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class="clearwoflex"></div> </div> </div> <div> <div class="row-blue row-section"><div class="section"><ul class="page-title"> <li> <div class="page-title-main"> File Recovery after Re-installing Windows </div></li> </ul></div></div> <div class="row-section page-height-info"><div class="section"> <div class="social-share"> <a target="_blank" href="https://www.facebook.com/sharer.php?u=https://www.r-studio.com/File_Recovery_after_Reinstalling_Windows.shtml" title="Share on Facebook"><img src="/images/social/fb-share32.png"/></a> <a target="_blank" href="https://twitter.com/intent/tweet?url=https://www.r-studio.com/File_Recovery_after_Reinstalling_Windows.shtml&text=File%20Recovery%20after%20Re-installing%20Windows" title="Share on Twitter"><img src="/images/social/tw-share32.png"/></a> <a target="_blank" href="http://pinterest.com/pin/create/button/?url=https://www.r-studio.com/File_Recovery_after_Reinstalling_Windows.shtml&description=File%20Recovery%20after%20Re-installing%20Windows" title="Share on Pinterest"><img src="/images/social/pt-share32.png"/></a> <a target="_blank" href="http://www.reddit.com/submit?url=https://www.r-studio.com/File_Recovery_after_Reinstalling_Windows.shtml&title=File%20Recovery%20after%20Re-installing%20Windows" title="Share on Reddit"><img src="/images/social/reddit-share32.png"/></a> </div> <p class="text"> Sometimes, it happens. Mysteriously, Windows appears freshly installed on some other <a rel="noopener" target="_blank" href="https://www.r-studio.com/What-is-Logical-Disk.html">logical disk</a> than the one that was actually planned. Moreover, that particular disk contained very important files that are accessible no more and getting those files back becomes now the most urgent task. Well, this task can be solved using special data recovery programs such as <a rel="noopener" target="_blank" href="https://www.r-studio.com/">R-Studio</a>. This article will explain in detail how to do that. </p> <p class="text"> <b>Preliminary information.</b><br/> We begin with some brief information about how Windows stores files on a disk and what happens with them when someone makes a fresh Windows install on that disk. (If you need more information about that, please refer to our article <a rel="noopener" target="_blank" href="https://www.r-studio.com/file-recovery-basics.html">File Recovery Basics</a> which discuss this subject more thoroughly.) We need this information to understand what can be recovered and how that can be done. </p> <p class="text"> Almost all modern operating systems, (including Windows, MacOS, and Linux), store information about files and folders, like file names, sizes, time stamps, and exact physical locations of the file data, separately from the file data itself. Modern OS in the Windows family, like Windows XP, 7, 8/8.1, 10 use disks with the NTFS <a rel="noopener" target="_blank" href="https://www.r-studio.com/What-is-a-File-System.html">file system</a>, where such information about files and folders is kept in the Master File Table (MFT). </p> <p class="text"> When an OS manipulates files, it usually make changes to the information about the files and leaves file data unchanged until it needs that disk space for something, such as storing new file data. So, if even such file information is gone, there are chances that the file data still remains on the disk. But if any data on the disk is overwritten, then the old data is gone. No program or commercially available data recovery method can recover it. </p> <p class="text"> There are two methods that all file recovery software uses:<br/> 1. Analysis of that file information on the disk. Quite often it is possible to find file some remnants of the information on old files (usually a copy of old MFT), and recover them with all their information like file names, time stamps, or even with the entire file and folder structure.<br> 2. A raw file search. It works by analyzing the contents of the disk for "<a rel="noopener" target="_blank" href="https://www.r-studio.com/What-is-Raw-File-Recovery.html">file signatures</a>". File signatures are common patterns that signify the beginning or end of a file. Almost every file type has at least one file signature. This second data recovery method can recover file data with greater success than the first method, but it cannot reconstruct the original file names, date/time stamps or the entire folder and file structure of the disk. Another drawback of this method is that can recover only un-fragmented files. If necessary, you may create <a rel="noopener" target="_blank" href="https://www.r-studio.com/creating-custom-file-type-r-studio.html">your own known file types</a>. </p> <p class="text"> Now we'll look on what happens when a fresh Windows install takes place and on prospects to recover files.