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Apparently it's a big trouble when the hard disk happens to encounter the physical damage, and it's sad that we may have to spend much money on hiring hard drive repair service for rescuing important data. But if it's just a software or system problem like deletion, format or hard drive partition loss, etc., you can repair it completely with third-party data recovery software on your own.
 

What are the hardware failures?

Mechanical Damage - every traditional hard drive has a very fragile part called the read/write head. Because there are only 3 nanometers of clearance between the head and the disk platter, even the slightest misalignment or smallest speck of dust can result in a catastrophic head crash.
 
Manufacturing Defects - it's best if you don't trust any hard disk unless you keep up-to-date backups somewhere else.
 
Overheating - While overheating usually doesn't result in a critical failure, it often leads to data corruption and read errors.
 
Electronic Failure - Inside every hard drive is a plethora of sensitive electronic components. A sudden power failure preceded by a short power surge can literarily fry these components, rendering the entire hard drive useless.
 
Ransomware infections - In recent years, we've seen massive growth in the number of ransomware infections. Ransomware attacks don't technically corrupt files; they encrypt them.

How to repair hard disk drive error?

 
In fact, to repair the physical hard drive problem, you'll need to send your hard drive to the data recovery service. However, the logical problem can be simply repaired by the best hard drive repair software.
 
Why can lost data from hard drive be recovered? For a hard disk drive (HDD), when you empty the Recycle Bin, delete some files with Shift + Delete, performed a quick formatted on the hard disk, delete the partition accidentally or find the disk shows 0 bytes. Speaking from a technical viewpoint, you don't really delete the items. When you store or generate files on your computer, they are actually saved on specific clusters (contain sectors) of a hard drive that is attached to your PC. Once they get lost, the file system (usually NTFS) only marks the spaces where those files occupy as "deleted", telling the system that those spaces are now free to be overwritten. Then the new files will directly take the spaces without any choice. In that case, your files are completely deleted. In contrast, the files can be recovered with the best hard drive repair software.

Read more? The Best Hard Drive Repair Software for Windows
 

Effective solutions are listed in this article to help you fix the "system cannot find the file specified" error and introduces the Bitwar Data Recovery to restore data.

Notepad is a text editor that can be used to create basic files with the .txt file extension.
Sometimes, we often don't notice the management of Notepad on the computer, causing the Notepad file to be deleted or lost due to misoperation.
There are other reasons, such as sudden power failure, abrupt system shut down, unreliable third-party Utilities, software clashes, inappropriate termination of Notepad file, etc., which can also result in the loss of Notepad files.

How to Recover Lost Notepad Files?

First, check whether you have any backup of Notepad file or try restoring them by checking Recycle Bin. If you accidentally deleted or removed Notepad/text/.txt files from your PC and Deleted backup, even cleaned up the recycle bin, don't worry. You still have a chance to restore the permanently deleted text files with Bitwar Data Recovery.
 
Bitwar Data Recovery allows you to easily recover deleted, formatted, lost or accidentally deleted text documents, Word, Excel, PDF, and other important files in 3 easy steps. 

Step 1: Download and install this software on your PC in this URL: http://www.bitwar.net/data-recovery-software/.

You can also use Bitwar Data Recovery for Mac to restore lost text under macOS.
Please never install it on the drive containing lost files, for this may cause irretrievable data loss.

Step 2: Launch Bitwar software and get its main interface as follows.

Before we begin the recovery, we need to understand why the notepad files lost, and this will instruct us to choose the correct recovery module.

• Delete File Recovery：Disk data accidentally deleted files can be recovered from here.

• Formatted Hard Drive Recovery: Mistakenly formatted disk, USB drive, removable hard drives, and memory cards can be restored from here.

• USB/Memory Card Recovery: Accidentally deleted files on the USB drive, removable hard drives, memory cards, and camera card can be restored from here.

• Recycle Bin Recovery: Recycle Bin emptied by mistake or Deleted files from Recycle Bin can be restored from here.

• Lost Partition Recovery: Accidentally re-partition or Ghost installation system causes the partition lost, you can find lost partitions and files here.

• Deep Recovery: If files are not found through the above recovery mode, try Deep Recovery, it matching existing file structure in the partition can find more files, but with no file name provided, scanning will take longer.

