Full format and reinstall Win 7 without boot disc


I have an HP G62 laptop which came pre-installed with Windows 7. I would like to fully remove all data on the HDD and reinstall Windows 7.

The 'Computer' section of the Start button shows the following HDD (not sure if these are partitions or not, but I'm assuming that they are!):

Local Disk ( C: )
Recovery ( D: )

I had a quick look at the D: drive and it showed a few setup files, all of which seem to be related to MSOFFICE. :-?

I have been reading about data destruction programs that will absolutely wipe the drive and remove all data; I would like to do this and then reinstall Windows 7 so that the laptop effectively becomes a 'new' one.

I'm hoping to sell this off on eBay before buying a new one! :-)

Could someone please advise me on the following:

1. How do I go about formatting the HDD with a data destruction program and then reinstall Win 7, since I do not have a bootable disc?

2. How reliable are such data destruction programs? Is there any margin of error? (I am a bit concerned about all the sensitive information that I have saved on my laptop such as bank details, family photos, etc.)

Thank you for your replies!


10 answers Last reply
More about full format reinstall boot disc
  1. The official ISOs are available here

    Download the appropriate version and follow the directions to install with your CD key
  2. Any thoughts on the data destruction programs?

    I'm a bit of a tech-newbie, so any advice on this would be great!

    Edit: I do not have a CD Key. :-/
    Would the method described on that link actually do a full wipe of the hard drive?

    Thanks again.
  3. How to Use DBAN

    Darik's Boot and Nuke (DBAN) is a self-contained boot disk that securely wipes the hard disks of most computers. DBAN automatically and completely deletes the contents of any hard disk that it can detect, which makes it an appropriate utility for bulk or emergency data destruction.

    DBAN's website is http://www.dban.org/.
    How to Use DBAN to Securely Erase a Hard Disk Drive

    Turn on computer and boot from the DBAN CD.
    The DBAN application opens. DBAN is a simple, text-only application.
    You will see a boot: prompt and a menu of options.
    Press the Enter key to start DBAN in interactive mode.
    DBAN continues to boot. This will take a few moments.
    You will see a screen listing Options, Statistics, and Disks and Partitions.
    Leave the defaults for Options.
    From the Disks and Partitions list, select the hard drive you want deleted.
    Move the cursor up and down using the J and K keys, and select the drive with the Spacebar.
    When the drive you want to erase is selected, press F10 to start the wipe.
    The time required to wipe your drive will depend on the size of the drive. DBAN offers an estimate on the Statistics pane.

    cornell it ^
  4. Local Disk ( C: )
    Recovery ( D: )
    HP_TOOLS ( F: )

    Warning DBAN will completely wipe all contents on the HDD. ^
  5. Use the recovery partition on the hard drive to wipe and re-install windows 7.Press F11 on start up and follow the instructions.
  6. SR-71 Blackbird said:
    Local Disk ( C: )
    Recovery ( D: )
    HP_TOOLS ( F: )

    Warning DBAN will completely wipe all contents on the HDD. ^

    Im assuming that this will remove all the partitions?
  7. Yes it will wipe it clean and i mean military class clean.You can use the HP RECOVERY to put it back to factory state,if you don''t want the extreme overwrite of DBAN.
  8. I only use DBAN when selling a computer with a hard drive that has no OS.
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