When you create new files, install new programs, or require more drive space, the drive will begin to use that newly open real estate for the new file(s). When the file is marked with a beginning 0 bit, the drive will understand that new data can be stored in its block location. In under an hour, I was able to recover everything with a free data recovery tool. On top of the files being deleted, the entire drive was reimaged with Windows 7. Recently, I was able to recover deleted PDF files that were created back in 2015 and deleted in late 2016. If there are bits following the initial bit, it will do its best to recover them. Many of those tools are often free and will be able to scan a drive to detect files with a beginning 0 bit. The rest of the bits following the initial bit remain unchanged.Īny knowledgeable computer technician would know of a tool that could be used to recover deleted files. When you empty out the recycle bin, the operating system will change the first starting bit to a 0, telling the drive that the space on the drive is open real estate for new files. When a file is present on your drive, it will always begin with a 1. There are thousands to billions of bits depending on the file, and they make up the file that is stored on the drive, where 1 indicates ON, and 0 indicates OFF.
But just because you can’t see it, doesn’t mean it’s truly gone.Ī file on your computer consists of a bunch of 1s and 0s, known as bits.
When you are certain that you no longer need that file, you can clean out the recycle bin, and the file will appear to vanish from your computer. It may be gone from your view, but the bits that make up the deleted file still remain on the drive.ĭeleting a file first sends the file to the recycle bin where it will remain untouched and unaltered just in case you change your mind and want to restore the file. Just because you’ve deleted a file on your hard disk drive (HDD) or solid-state drive (SSD), doesn’t mean it’s been removed for good.
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