I have a user with an external hard drive that is no longer recognised: the drive letter does not appear in My Computer.The drive is a Western Digital My Book Essential Edition (WD2500C032)With help from the, we have deduced that the most likely cause is a damaged or corrupt partition.We have looked at the drive in Disk Management and the full volume appears as unallocated. We have also run in recovery mode and that didn't turn up any defects, so the drive seems otherwise unharmed.We would like to attempt to recover the data on the drive, and the WD site suggests 'With a damaged partition, there is data recovery software that may restore the data.
Partition Recovery. Partition Recovery, a built-in feature in MiniTool Partition Wizard, is able to recover lost partitions from IDE disk, SATA disk, SCSI disk, mobile hard disk, and other types of disk. Flexible Scanning Range. Full Disk: scan the entire disk. Unallocated Space: scan free space only. Specified Range: scan specified sectors. How to Restore Deleted or Lost Partition on Windows Using CMD Step 1 Right-click the Start menu and choose Disk Management to view which disk is unallocated. Step 2 Right-click Start Menu click Command Prompt. Step 3 Type in the command line: list volume and hit Enter. Step 4 Type in.
You can research the various kinds on the internet.' Not exactly the most helpful advice!A quick search on Google yields a myriad of potential candidates, mostly commercial. The sheer number of offerings out there is bewildering. So can anyone offer any recommendations or experiences? Is it even worth trying?
Have you ever successfully recovered a damaged partition on a drive, external or otherwise? Do not attempt any recovery of a HDD while it's still in an enclosure.Cut that sucker out if you need to and plug it in directly via IDE or SATA.Best software for partition recoveryBest software for file recoveryI've succesfully used both several times a year with clients who get nuked drives.On a drive that may have 'bad' or 'damaged' sectors it is highly recommended to do a clone of the problem drive onto a new drive using.
There are a couple of 'dd' based programmes. That one is the best.Check theDuplicating the disk and working on the new one will improve your chances of success due to possible mechanical failure of the problem drive during recovery.Or if you just want to do it on the problem drive then run a Seatools test which is fine for any brand drive (they each have thier own progs but this is best):. Seagate SeatoolsAll the programmes mentioned are available on livecd's. Below is a good list. TestDisk did the trick: it was indeed a partition gone AWOL. Your suggested apps are really great - solid, simple, utilitarian.
Just how I like 'em. I couldn't make use of CloneZilla because, as far as I can gather, it requires a partition to operate on and it couldn't find one.
Confession: I didn't remove the drive from its enclosure. While I would ordinarily take your advice, my instincts suggested that it wasn't a fault with the controller.
It just didn't feel like circuitry gone wrong. Having said that, we are going to replace the drive ASAP.:-)–May 12 '09 at 14:23. To answer the question title and since it's not tagged Windows I figured I'd throw in this for completeness:If this was on a Mac, and the drive was formatted for HFS+ (standard for most Mac drives) or FAT32 I'd recommend the following steps:. Open Disk Utility.app in /Applications/Utilties. See if the partition is simply unmounted or if Disk First Aid will fix the issue - use Verify Disk first. Try - it's a mainly one trick pony that any sys admin who works with Macs should know about because it works.
If you need to do File Recovery try using.
How to Fix Lenovo OneKey Recovery Damaged PartitionLenovo Hard Disk Partitions Code are:.Recovery is DE94BBA4-06D1-4D40-A16A-BFD50179D6AC.System is C12A7328-F81F-11D2-BA4B-00A0C93EC93B.OEM is BFBFAFE7-A34F-448A-9A5B-6213EB736C22.Reserved is E3C9E316-0B5C-4DB8-817D-F92DF00215AE.Recovery is DE94BBA4-06D1-4D40-A16A-BFD50179D6AC.Primary is EBD0A0A2-B9E5-4433-87C0-68B6B72699C7Here's the script from the video:Are you facing issue of Lenovo onekey recovery partiton has damaged?or it's just not working when you boot for recovery. It does have a simple solutions which involves few commands in command prompt.First of all, please be known that this issue arise when you use EASUS partition recovery to resize your partitions or to divide it.Hence what EASUS does, is it mess up partition flags and then your laptop is not able to recognize the recovery partition.
Hence, the solution i found out is very easy:Open command prompt with administrator access:Now run command - DISKPARTNext: LIST DISKUsually it'll show only 1 hard if you're using laptop and has no external hard disk connected and it's disk no. Would be '0'.Since mine disk no was also '0', hence next command is:SEL DISK 0Then next command is:LIST PARTThis command shall show you a list of partitions you have in your PC or laptop like this:If you notice, partiton 1 is being shown as OEM, rather it should beRecoveryPartition 2 as System is OKPartition 3 as OEM is OKPartition 4 as Reserved is also OKPartition 5,6 and 7 are Primary, as this space i am using already. Hence are OK.Now our biggest culprit is partition 8 which is actually a Recovery partition and is being shown as OEM.