How to delete operating system from hard drive windows 7




















Then download the disk manager and follow the steps below to see how to remove Windows from old HDD. Step 2. You can upgrade to Professional edition to unlock the other 3 wiping methods. Note : The 4 wiping methods provides different wiping times and levels. You can decide which one is better for you. It is more suitable for deleting data from a personal storage device. Step 3. In the pop-up window, you can view the pending operation. This is how to remove Windows 10, 8, 7 from old HDD. On my personal computer, as you see, there are six partitions in total.

If I plan to wipe all partition data without affecting the operating system, I need to go through two sections. Next, we will show you how to wipe a hard drive without deleting Windows.

Step 2. Select the volume or partition you need to wipe or erase, and click "Next" to continue. Step 3. Step 4. Click "Wipe" to confirm and permanently erase all data from your selected partition again. Step 5. Wait patiently, when the wiping process finishes, click "Done" to end the task. NOTE: Since each time you can wipe one partition, so it's going to take you equal time to handle all the disk partitions.

In my case, I should repeat another four times of the three steps. If you can not find any reference to it, contact the Manufacturer for advice on how to make those Recovery Disks. If it does require phone Activation, do not follow the Auto Prompts , but hold on for a real person to explain to as to what has been done for re-installation purposes.

I have the same question Report abuse. Details required :. Cancel Submit. LemP Volunteer Moderator. Connect the removable device to your computer and make sure it can be recognized by Windows. Install and run DiskGenius from your PC and you can see all local disks and portable devices on the main interface.

Select the external hard drive or SD card you want to erase data, and select " Erase Sectors " option under Tools menu. Select items to fill disk sectors and click Erase button on the popped-up window. There are four options to fill disk sectors in the drop-down list, i.

You can either choose one from "00, FF and Random Data", or specify item to fill disk. DiskGenius asks confirmation for the action, click Erase button to continue.

Since the process wipes data permanently, you should make sure you are erasing correcting disk and important files have been backed up. Step 6. The disk eraser starts wiping data on selected drive and the process may take long time if the disk has very large capacity. In this example, you can learn how to wipe a computer's main hard drive where Windows is installed. Operating system does not allow to erase system while it is running, and we can only wipe non-system partitions.

The following steps show how to reboot computer to WinPE version directly and then erase system disk. Launch the free disk wipe tool DiskGenius from your Windows computer. It takes about two minutes to create booting information for Windows PE, please wait it to complete with patience. Once the application is ready to reboot, it prompts to restart and backup data.

Click " OK " button and computer reboots. Select computer's system hard drive where Windows is installed and click " Erase Sectors " option which can be found under Tools menu. Click Erase button and the software starts wiping the disk.

Note: Once the process finishes, the computer cannot boot to system, as system partition have been erased. You need to make a clean system installation on the hard disk. Case 3: Wipe a single file or folder on hard drive. Erasing an entire hard drive takes too much time, and you don't have to do that if you just want to erase certain existing files on the disk.

On account that deleting files by emptying Recycle Bin does not wipe data complete, we should do extra operation to make files unrecoverable. Files deleted in this way cannot be recovered by any recovery software or professionals. Let's have a close look at how to wipe files and folders:. Launch DiskGenius again, and locate files you want to permanently delete. Select those files and right-click them to choose " Delete Files Permanently ". Click " Permanently Delete " button on the popped-up window.

In order to completely delete the file, the application will refill hard drive sectors taken by the file during deletion. By default, it overwrites data by filling zeros which can be modified to random data as well. Click " Delete " button to confirm the action to be done. Case 4: Erase deleted files only without affecting existing data.

Erasing free space on hard drive overwrites lost files, which does not disturb existing files on the disk. This solution applies to those who just want to overwrite lost files only in order to make lost data unrecoverable.

Select characters to overwrite disk space and click " Erase " button. The application starts cleaning unused disk space, which takes long time if free space is very larger. Physically destroying a hard drive is also a solution to ensure data is forever unrecoverable.



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