cropped up, I had backed up lots of files to an external drive and then removed them from my computer. But then the external hard drive got corrupted and I could not access my entire photo library. Had to pay $850 to Kroll Ontrack to recover those files. I have now bought 2 new external 1 Terrabyte hard drives as protection against another such disaster. BUT I cannot copy the files from the first hard drive where all my reovered files now sit, to another backup hard drive.
Feeling vulnerable. Please help.
SusaninNY

From the menu bar, select
 ▹ System Preferences ▹ Energy Saver ▹ Power Adapter
and uncheck the box labeled Put the hard disk(s) to sleep when possible, if it's checked.
If the drive has more than one interface (USB, FireWire, Thunderbolt, eSATA), try one of the other interfaces.
Check that the data cable is securely inserted at both ends.
Try a different cable.
If you're connecting the drive through a hub, connect it directly to a built-in port on the Mac.
If you're connecting it directly, try a different port.
Disconnect all other devices on the bus, or as many as possible.
Test the drive with another Mac. Test another drive with this Mac.
If the drive is bus-powered, but has an AC adapter, connect the adapter.
Start up in Safe Mode and test.
If the drive doesn't work under any of the above conditions, and if another drive does work with the same Mac, then the drive has failed. You may be able to salvage the mechanism by removing it from the enclosure and installing it in another one, or in a drive dock.

Importing .mxf Files from an external hard drive...

Any advice or tips would be greatly appreciated. My problem comes close to others discussed, but I haven't been able to find a duplicate post. And I apologize for the length; I just want to give you as much info. as possible (I also put details in my signature) to help you help me.
I shot a short film using Panasonic's HVX200 camera, filming in HD 720p/24p, and downloaded each P2 card through a PC laptop into a LaCie Brick external hard drive. I was originally planning on editing the footage with Adobe Premiere Pro 2.0, but became frustrated with how much trouble it was having handling the .mxf files. Assured by Apple salespeople that FCP 5 would have no problem importing the footage from an external hard drive, I purchased the computer described in my signature.
Now I know that FCP/Apple only supports importing footage from the P2 card directly, and not from an external hard drive. A representative from ProMax.com was able to help me out, however. First, he had me copy the footage files onto my Mac internal drive from the external hard drive. Then, he had me select IMPORT -> PANASONIC P2. Then, I was to highlight the CONTENTS folder and import away. And it worked... sort of.
There are two major problems: 1) During this transfer, not all of the footage is making it across. I import it, and then get the much-talked about "one or more P2 clips failed to import; probable incomplete or corrupt clips" warning. After checking the original video folder on the internal hard drive and comparing it to the number of clips FCP imported, I learned that I had lost around 20 clips/video files at one point. Other shooting day transfers worked completely smoothly with all of the files imported (we split up the footage by shooting day, without touching or changing the CONTENTS folders). So, some transfers work and some don't. And 2) When I try to import the files from our 4th day of shooting, I get a "Selected path does not contain a P2 volume." Nothing is imported.
So, that's my situation, and I'm getting very desperate. I know that I'm not doing things in the Apple-supported way, but I'm really hoping there's still someway to successfully get the files from the external hard drive into FCP completely. It seems to work some of the time.
Final notes: When importing, I make sure to import the entire CONTENTS folder. There is never a LASTCLIP.TXT file listed under it in the window, but some of the days of footage have transferred perfectly, so I'm hoping that's not a dealbreaker. If it is, isn't there some way to rebuild a lastclip.txt file? I don't even know if that's the issue. And one last note: In most of my folders, the "CLIP" folder has a number of files in it. In the 4th day's footage that I can't import at all, I noticed that the CLIP folder is empty. And on the days where FCP isn't importing all the files (like I mentioned above), there isn't a CLIP file for every single VIDEO file. Could this be the main problem? Along this line, is there a way to somehow put the footage on the external hard drive back through a p2 card and then into the Mac?
Okay, I'll stop typing. Thank you so, so much for any help.
Tom
PowerMac G5 (Dual 2.3 GHz) Mac OS X (10.4.6) Quicktime 7.1.1 - Final Cut Pro 5.1 - Aforementioned External Hard Drive: LaCie Brick (FAT 32 based)
PowerMac G5 Mac OS X (10.4.6)

The problem didn't turn out to be as complicated as I had thought. The process I described above ended up working fine, and I'll explain how. And this is a cool workaround, because the AppleCare helpers told me that they didn't think it would work (FCP P2 import is only supported straight from the P2 card/viewer or the camera).
I hooked up my external hard drive to the Power Mac G5, and copied the files and folders onto my internal scratch disk. Then, I opened FCP and chose IMPORT -> Panasonic P2. I chose the "CONTENTS" folder for each day's filming, and imported them in, no problems. There was no visible "lastclip.txt" file shown (under the "CONTENTS" folder or anywhere else), but this didn't seem to cause any problems.
The reason that not all of the footage was bring imported (the aforementioned "one or more P2 clips failed..." warning) was because we were missing clip files (in the CLIP folder) corresponding to certain video files (in the VIDEO folder). Luckily, we had just forgotten to transfer all of them from the original external hard drive, and once we transfered them completely, FCP could read all the video files. FCP needs a clip file for every video file in order to make it work (that's why our aforementioned "Day 4" could not be read; we hadn't copied all of the clip files over with the video files).
Even after we did this, we STILL were getting the "one or more P2 clips..." warning for our Day 5. After taking a look at all the folders, we figured out that there were still more files in the VIDEO folder than in the CLIP folder, even after we transferred them all over. Finally, we figured out what had happened. For some reason, some of the audio files for some of the clips had been included in the VIDEO folder for our Day 5. There is no way we did this accidentally; somehow, the HVX200 placed some of the audio files into both the VIDEO and AUDIO folders. And FCP was trying to read those as video files, and therefore couldn't find the corresponding clips in the CLIP folder. After making sure that those audio files were also in the AUDIO folder, we simply deleted them from the VIDEO folder and stopped getting the "failed to import" warning.
Final thing to share: If we had actually been unable to find the corresponding clip files in our original external hard drive, we had also found a potential solution (that we didn't end up needing to try). You can record from FCP back onto the P2 card, in the hopes that the clip files would be regenerated when you re-import it into FCP. I received a PDF file about this process, and I'm not sure how to put it up on the page here. If interested in this described process (which, again, I can't fully vouch for), feel free to email me at [email protected] and I can forward it to you.
Hope this helps.
PowerMac G5 Mac OS X (10.4.6)
PowerMac G5 Mac OS X (10.4.6)

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Thank you for great advice re SuperDuper.
You wasnt to know we didnt live in USA. We will try to get the full retail version of Leopard off the net. We will also phone round the apple resellers.
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CCLIANA wrote:
My sister is trying to rename a file on an external hard drive...
What is the File...?

Corrupted Master File Table on External Hard-Drive(NTFS)

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