<br> <b>An important note:</b>Even if they may seem not much impressive, it's still worth trying to perform file recovery, taking into account that R-Studio allows its users to perform all file recovery tasks, except saving recovered files, in its Demo mode, that is, without buying the program. In this mode you may estimate what can be recovered and whether the results are worth the money you'll spend. Sometimes file recovery results appear much better than expected. </p> <p class="text"> <i>Case 1. New Windows has been installed on the same and one partition on the disk:</i><br> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_01.png" width="513" height="92" alt="New Windows has been installed on the same partition"/><br/> <b>Fig.1. New Windows has been installed on the same partition</b><br/> <i>Click image to enlarge</i> </p> <p class="text"> Such an install replaces the old Windows system files with the new ones and deletes old user files. What is worse, it completely overwrites the old MFT with a new one, thus <a rel="noopener" target="_blank" href="https://www.r-wipe.com/computer-privacy-and-identity-theft-protection.html">fully destroying all file information</a> about them. Also data for some old user files may be overwritten by new Windows system files, but usually those overwritten files are few, provided that no new user files has been written. </p> <p class="text"> So, we may expect that most files that can be recovered will be recovered using the raw file search, that is, only un-fragmented, and without their file names and other information. With luck, there may be some remnants of the old file information scattered on the disk that can be used to recover some files with their names and other information. Almost for sure the entire old file/folder structure cannot be recovered. </p> <p class="text"> <i>Case 2: The disk has been divided into two new partitions, and new Windows has been installed on one:</i><br> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_02.png" width="513" height="92" alt="Disk has been repartitioned: two new partitions instead one old partition. New Windows has been installed on new Partition 1."/><br/> <b>Fig.2. Disk has been repartitioned: two new partitions instead one old partition. New Windows has been installed on new Partition 1.</b><br/> <i>Click image to enlarge</i> </p> <p class="text"> We can expect the same results for file recovery as for Case 1, taking into account the fact that there's additional, and usually small, area on the disk that is also overwritten: </p> <p class="text"> Most files that can be recovered will be recovered using the raw file search, that is, only un-fragmented, and without their file names and other information. With some good luck, there may be some remnants of the old file information scattered on the disk that can be used to recover some files with their names and other information. Almost for sure the entire old file/folder structure cannot be recovered. </p> <p class="text"> <i>Case 3: The disk has been repartitioned: a new one partition instead of two old ones. New Windows has been installed on it:</i><br> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_03.png" width="513" height="92" alt="Disk has been repartitioned: a new one partition instead two old ones. New Windows has been installed on a new Partition 1."/><br/> <b>Fig.3. Disk has been repartitioned: a new one partition instead two old ones. New Windows has been installed on a new Partition 1.</b><br/> <i>Click image to enlarge</i> </p> <p class="text"> We can expect the same results for file recovery from old Partition 1 as for Case 1: <br/> Most files that can be recovered will be recovered using the raw file search, that is, only un-fragmented, and without their file names and other information. With some good luck, there may be some remnants of the old file information scattered on the disk that can be used to recover some files with their names and other information. Almost for sure the entire old file/folder structure cannot be recovered. </p> <p class="text"> The situation is quite different for old Partition 2: most likely the old file information can be found, and all files can be recovered with their names and other information. Moreover, the entire old file/folder structure can be successfully recovered. </p> <p class="text"> <i>Case 4. New Windows has been installed on one partition of the disk with two partitions:</i><br> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_04.png" width="513" height="92" alt="New Windows has been installed on a new Partition 1"/><br/> <b>Fig.4. New Windows has been installed on a new Partition 1.