emc@2932 Posted April 18, 2016 Share Posted April 18, 2016 Recently, I was able to wipe the entire C drive clean before returning the PC to the company. I clicked on "Entire drive (All data will be erased) and Advanced Overwrite (3 passes). The wipe took quite a while; I was pleased to see that when it was competed, the entire drive was clean. I just tried using Drive Wiper on another computer but when I try to access the above actions, nothing happens, C is not highlighted. Don't understand the concept of "Free Space Only." Don't know what free space is or why I would want to wipe clean space that's empty. Your help on how to be able to do the total drive wipe, as I did before, will be very much appreciated. ec Link to comment Share on other sites More sharing options...
Moderators Nergal Posted April 18, 2016 Moderators Share Posted April 18, 2016 you've never been able to completely wipe a live windows system drive. Think about it logically Ccleaner is doing the wipe To run ccleaner on Windows you must be in a Windows session. How can ccleaner wipe not only its own existence (if it runs from the c drive) and the universe in which it resides (Windows Operating System) Free space is any space on the drive that is not being used by live (non-deleted) files. So any previously deleted will be overwritten. This is something you would want to do before "returning the PC to the company" Here would be the Routine I suggest for return assuming you want no data of yours to be given to them (I'm assuming "the company" is giving the PC to another user after you) 1: Reinstall windows as a clean install wiping out all old data (depending on the Windows version this is called multiple different things on the windows installer). 2: Defragment the Windows (Windows defragmenter will work fine, or Defraggler portable if you prefer) 3: download to a memory stick or external drive ccleaner portable 4: Wipe Free space, one secure overwrite with MFT option enabled should be enough to thoroughly make your computer safe for resale/reassignment ADVICE FOR USING CCleaner'S REGISTRY INTEGRITY SECTION DON'T JUST CLEAN EVERYTHING THAT'S CHECKED OFF. Do your Registry Cleaning in small bits (at the very least Check-mark by Check-mark) ALWAYS BACKUP THE ENTRY, YOU NEVER KNOW WHAT YOU'LL BREAK IF YOU DON'T. Support at https://support.ccleaner.com/s/?language=en_US Pro users file a PRIORITY SUPPORT via email support@ccleaner.com Link to comment Share on other sites More sharing options...
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