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Posted on May 08, 2011
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I backed up files from computer to external hard drive and when i go to use files from external hard drive it dos not read any of the files. How can i reformat the external hard drive with out losing the data on there or will I have back up data again after.

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Jeffrey Groves

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  • Posted on May 08, 2011
Jeffrey Groves
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Unfortunately, it is impossible to reformat a drive and not lose the data that is stored on it.
I would suggest formatting the drive as NTFS if you are using Windows or HFS if you are using a Mac and then use the software that was included on the drive to backup your computer.
Be sure to copy the software that came ON the external drive to your computer before reformatting. If you are unable to find the software on the drive, you will have to buy the software from Memeo or contact Western Digital for assistance: http://www.memeo.com/choose_backup.php

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1helpful
1answer

Can i transfer information to a mac

If the external hard drive has been formatted on a PC in NTFS file format then the MAC cannot read data off this hard drive.
The FIX..
Connect the USB external hard drive to a Windows computer and copy your data off this hard drive to the computer.
Then format the external hard drive in FAT32 file format. (the MAC can read and write to data to and from a Windows PC)
Now copy the your data from the computer back onto the external hard drive.
Now you can connect the external hard drive to the MAC and download your data to the MAC.
tip

How to Convert NTFS External Hard Drive to FAT32?

My friend Michael bought an external hard drive last month, yesterday he ran to me and ask how to convert external hard drive from NTFS to FAT32 safely and easily? I was so curious about why does he want to convert NTFS to FAT32; he said NTFS partition can't be read by DOS system. Since protecting data and files, I recommend him to convert external hard drive from NTFS to FAT32 with a third-party software-AOMEI Partition Assistant, which can convert hard drive from NTFS to FAT32 without data loss.

To computer users, NTFS and FAT32 are not strange. But seldom of them can tell what the difference between them. NTFS and FAT32 to partition are what DOC and TXT to text. In text, the file with DOC format can't be read by TXT application. Similarly, in some condition, not all files in different formatted partition can be read by same application. First, you'd better know some knowledge about NTFS and FAT32.

A Brief introduction of NTFS and FAT32

About FAT32

FAT 32 is one of partition format in windows system. It has 32bit file table, which strengthen FAT32's management to partition, and break through the limitation of 2GB space in every partition. Since the production cost of hard drive decreasing, the volume capacity is increasing. After applying FAT32 partition format, a big volume hard drive can be definite as a partition but not be divided into multiple partitions. It is good for management to hard drive. Now, FAT32 is replaced by NTFS.

About NTFS

NTFS is standard file system after Windows NT, 2000, XP, server 2003, server 2008, Vista, and 7. It replaces FAT to offer file system for Microsoft. NTFS make advanced on FAT and HPFS, such as to support metadata.
The difference between NTFS and FAT
As mentioned above, NTFS and FAT both are file system. However, NTFS is produced late than FAT32, but NTFS is more advanced in technology. In summary, the specific distinction are following below:
NTFS can support up to 64GB single file and 2048GB partition. FAT32 supports up to single file with 4GB and partition with 32G.
NTFS does not need Defragment your hard disk.
NTFS support to compress partition, folders and files.
NTFS takes a little cluster, which can help to manage space of hard drive effectively, and avoid wasting space of hard drive at the most extent.
In NTFS partition, you can share sources, folders and set access permissions on files. It is more secured than FAT32 partition.
How to know which partition format is suitable for you
As mentioned above, NTFS and FAT32 have its own advantages. When we choose which file system, you should consider the factors below:
Computer is installed with single system, or multiple systems.
The number and capacity of local installed hard disk.
Whether has consideration about security or not.
If computer is installed single system, and there is security to consider, you can select FAT32. Or NTFS is not bad choice absolutely.
Why need to convert NTFS External Hard Drive to FAT32?
NTFS and FAT32 are two different types of file systems, and both of them are commonly used and contain different characters. You may make conversions between the two types, and here we got several cases that you need to convert external hard drive to FAT32:
If your external hard drive is formatted in NTFS, you would not be able to access some files from DOS mode or Windows 9X, then you need to covert external hard drive to FAT or FAT32.
NTFS can't be recognized by many devices, such as Xbox 360, PS3, etc. in that case, you have to convert the external hard drive to FAT32 so that it can work with your devices.
There are more situations in which you need to convert external hard drive to FAT32, and there are different ways which you may realize the goal.
Methods to convert NTFS External hard drive to FAT32
At present, there are two main ways that you may convert external hard drive to FAT32, one is to convert to FAT32 with Windows built-in Disk Management, and another one is to convert to FAT32 with third-party software like AOMEI Partition Assistant. Let's see the details:

Method1: Convert an External Hard Drive by reformatting

1. Open the Disk Management in Windows.
2. Right click on the external hard drive and select "Format..." in the drop-down menu.
3. Select "FAT32" in the "File system" line and then choose "Quick format".
4. Finally click "Start" to format, and this process may cost you minutes.
Note: If the drive is larger than 32GB, the "FAT 32" option would be invalid and once format, the information or data in the external hard drive will disappear. So, backup the data or partition if necessary and you need to know how to convert hard drive larger than 32GB into FAT32.