</b> <i>Click image to enlarge</i> </p> <p class="text"> We can expect the same results for file recovery from old Partition1 as for Case 1:<br/> Most files that can be recovered will be recovered using the raw file search, that is, only un-fragmented, and without their file names and other information. With some good luck, there may be some remnants of the old file information scattered on the disk that can be used to recover some files with their names and other information. Almost for sure the entire old file/folder structure cannot be recovered. </p> <p class="text"> Old Partition 2 will appear in new Windows as a new Partition 2 with all its file system intact. No file recovery is needed as the old files with all file/folder structure will be completely accessible through new Windows. </p> <p class="text"> <b>File recovery example</b><br/> As an example, we'll discuss user's file recovery for Case 3, as it also covers Cases 1, 2, and 4. </p> <p class="text"> There was a Windows computer with a hard disk divided into two partitions, with user's files stored on both. Files were JPG, MP3, and video. The computer ran under Windows 8.<br/> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_05.png" width="284" height="272" alt="User files on Windows 8. Disk C:"/>           <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_06.png" width="277" height="287" alt="User files on Windows 8. Disk D:"/><br/> <b>Fig.5. User files on Windows 8</b><br/> <i>Click images to enlarge</i> </p> <p class="text"> During an erroneous Windows 10 fresh install, the <a rel="noopener" target="_blank" href="https://www.drive-image.com/fixing-Windows-update-error-0x80070643.html">disk was repartitioned</a> from two partitions to one, and Windows 10 was installed on the new, and the only, partition. The task is to recover user's files from both old partitions. </p> <p class="text"> <i>Before we begin we need to do some preliminary work</i><br/> 1. We'll use a startup disk with R-Studio Emergency for file recovery to avoid installing the program (and thus overwriting some old files) to the computer from which we're going to recover files. If this device is large enough to store recovered files, it's possible to use it for this purpose as well. </p> <p class="text"> 2. If the device with R-Studio isn't large enough, we need to prepare a place to store recovered files. Depending on their expected size, it may be another memory stick, an external USB drive, or even a network storage device. </p> <p class="text"> 3. Download and install <a rel="noopener" target="_blank" href="https://www.r-studio.com/Data_Recovery_Download.shtml">R-Studio Emergency Startup Media Creator</a>. Use another computer for that to avoid writing new data to the computer with the new Windows. Run the Creator and create a USB startup device. Then it asks to register, you may skip that step and work in the Demo mode. </p> <p class="text"> Now we're ready to start file recovery. </p> <p class="text"> <b>File recovery</b><br/> 1. Start the Windows computer with R-Studio Emergency startup disk.<br/> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_07.png" width="360" height="200" alt="R-Studio Emergency startup"/><br/> <b>Fig.6. R-Studio Emergency startup</b><br/> <i>Click images to enlarge</i><br/> Select R-Studio Emergency GUI (Graphic Mode) and press the Enter key on the keyboard. </p> <p class="text"> When R-Studio Emergency finishes loading, it'll show the computer's disks. </p> <p class="text"> 2. Inspect the found hard disks and partitions.<br/> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_08.png" width="512" height="384" alt="Computer's disks in R-Studio Emergency"/><br/> <b>Fig.7. Computer's disks in R-Studio Emergency</b><br/> <i>Click images to enlarge</i> </p> <p class="text"> 3. Select the hard disk with new Windows and click the Scan button.<br/> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_09.png" width="512" height="384" alt="Disk scan parameters"/><br/> <b>Fig.8. Disk scan parameters</b><br/> <i>Click images to enlarge</i><br/> Click the Change button and leave only NTFS selected. Check that the Extra Search for Known File Types option is selected, too. Select Save to File and specify the external USB disk as the place to store scan information. It may be necessary to load it back if we have to interrupt file recovery process.<br/> You may read more about scan parameters in R-Studio's on-line help: <a rel="noopener" target="_blank" href="https://www.r-studio.com/Unformat_Help/discscan.html">Disk Scan</a>.