Wipe Hard Drive and Get a Clean Disk
Although we have known the importance of private data and "Delete" button on the keyboard or "Recycle Bin" on the desktop don't really make data clean, most of us, according to a study base on the status of mobile devices, hard disk drives and solid state drives that were sold on Amazon, eBay and Gazelle.com, performed a basic delete, yes, that's to simply press "Delete" key or right-click to Delete or Drag the file to the recycle bin. To be more specific, the number is 444,000, files that are retrieved from 35 percent of the used hard disk drives and solid state drives, and 48% of which contained residual data. Thousands of leftover emails, call logs, texts/SMS/IMs, photos and videos can be tracked from them.
So we updated our thoughts on personal data with these findings, but how to make sure the disk is clean when we want to sell or giveaway old ones?
Use professional Data Erasure and Data Destruction Software, overwrite each sector on the disk with secured wiping scheme is the grantee of a clean disk. We'll show you how to clear a disk in Macrorit Data Wiper:
Step 1 Download this program, install or portable edition are both available, 32 or 64 bit are packed in together in one zip file; choose one to run based on your system;
Step 2 Wipe free space or Wipe entire hard drive are options of this Data Wiper, both of them can permanently erase data without the ability to recover, difference is that Wipe free space on the disk will not affect system and program files that are already installed or stored in each partition; Wipe entire drive, on the other hand, will overwrite the disk and everything on it will be erased, the disk will become RAW disk and cannot be used again unless you initialize it when plugged in;
Step 3 Choose a wiping method from our listed schemes in column 2 and click Wipe Now button to continue, and then follow the guide to Wipe the disk clean;
After these steps in Data Wiper, you either get free space clean or the hard drive clean again. FYI, Data Wiper can wipe system out without bootable CD, so you can reinstall system on the disk again and rest assure to donate or sell the computer.