Method2: Convert an External Hard Drive without formatting

You can download the third-party software to convert external hard drive from NTFS to FAT32, what is the most advantage is that convert NTFS to FAT32 without data loss. Comparing with disk management in computer, the third-party software will save your time and money. You don't need to buy other external hard drive to store data, just for converting partition format. Of the third-party software, AOMEI Partition Assistant is good choice. The specific introduction of how to convert NTFS external hard drive to FAT32.

As a kind of advanced partition software, AOMEI Partition Assistant can easily convert an external hard drive to FAT32, and you can also convert an external hard drive larger than 32GB into FAT32. This software is running well with Windows platform including Windows 2000, XP, Vista, Windows 7 and Windows 8. Both 32-bit and 64-bit Windows editions are supported. With its help, you need no to format your external hard drive and thus you can convert NFTS to FAT32 without data loss. Now, you may download AOMEI Partition Assistant Pro Edition and have a try.

source from
How to Convert NTFS External Hard Drive to FAT32
on Dec 29, 2017 • Computers & Internet
3helpful
2answers

How to remove Recycler in my Computer? pls help

recycler is one type of virus...

as my experience some of anti-virus cannot remove it from your system...

you can't delete it automatically,
format is what i recommend to you...
0helpful
1answer

My new 500 G external hard drive seems to limit the file size under 5 G. Is there somewhere I can reset this to larger file size?

A disk may be formatted using different file systems. The ones used by Windows PCs are FAT32 (an extension of the old MS-DOS FAT) and the newer NTFS.

If the drive is formatted as FAT32, the maximum file size is 4.294 million bytes (some systems report this as 4.294 GB; it is actually 4 GB minus one byte).

If this is the case (Start -> Run Command -> DISKMGMT.MSC and look for your external drive, it will say something like 489 GB NTFS or 489 GB FAT32), my suggestion is to back it up somewhere else and reformat it as NTFS. There also are utilities to convert FAT32 into NTFS, but if anything goes wrong during the conversion, you can say goodbye to all your data.

Note that you won't be able to access a NTFS formatted external drive except from Windows PCs (and most Linux, usually read only), while FAT32 disks are readable from Mac OS X too.
2helpful
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1helpful
1answer

I cannot copy files FROM my Western Digital 500GB

Hi,

Check the file system of your hard drive. If your PC is recognizing it, check if its a FAT or NTFS. If it is NTFS then you have to reformat it using your Mac and choose FAT. Mac OS recognizes NTFS as a read only drive. If you plan using it with your PC and MAC you should format it using your mac and choose MS-DOS in disc Utility. You cannot format the drive using your PC Computer with a FAT file system because of the capacity. Only Mac can format it with a FAT file system.
3helpful
1answer

Plugged neso 320gb into macbook but its not

Hi,

Check the file system on the hard drive. It might be in an NTFS. Mac recognize NTFS as read only drive.

If you plan using it with PC and Mac you should format it using your mac thru disc utility and choose MS DOS.

0helpful
1answer

Write only

hi the dos /command line is "attrib -r-a-s-h *.*" will change the attributes on all files in the current directory

Regards Alan Alstech

5helpful
2answers

Format Hard Drive Error

If the unit detects any form of Hard Drive Error it asks you to format the drive. Connect the unit to your PC and run ScanDisk or DOS Chkdsk on the drive. Will help to rectify any issues with the FAT. Windows XP & 2000 Running Check Disk Utility (ChkDsk) ? HARD DRIVE mode only If you still have problems with the file system on your AV 500 you can try to fix it using the DOS utility, check disk (chkdsk). Do the following; ? Make sure external AC adapter is powering the AV 500. ? Quit all running applications. ? Properly connect the AV 500 to your computer ? Wait patiently (up to 5 minutes) for Windows XP to show the local drive as mounted. ? Open a DOS window. Programs > Accessories > Command Prompt. ? At the prompt, type chkdsk e: /f . Use e: or f: or whatever drive letter is representing your AV 500. The /f argument tells the program to automatically fix errors. ? Be patient, this may take a while. ? When finished, exit the DOS Window and properly disconnect the AV 500 from your computer. Now try using the device. DO NOT try to defrag the drive. Let us know how you get on.
0helpful
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DEVICE HAS'' READ ACCESS ERROR-CANNOT READ FROM HARD DISK''

If you have problems with the file system on your Gmini you can try to fix it using the DOS utility, check disk (chkdsk). Do the following; ? Make sure external AC adapter is powering the Gmini. ? Quit all running applications. ? Properly connect the Gmini to your computer ? Wait patiently (up to 5 minutes) for Windows XP to show the local drive as mounted. ? Open a DOS window. Programs > Accessories > Command Prompt. ? At the prompt, type chkdsk e: /f. Use e: or f: or whatever drive letter is representing your Gmini. The /f argument tells the program to automatically fix errors. ? Be patient, this may take a while. ? When it is finished, exit the DOS Window and properly disconnect the Gmini from your computer. Try using the device now and see if makes any difference. If not you could try formatting it using a DOS prompt.
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