<br/> Then click the Scan button. </p> <p class="text"> R-Studio will start scanning showing its progress. <br/> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_10.png" width="512" height="384" alt="Disk scan"/><br/> <b>Fig.9. Disk scan </b><br/> <i>Click images to enlarge</i> </p> <p class="text"> When R-Studio finishes the scan, it'll show some found partitions<br/> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_11.png" width="512" height="384" alt="Disk scan results"/><br/> <b>Fig.10. Disk scan results</b><br/> <i>Click images to enlarge</i><br/> As expected, R-Studio found all the information about old Partition 2 and nothing about old Partition 1. We'll start file recovery from old Partition 2 as it's easy to find all files on it. </p> <p class="text"> 4. Double-click the partition and R-Studio will enumerate its files and show its file/folder structure.<br/> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_12.png" width="512" height="384" alt="Files found on old Partition 2"/><br/> <b>Fig.11. Files found on old Partition 2</b><br/> <i>Click images to enlarge</i> </p> <p class="text"> Now we need to decide if R-Studio Emergency can recover files from this partition and therefore should we buy it and register.<br/> Go to the Photos folder and double-click a file to preview it.<br/> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_13.png" width="512" height="384" alt="File preview"/><br/> <b>Fig.12. File preview</b><br/> <i>Click images to enlarge</i><br/> If such preview is successful for several files, you may buy R-Studio and <a rel="noopener" target="_blank" href="https://www.r-studio.com/Disk_Recovery_Articles/Install_Uninstall_Win/">register it</a> to be able to start saving recovered files. </p> <p class="text"> 5. Select files you want to recover and click the Recover Marked button. <br/> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_14.png" width="512" height="384" alt="File recovery parameters"/><br/> <b>Fig.13. File recovery parameters</b><br/> <i>Click images to enlarge</i><br/> You may see more about <a rel="noopener" target="_blank" href="https://www.r-studio.com/Unformat_Help/basicfilerecovery.html">file recovery parameters</a> on R-Studio's online help.<br/> Specify the place to store recovered files and other parameters (if necessary) and click the OK button. </p> <p class="text"> R-Studio will start recovering files and showing its progress.<br/> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_15.png" width="512" height="384" alt="File recovery progress"/><br/> <b>Fig.14. File recovery progress</b><br/> <i>Click images to enlarge</i> </p> <p class="text"> When this recovery process finishes, we may start file recovery from old Partition 1. Here the situation is much more tricky as R-Studio could not find any traces of old Partition 1 and we have to rely only on file recovery using file signatures. </p> <p class="text"> 1. Go back to the Device tab and double-click Extra Found Files. R-Studio will show found files sorted by their types.<br/> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_16.png" width="512" height="384" alt="Files found by their signatures from old Partition 1"/><br/> <b>Fig.15. Files found by their signatures from old Partition 1</b><br/> <i>Click images to enlarge</i> </p> <p class="text"> 2. Go to JPEG Digital Camera folder and double-click several files to see if it's possible to recover them.<br/> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_17.png" width="512" height="384" alt="File preview "/><br/> <b>Fig.16. File preview</b><br/> <i>Click images to enlarge</i><br/> As there are many files to recover and they don't have their original names, it would be too long to decide which files should or shouldn't be recovered. We'll recover all necessary folders and sort recovered files later. </p> <p class="text"> 3. Mark the necessary folders for recovery and click the Recover Marked button.<br/> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_18.png" width="512" height="384" alt="Folder marked for recovery"/><br/> <b>Fig.17 Folder marked for recovery</b><br/> <i>Click images to enlarge</i> </p> <p class="text"> 4. Specify the place to store recovered files and other parameters as we did that for file recovery from old Partition 2, click the OK button and wait for recovery results. After that just turn the computer off and see what is recovered. </p> <p class="text"> <b>File recovery results</b><br/> Now we can go to the disk with recovered files and inspect the results of our work.<br/> <img class="big" style='text-align: center' src="/Disk_Recovery_Articles/File_Recovery_after_Reinstalling_Windows/File_Recovery_after_Reinstalling_Windows_19.png" width="341" height="255" alt="Disk with recovered files"/><br/> <b>Fig.18 Disk with recovered filesy</b><br/> <i>Click images to enlarge</i><br/> As expected, we have recovered all files from old Partition 2. For old Partition 1, the situation is not as good. 