Delete partition or format partition: not security enough
Simply delete all the data on your hard drive is not security enough. You can spend hours going through your hard drive and delete all the files you want, but using the delete function in disk management, the Windows is just basically removes the files, making them invisible to users. Deleted files still reside on the hard drive and many options for system recovery software will assist anyone to reinstate that data.
On the other hand, format the hard drive is a bit more secure than simply delete files. Formatting a disk does not wipe data on the hard drive, only the address tables. It makes it much more difficult to recover the files. However a computer geek would be able to recover most or all the data that was on the disk before the reformat.
Compare with deleting and formatting, wipe hard drive or partition is the most useful way to prevent data recovery.
How to wipe hard drive or partition clearly
In order to ensure our information safety, wipe hard drive and partition is the most useful method. As we know the built-in disk management could only delete or format hard drive or partition, that's insecurity, especially to the company, here we introduce some partition tools to wipe entire hard drive. Through search google, you could easily find so many alternatives; the most famous are Norton Partition Magic or Partition Assistant. Here we take Partition Assistant as an example to demonstrate how to wipe hard drive or partition with the partition software.
Step1. Launch Partition Magic alternative - Partition Assistant, in the main interface select the disk or partition you want to wipe (here we choose partition F), right-click it and select "Wipe"
Step2. In the pop-up window, you could specify the number of times to wipe partition by entering the number in the blank. And then click "Ok"
Finally, do not forget to click "Apply" to commit the operations on the physics disk.
If you want to wipe hard drive, you could right click the disk you want to wipe and select "Wipe hard drive", there's a little difference betwwen disk wipe and partition wipe, if the disk contains the system partition, after you click 'Ok" the Partition Magic Software will warn you as below:
BTW, if you had already deleted the partition with built-in Disk Management or other partition tools, you could also wipe the unallocated space in order to prevent data recovery: right click the unallocated space -> Advanced -> Wipe Data.
Only a few button clicks could assist you to keep your important information from disclosing. You could free download partition magic the powerful partition software and experience its other magic, such as partition resize, hard drive copy, etc.