• Read more? How to Recover Lost Notepad Files?
   

We usually use "Ctrl + C", "Ctrl + X" and "Ctrl + V" as shortcut keys to finish our work when dealing with some files. But accidents often happen. Data may get lost after a cut and before you press "Ctrl + V". So how to recover lost files during cut and paste? Here you will find the answer.

Reasons for File Loss Due to Failed Transfer of Cut and Paste Files

1. Unexpected Shutdown: Power failure is one of the most common problems that interrupt the file moving process. If your system shut down suddenly due to some reasons when you are transferring files from one drive to another one using cut paste option, then you lose all data that were being transferred from the source storage drive.

2. Improper Removal of Storage Drives: As we know, USB flash drives are frequently used to transfer data from one system to another. However, you will lose files by forcefully reject it when cut paste process is in progress.

3. Other possible reasons including abnormal system termination, hardware failure. After the file is cut, you have performed other actions before press "Ctrl + V", etc.

How to Deal with Such Problems?

• First of all, you should never rewrite the original data with any new files, otherwise, the data will disappear forever.

• Secondly, to recover your data, you need a professional software such as Bitwar Data Recovery.

You can use Bitwar Data Recovery to recover lost files during cut and paste.
It is reliable and easy to use. It can recover all sorts of data, files, and even compatible with storage devices like memory card, flash drive, and external hard drive.

Read more? How to Recover Lost Files during Cut and Paste?

Sometimes, people may accidentally format the SD card. and How to Recover Data from Formatted SD Card Free? Have you ever encounter such a situation and found it's pretty tired to find a trustful SD card recovery software to restore lost files? Relax, here's a unformat SD card freeware for you to get back lost files.

Why the formatted or deleted files from SD card are still recoverable?

Have you had such experiences to format the SD card, pen drive, digital storage medium, USB flash drive before?  Did you think the data on the SD card has gone forever? The truth is when you formatted or deleted data from the SD card, the file system just deletes the parameters of the files and marks the spaces belong to the original files as free for writing in.

Once new files were writing in and then they occupy the free spaces for sure, in addition, the file system cuts the files into several pieces and save them into different areas on the SD card, latter, it generates the specific parameters that allow users to access the files.

Thus, when you permanently deleted or formatted the SD card intentionally or unintentionally, although the data disappeared, or the SD card is looking as blank card, the segments of the file still exist there, if you think the deletion or formatting was mistaken and are willing to get back lost files, you'll have to rely on SD card data recovery software.

No one wants to experience data loss, but if you have already attempted to find a reliable SD card data recovery software for SanDisk, Lexar, Kingston, Samsung, Toshiba, Verbatim, PNY, Integral Ultima, Delkin, Transcend or Sony and found that none of them is free of charges. Don't be restless, today in this article, we will present the best tool for you to retrieve data from formatted SD card.

Formatting VS Usual deletion

It's different from usual deletion, such as using the DEL key to clean the files and send it to the Recycle Bin, in this way, you can right-click on any blank space of the SD card folder and then choose Undo Delete or open the Recycle Bin and then hit Recover.

Formatted the SD card means completely erase or wipe the SD card, in usual formatting operation, you'll receive a prompt: WARNING: Formatting will erase ALL data on this disk, to format the disk, click OK, To quit, click CANCEL. On the contrary, if the SD card was removed unsafely, you may receive prompt while connecting to the computer: You need to format the disk in the drive before you can use it.

However, you cannot use again the Undo Delete to recover data from formatted SD card, because there's no such option for you to choose, anyway, SD card data recovery software can help! It was designed to recover photos, documents, video, audio, archive files on the SD card for you! Most importantly, there's an SD card freeware at an affordable price after an initial free trial, which is Bitwar Data Recovery we would like to present to you.

Read more? How to Recover Data from Formatted SD Card Free?

How to use the Best SD card data recovery software mac to recover data from formatted SD card or recover data after accidental deletion?
 

As we all know the SD card uses flash memory chips in it to store our favorite movies, music, or important documents, archive files. What if one day we mistakenly deleted files on the SD card or formatted the SD card completely? Do we still have the chance to get back our precious data on the SD card? The answer is yes, we would like to suggest you read this article thoroughly and carefully, and it's better to bookmark this article in your browser for later use.