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href="/data-recovery-feedback/">feedbacks</a> <br /> Rating: <span itemprop="ratingValue">4.8</span> / <span itemprop="bestRating">5</span> <meta itemprop="worstRating" content = "1"> </span> <meta itemprop="telephone" content="(888) 978-8266"> </span> </div> </div> <div class="feedbacks-wrapper clearfix"> <div class="feedbacks-right"> <a href="https://www.r-tt.com/Feedback.shtml?product=Data%20Recovery" title="Add your input"> <span class="btn-add-big btn-add-white"></span> </a> </div> <div class="feedbacks-left jhscroll-container"> <div class="jhscroll-area feedbacks-scroll-area"><div> <div class="feedbacks-items"> <div class="feedbacks-item"> <div class="feedbacks-text"><div> I have used R-studio with USB Stabilizer,Rapid-spar,Deep spar, Pc3000, MRT.I am thoroughly satisfied.Now i have made head maps to isolate bad heads of hard disk when used with mounted disks. </div></div> <div class="feedbacks-info"> <span class="feedbacks-rating"> <span></span><span></span><span></span><span></span><span></span> </span> <span class="feedbacks-author"> <a href="/data-recovery-feedback/">Simran Arora (Data recovery factory mumbai)</a> </span> </div> </div> <div class="feedbacks-item"> <div class="feedbacks-text"><div> I was completely lost. My Mac seemed to have eaten my 4TB external USB drive - was formatted APFS encrypted. The volume just disappeared while running and I had to reboot and when it came back the volume could not be unlocked / mounted natively. I tried a whole heap of methods (https://github.com/libyal/libfsapfs/, drat and many others) to no avail. R-Studio data recovery was able to recover the entire volume - a complete life saver, worth every cent! </div></div> <div class="feedbacks-info"> <span class="feedbacks-rating"> <span></span><span></span><span></span><span></span><span></span> </span> <span class="feedbacks-author"> <a href="/data-recovery-feedback/">James Haworth-Wood (EADIT Security Solutions)</a> </span> </div> </div> <div class="feedbacks-item"> <div class="feedbacks-text"><div> I really love your R-Studio product, I am doing Data Recovery as a professional, I used RS since the early versions and I loved the product, as far as I can tell, R-Studio, especially the Tech Version (but including the standard) is one of the best and excellent tools for a pro to have in the arsenal of tools in a pro DR lab, especially combining with the specialized Data Recovery hardware providers like DeepSpar, and PC3000, the rest of `wannabees` out there are waste of time, strongly recommend </div></div> <div class="feedbacks-info"> <span class="feedbacks-rating"> <span></span><span></span><span></span><span></span><span></span> </span> <span class="feedbacks-author"> <a href="/data-recovery-feedback/">Michael Avraham (OmniDataPlus Data recovery and repair)</a> </span> </div> </div> <div class="feedbacks-item"> <div class="feedbacks-text"><div> I lost more than 200K files from my NAS due to a mistake. I tried 3 different recovery solutions over the 4 TB raid disks, and all of them performed ok but to be honest none of them were able to Raw recover the files and rename them with meaningful names out of the Metadata like R-TT did, then I was able to sort again my files and pictures and kind of restore all of them. <br /> <br />R-TT may not be the easiest or most user-friendly solution, but the algorithm used for the renaming saved me THOUSAND of hours of opening ... </div></div> <div class="feedbacks-info"> <span class="feedbacks-rating"> <span></span><span></span><span></span><span></span> </span> <span class="feedbacks-author"> <a href="/data-recovery-feedback/">Cesar reyes</a> </span> </div> </div> <div class="feedbacks-item"> <div class="feedbacks-text"><div> Just recovered my old ext4 partition with R-Studio after trying testdisk and R-Linux without success. That partition was overwritten by another ext4 partition and I was losing my hope until I tried R-Studio demo. It detected all my files and directories again! <br /> <br />Bought it and 100% recommend it for anyone with a similar issue. </div></div> <div class="feedbacks-info"> <span class="feedbacks-rating"> <span></span><span></span><span></span><span></span><span></span> </span> <span class="feedbacks-author"> <a href="/data-recovery-feedback/">Edgar Endo</a> </span> </div> </div> </div> </div></div> <div class="jhscroll-bar"><div></div></div> </div> </div> </div> <script type="text/javascript" charset="utf-8"> function scrollGetArea(Container) { if (!Container) return null; var aAreas=nodeFindChildren(Container,".jhscroll-area");if ((!aAreas)||(aAreas.length!=1)) return null; aAreas=nodeFindDirectChildren(aAreas[0],"div");if ((!aAreas)||(aAreas.length!=1)) return null; return aAreas[0]; } function scrollGetBar(Container) { if (!Container) return null; var aBars=nodeFindChildren(Container,".jhscroll-bar");if ((!aBars)||(aBars.length!=1)) return null; aBars=nodeFindDirectChildren(aBars[0],"div");if ((!aBars)||(aBars.length!=1)) return null; 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