For legal practitioners who never leave their computers and keyboards every day, the most painful accidents are "not saving", unexpected power outages, system crashes, media failures, computer viruses, accidental file deletion, system upgrades, and file synchronization updates. Various reasons such as accidental termination of program operation, intentional deletion, etc. may cause damage and loss of our file data. what to do? Stupidly re-coding?
In order to efficiently retrieve important data, you must learn to use various software and hardware tools for data recovery.
Friends who follow this column know that in the last two issues of push, we gave a brief introduction to the technology of electronic data recovery, respectively explaining the differences in data storage and deletion principles between traditional mechanical hard drives and the more popular solid-state drives. Made some comparisons. Data recovery is not difficult in principle. In this issue, we will still focus on this theme and talk about common data recovery software and usage precautions based on daily work reality.
For professional electronic data recovery personnel, as long as the data is not overwritten, it is possible to recover the data. Because the actual situation varies widely, the entire recovery process will use a variety of professional equipment and software, and use special methods to achieve the best possible results. recovery target data.
However, in ordinary office life, most cases can be effectively restored by using some simple data recovery software without having to use software such as Winhex that requires professional skills. Here is a brief introduction.
EasyRecovery is a data recovery software produced by Ontrack, a world-famous data recovery company. It is very powerful and can recover lost data and rebuild the file system. It supports the recovery of data from different storage media, including: hard drives, optical disks, USB flash drives/mobile hard drives, digital cameras, mobile phones, Raid file recovery, etc. The file types that can be recovered include: documents, tables, pictures, audio and video, etc. Regardless of whether the file is deleted by the command line, or by an application or file system, it can be recovered and even the lost RAID can be reconstructed.
EasyRecovery installation steps
1. Double-click to open the installation package and click "Next"
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2. Wait patiently, installation is in progress, installation is complete, you can experience it now
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Instructions
EasyRecovery steps to recover accidentally deleted photos are as follows:
Preparation: First we need to download and install EasyRecovery on the computer, and then activate it with the EasyRecovery registration code to start the photo recovery operation.
Step 1: Select the content to recover. The main interface of the opened software is as shown in the figure below. Enter the recovery content selection interface. Here you may need to recover accidentally deleted photos, so just select the photos under the multimedia file, as shown in the figure below.
Figure 1: Select photos to recover
Step 2: Select a recovery location. After selecting the recovery content, click "Next" in the lower right corner to enter the selection position. For example, here select hard disk I as shown in the figure below.
Figure 2: Select recovery location
Step 3: Find files and folders. After confirming the recovery location, click the "Scan" button to start scanning the hard disk. Generally, no operation is required here, just wait for the scan to finish.
Figure 3: Scanning the hard drive
When the scan is completed, a window as shown below will pop up, click OK directly.
Figure 4: Scan successful prompt
Step 4: Recover accidentally deleted photos. After the scan is completed, you will enter the recovery steps as shown in the figure below. Select the photos you want to recover, right-click the mouse and select Recover; if you want to recover all, select them all and click the Recover button in the lower right corner.
Figure 5: Recover photos
Step 5: Choose a save location. After performing the recovery operation, the recovery window as shown below will pop up. Click Browse to select the save location (be careful not to save in the original directory here), and finally click "Start Saving" to recover accidentally deleted photos.
Figure 6: Select the save location
When EasyRecovery is activated, it will prompt activation failure. Please check the activation key.
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1. Check whether the serial number and software installation package are correct. Copy and paste the serial number directly, do not enter it by hand.
2. Determine whether the activation limit has been reached. EasyRecovery only provides 3 activation opportunities. Changing machines, reinstalling the system, and uninstalling and reinstalling the software will all consume the number of activations. The activation code will become invalid after the number of activations exceeds 3 times.
3. Change the network and switch the mobile hotspot when there is no other network.
4. Repair the network: Repair the network before activating and installing.
5. If you still cannot activate after the above operations, please contact the online customer service on the software page.
Principles and precautions for using data recovery software
In order to avoid "secondary damage" to the data, some rules must be followed accordingly during the data recovery process, and operations should be carried out in accordance with the prescribed procedures as much as possible.
1. After discovering data loss (such as accidental deletion), you must immediately stop all operations. It is best to force shutdown directly (long press the power button or directly cut off the power), because even if you save a WORD file that is being modified, it may The target data cannot be recovered.
2. It is forbidden to write data to the source disk that needs data recovery, including installing data recovery software on the source disk, writing the files that need to be restored directly back to the source disk, etc. Instead, use a read-only method to create the entire disk. Mirror, perform recovery operations in image files to prevent unexpected situations during the recovery process from causing greater data loss.
3. Do not do DskChk disk check. After an error occurs in the file system, the system will automatically prompt whether a disk check needs to be performed when the system boots up and enters the startup screen. By default, the DskChk disk check operation will start after 10 seconds. This operation can sometimes repair some small damaged directory files, but in many cases it will destroy data. Because the complex directory structure cannot be repaired, after the repair fails, a directory such as FOUND.000 will be formed in the root directory, which contains a large number of files with the extension .CHK, thus affecting normal data recovery.
4. When the hard disk fails and cannot be read, do not try uncertain methods (such as reformatting, rebuilding the partition table, etc.). Such operations will only make the recovery work that may have been simple extremely complicated. At the same time, incorrect operations will greatly reduce the possibility of successful data recovery.
5. It is recommended to install one or two data recovery software on the computer you use every day as a standby to deal with some simple data loss, and also to avoid temporarily installing data recovery software to write and original data to the source disk after encountering problems. Data corruption.
One final cliché
——"Hard disks have a price, but data is priceless!"
It is strongly recommended that you must develop the habit of backing up your data and ensure the absolute security of important data through multiple backup methods such as local disk, burning disk, mobile storage, network hard disk, etc.