Deleting all computer files

The last step is to uninstall them from the laptop. The best way to erase any file from your computer is to delete them using a professional tool. In this tutorial, we will be using Disk Eraser developed by TunesBro to delete all files and folders from your laptop permanently beyond recovery. TunesBro Disk Eraser is a professional data deletion tool that completely destroys the files and folders from computer and over-write the empty space with garbage files making it impossible to recover any information from your laptop ever again.

The program has an elegant interface making it super easy to use it even for the fresh novice users. You do not need to be a computer engineer to use this tool. Simply follow the instruction mentioned in this manual and by end of this guide, all files and folders should be wiped cleanly from your laptop. Download and install the program on the laptop from which you want to delete all the information. Launch the program to see the main interface of the tool for first time.

The options provided by this program are pretty straight-forward. It offers three types of data deletion technique and we will be discussing each methods so that you can understand the benefits of each options. It is the best option to choose if you are only deleting certain information from your laptop.

Directly, select all the files and folders that you wish to remove and click on "Erase Now" to wipe all the selected files and folders from your laptop. Option 2 : Select "Wipe Hard Drive" to completely erase all content from your hard drive. This is the best option if you are selling or donating your laptop.

This option makes sure that every single information is deleted from your entire hard drive that can never recovered. Option 3 : Choose "Wipe Free Space" if you want to erase the unwanted space taken by deleted files on your hard drive. This option makes sure that the files and the space is totally compromised and it helps to create extra room on your hard drive. This post covers how files are stored, how they are recovered, why they aren't deleted permanently by default, and how to permanently delete them.

First, it is important to know how your OS places files in your hard disks. Your files are saved on the hard disk in small pieces or chunks.

Data chunks are usually scattered all over the memory architecture. File Mangers of your Operating System keeps track of your files by knowing the addresses or links to all the chunks mentioned earlier. These are called inode numbers. When you delete a file, your OS simply removes the data it has stored about these links or inode values.

What really happens when you delete a file is that the link is removed from the table in the File Manager System that's keeping track of the file.

From the explanation above, you'll observe that the data is still there. All that was tempered with are the links to the data they contain. Hard Disk Drives do not delete data, they simply overwrite them. Generally, recovery tools simply check for data without this inode values or links pointing to them on the disk in question. These recovery tools make use of complex algorithms to create files with those small data chunks.

If you've ever tried formatting your drive or USB flash, you'll notice that you were given two options; fast format and the slow format. For fast format, only the inode links are removed while the OS rewrites all the blocks multiple times with random data in the case of a slow format.

You may hit the delete button and think your file has been deleted from your device. Well, after deleting a file from your computer, it may go into the recycle bin because the dynamic link to the data was just erased —but not the data in memory.

If in the recycle bin, it could be viewed and easily restored from the recycle bin, i. So, what if a file is deleted from the recycle bin? Once a file is deleted from the recycle bin, you may think it is finally gone but actually, it isn't.

As said earlier, the link to the file's data is deleted. Files deleted from your computer can actually be recovered unless deleted with 'secure delete' tools. Files are not actually opened directly but their inodes links to their data are the ones manipulated instead. If an inode value is changed, a user cannot find the link to the file on their computer —but this doesn't mean the data cannot be found. Hence, it is necessary to protect our personal information from unauthorized hands using some technique which expertise in deleting the data permanently making you feel safe.

It is a fact that data deleted from the system is not permanently removed, it remains there on the system. Using various recovery tools, available in the market this deleted data can be recovered. This amazing module provided by Advanced System Optimizer — the free PC Optimizer that overwrites this free space and references of deleted data is required. Secure Delete makes sure that all the data in free space on the hard disk is no longer readable and recoverable.

It identifies the free spaces on the disk where the previously deleted cluster of data still exists and overwrites these spaces with random digits or patterns thus permanently wiping out the data.

Data can be overwritten several times to ensure the least chances of recovery. Designed with a user-friendly and comprehensible interface, Secure Delete keeps novice users in mind. The tool helps permanently wipe out the previously deleted files and folders, contents of the Recycle Bin, or some contents of a specific drive, leaving no probable chance for retrieval.

Note: Secure Delete should be used with full caution as files and folders deleted once cannot be retrieved using the finest of recovery utilities. The module to permanently delete files on windows comes with a very simple interface. Here we will explain each tab the functionality of each button. The Welcome screen guides walk us in a self-explanatory manner.

Firstly, you need to select the files that you want to completely wipe. For this can use Windows Explorer. Select the files and folders to be securely deleted. Each item in the list has a corresponding checkbox placed against it. To wipe out selected files and folders you need to enter the confirmation code in the box and hit Next.

This opens a new window showing the three Wipe Methods. You may keep the default Wipe Method or change it to some other depending upon the choice you make. Note: Data deleted by Secure Delete is unrecoverable. The last step shows the summary of the secure deletion process. It shows the total number and volume of files and folders wiped out from the system.

It is important to remove items from the Recycle Bin that are in it.. These items may hold critical personal information and can be easily recovered if not securely deleted. Secure Delete destroys the already deleted data of the Recycle Bin in 5 simple steps see left panel :. The items in the Recycle Bin or already deleted items from Recycle Bin should not be accessible to others.

The scan results show the number and volume of items found in the Recycle Bin which need secure deletion. A new window opens showing the three different methods. The last step shows the summary of removal. It shows the number and volume of items wiped out from the Recycle Bin. Secure Delete assists in removing the previously deleted items of the drives permanently or helps in wiping out the entire drive with all its contents or securely deletes the free space of the selected drive.

From the drop-down list, you may select the hard drive you wish to scan for the files and folders already deleted. This is important because the deleted files are actually not removed from the drive and can be retrieved easily. Secure Delete performs an extensive scan on the selected hard disk. The progress bar in the lower half of the screen shows the progress of the scan. You may then select another drive on the hard disk for conducting a scan on it.

It takes you back to the Welcome screen to initiate a scan for the remaining drives. To set a drive for default scanning, select the drive from the dropdown menu. There are three Wipe Methods provided in Secure Delete. Each method is a combination of different levels of speed and security.