The best solution to recover data from formatted SD card

No matter intentionally or unintentionally formatted, the SD card has been completely wiped out. However, the SD card data recovery software has the ability to scan the formatted SD card deeply to find existing files. It even offers a convenient interface for you to preview the formatted files on SD card and supports you to recover single or multiple files. You can visit recover data from formatted SD card tutorial to get more information.

Steps to recover data from formatted SD card

Tips: Before installing the software to your computer, we would like to remind you that don't install the software to your SD card and stop using your SD card right away in order to prevent new data writing in that must cause data overwritten.

Read more？Best SD Card Data Recovery Software Mac with Free of Charges

accidentally overwrote a file and saved it, is there any way that can help me to recover overwritten files? don't worry. This article will show you where do overwritten files go and how to recover overwritten files.
 
Overwriting or replacing a file is no longer a new problem to most Windows users. Yet, it's still a tough issue for most users to resolve. So where do overwritten files go and how to restore overwritten files?

Where do overwritten files go?

We know when the files are deleted, formatted, or lost from the computer, it still exists and be only marked with "deleted" on disk space, but the disk space occupied by the file data is marked as "idle". In this time, although we can't see these files, the files are still "staying" on the disk. And As long as the new file is not created after deleting the file, the file still exists.
 
However, if the location of the file is occupied or partially overwritten, the possibility of the file being recovered is not high. Even though, it is not impossible to be restored.

How to restore overwritten files?

As you can see, there are too many users asking for help on how to restore overwritten files. To fix this issue, here below we will introduce 3 possible overwritten data recovery solutions. Although there are no guarantees your files can be reinstated, it's worth trying. 

Method 1. Find and recover overwritten files from Temp files

Usually, while we are editing a Word or Excel file, the Office will automatically create some temporary files in a specific location on Windows PC.
Each time, when the Office application automatically saves a file, it will create a temp file and the file won't overwrite the previous one. So if you overwrote or replaced an Excel or Word document, you can try to find the overwritten file from.TMP file:
 
1. Follow the temp file folder location on your PC and find the Excel/Word temp files with.TMP extension:
           ● For Windows 7 users:
              C:\Users\name\AppData\Roaming\Microsoft\Excel\ or C:\Users\name\AppData\Roaming\Microsoft\Word\

           ● For Windows 8/10 users:
              C:\Users\\AppData\Local\Microsoft\Office\UnsavedFiles\
2. Locate and find the temporary excel or word files begin with "$" or "~" and end with ".TMP", select the right Excel/Word temp file by date, then copy and save to another safe spot by changing the extension from.TMP to .XLS/.XLSX or .DOC/.DOCX.
 
After this, you've successfully recovered the overwritten Excel or Word files on your windows and you can continue using them on your PC again.

Method 2. Retrieve overwritten files from the Previous Version

About another methods，please read: Where Do Overwritten Files Go and How to Recover Them

Are you troubled by not knowing how to recover deleted data in Windows 7? Here you will find a Best Windows 7 data recovery software--Bitwar Data Recovery to restore the deleted data.

Are you trying to find a Best Windows 7 data recovery software to restore deleted files？Do you want to use it to help you out of data dilemma? How do you lose your data? What may cause data loss problem?

Reasons for data loss under Windows 7:

• Some people like to use "Shift + Delete" button when they want to remove a file or folder from the computer.
• Some people keep the habit of regular emptying recycles bin to clear up some junk file.
• And sometimes, people just accidentally deleted some files from external storage devices such as USB flash drives, pen drives, memory cards, SD cards, etc.

Folders or files deleted in these situations will be permanently deleted and you can only recover them from the Windows Data Recovery Software. Nowadays, There are many kinds of data recovery software. However, only a few of them can actually do some credible job at getting your files back. But don't worry! Bitwar Data Recovery will solve your data restore problems. Bitwar Data Recovery is a quick and easy recovery tool which is designed to deal with all complicated data loss situations like deleted recovery, format recovery, data recovery after virus attack, Partition missing, raw error and more.

Read more? Best Windows 7 Data Recovery Software to Restore Deleted Files​