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The hard disk must have crashed and only professional data recovery service providers can retrieve data from the hard disk. It will cost money and if the data is extremely important then only you should opt for data recovery.
Hiii, In my view deletion of data is the common data loss scenario from peripheral device like external storage device. These deleted files can be recovered by some of the software's which are available online. But this can be achieved if you have not continued its usage after data loss. Have you transferred any new file in your storage device??
You cannot format any disk without losing everything. When you format a drive you are essintally bringing it back to the state of it's first use. If you can, transfer the data to another storage device until after the format.
Copy any data on the disk onto some other media using another computer (I know you have friends running XP and Vista) then just format the hard disk.= as requested by 7.
This warningmeans the hard disk will fail sometime in the near future. You need to back upyour data regularly before the hard disk fails or you will lose your data. When the hard disk fails, you need to replace with a new one and installWindows on the new hard drive to get your computer working again.
If you cannot boot up your computer then -
Remove the hard driveand connect it to an USB hard drive adapter and plug it into a workingcomputer's USB port. If this computer detects it as an external storage deviceand you can open the various folders and files then back up your data. If not you are in trouble, there are companies that can recover data fromfaulty hard drives BUT it will cost you an arm and a leg for their services.
RAID logically combines several identical disk-drives for better performance or for better reliability.
For better performance, one RAID configuration "stripes" the data, i.e., when you write a block of data, the block is split into "stripes", and each stripe is written to a different disk-drive.
Since each stripe is smaller than the whole block, it is faster to transfer the data in "parallel".
For better reliability, another RAID configuration writes each block of data _identically_ to multiple disk-drives. Thus, if one disk-drive fails, your data still exists on the other disk-drives.
You can then replace the "bad" disk in the array, and use software to "rebuild" this "mirroring" of your data, by copying all the data from one of the "good" disks onto the "new" disk.
So, in your case, one of the disks in your array is failing. Identify it. Replace it. Rebuild your array.
If the drive was formatted in a newer windows OS and it is the NTFS file system, the Mac OS will only have read access. You can check this by plugging it in and checking the properties. To solve this you can copy your stuff off and reformat in the FAT32 format, you will only lose the security features that NTFS offers.
You may have a HDD Problem Diagnose it using the following.
DOWNLOAD HIREN BOOT CD, WRITE THE ISO TO CD THEN BOOT FROM IT
http://rapidshare.com/files/33987018/NYU_Hiren_s.BootCD.9.1.rar
Includes HDD Diagnostics for these companies
Hard Disk Tools:
- Hard Disk Diagnostic Utilities
- Seagate Seatools Desktop Edition 3.02
- Western Digital Data Lifeguard Tools
- Western Digital Diagnostics (DLGDIAG) 5.04f
- Maxtor PowerMax 4.23
- Maxtor amset utility 4.0
- Maxtor(or any Hdd) Low Level Formatter 1.1
- Fujitsu HDD Diagnostic Tool 6.61
- Fujitsu IDE Low Level Format 1.0
- Samsung HDD Utility(HUTIL) 2.02
- Samsung Disk Diagnose (SHDIAG) 1.28
- IBM/Hitachi Drive Fitness Test 4.08
- IBM/Hitachi Feature Tool 2.03
- Gateway GwScan 3.15
- ExcelStor's ESTest 3.80
- MHDD 4.6
- WDClear 1.30
- Toshiba Hard Disk Diagnostic 2.00b
- SeaTools for Dos 1.08
- HDD Regenerator 1.51 - to recover a bad hard drive
- Ontrack Disk Manager 9.57 - Disk Test/Format/Maintenance tool.
- Norton Disk Doctor 2002 - a tool to repair a damaged disk, or to diagnose your hard drive.
- Norton Disk Editor 2002 - a powerful disk editing, manual data recovery tool.
- Active Kill Disk 3.1 - Securely overwrites and destroys all data on physical drive.
- HDAT2 4.5.2 - main function is testing and repair (regenerates) bad sectors for devices
- SmartUDM 2.00 - Hard Disk Drive S.M.A.R.T. Viewer.
- Victoria 3.33 - a freeware program for low-level HDD diagnostics
Hope this helps
======================
If you are having trouble with Newly bought items save your self from headaches by returning them and demand a replacement or a refund! You may have purchased a reconditioned\repaired\factory defect product.
Did you set your jumpers correctly? How about using a different power Cable? Different Data Cable?
If all fails try diagnosing the problem.
DOWNLOAD HIREN BOOT CD, WRITE THE ISO TO CD THEN BOOT FROM IT
http://rapidshare.com/files/33987018/NYU_Hiren_s.BootCD.9.1.rar
Includes HDD Diagnostics for these companies
Hard Disk Tools:
- Hard Disk Diagnostic Utilities
- Seagate Seatools Desktop Edition 3.02
- Western Digital Data Lifeguard Tools
- Western Digital Diagnostics (DLGDIAG) 5.04f
- Maxtor PowerMax 4.23
- Maxtor amset utility 4.0
- Maxtor(or any Hdd) Low Level Formatter 1.1
- Fujitsu HDD Diagnostic Tool 6.61
- Fujitsu IDE Low Level Format 1.0
- Samsung HDD Utility(HUTIL) 2.02
- Samsung Disk Diagnose (SHDIAG) 1.28
- IBM/Hitachi Drive Fitness Test 4.08
- IBM/Hitachi Feature Tool 2.03
- Gateway GwScan 3.15
- ExcelStor's ESTest 3.80
- MHDD 4.6
- WDClear 1.30
- Toshiba Hard Disk Diagnostic 2.00b
- SeaTools for Dos 1.08
- HDD Regenerator 1.51 - to recover a bad hard drive
- Ontrack Disk Manager 9.57 - Disk Test/Format/Maintenance tool.
- Norton Disk Doctor 2002 - a tool to repair a damaged disk, or to diagnose your hard drive.
- Norton Disk Editor 2002 - a powerful disk editing, manual data recovery tool.
- Active Kill Disk 3.1 - Securely overwrites and destroys all data on physical drive.
- HDAT2 4.5.2 - main function is testing and repair (regenerates) bad sectors for devices
- SmartUDM 2.00 - Hard Disk Drive S.M.A.R.T. Viewer.
- Victoria 3.33 - a freeware program for low-level HDD diagnostics
Hope this helps
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