Formatting C but C doesn't get cleaned

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  1. Posts : 93
    windows 7 ultimate x64
       #1

    Formatting C but C doesn't get cleaned


    Usually when I format my computer I install windows 7 on C so C gets cleaned, all programs and viruses removed but when I tried to do the same yesterday C still had all of it's files on windows.old so I am afraid that the formatting was ineffective and the viruses are still around.

    When I entered windows.old I have found that it contained all of the previous files, also steam did not get deleted or moved at all. It stayed in C even after the formatting.

    What am I doing wrong?
      My Computer


  2. Posts : 19,383
    Windows 10 Pro x64 ; Xubuntu x64
       #2

    Hi,

    You havent formatted before installation. Use this guide to reinstall and pay close attention to steps 6, 7 and 8.

    Clean Install Windows 7

    Regards,
    Golden
      My Computer


  3. Posts : 93
    windows 7 ultimate x64
    Thread Starter
       #3

    The hard drive is not "unallocated", it has 16 GB out of 106 available GB.

    I did use custom (advanced) install but not drive options (advanced).

    What is my mistake?

    I currently have 2 hard drives, C and D with C having 106 GB and D 230 GB and I want C to be cleaned having all viruses there removed
      My Computer


  4. Posts : 19,383
    Windows 10 Pro x64 ; Xubuntu x64
       #4

    You need to delete the existing partition/s......see steps 6, 7 and 8 in the tutorial.
      My Computer


  5. Posts : 93
    windows 7 ultimate x64
    Thread Starter
       #5

    Alright, drive custom and choose delete or should I choose format?

    As far as I understand I use drive custom options, choose delete, select unallocated hard drive space and it will turn into C.

    Am I correct?
    Last edited by shippou; 13 Sep 2013 at 07:45.
      My Computer


  6. Posts : 93
    windows 7 ultimate x64
    Thread Starter
       #6

    Saw a video of a person formatting his computer, he deleted C, installed windows 7 on it and it worked fine.

    If I do the same the unallocated drive will become C? I ask this because I currently have 2 hard drives
      My Computer


  7. Posts : 11,408
    ME/XP/Vista/Win7
       #7

    First remove HDD 2.

    To clean install:
    1) Clean the HD Drive, using Step one in this tutorial:
    SSD / HDD : Optimize for Windows Reinstallation
    than
    2a) clean install with the OEM manufacturer's Recovery Disk.
    2b) Clean Install Windows 7
    2c) UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with
      My Computer

  8.    #8

    Always unplug all other HD's, boot the installer, delete all partitions as suggested, then create and format new as you please, or just click Next to let installer create and format and begin install.

    Other tips to get and keep a perfect install are the same as for Clean Reinstall - Factory OEM Windows 7 .
      My Computer


  9. Posts : 93
    windows 7 ultimate x64
    Thread Starter
       #9

    So I
    1) Take out my 2nd hard drive
    2) Go into drive advanced options
    3) Delete C
    4) Install windows 7 on the unallocated hard drive space
    5) Re-connect my 2nd hard drive

    Will this clean C and keep F on the computer?
      My Computer


  10. Posts : 13,576
    Windows 10 Pro x64
       #10

    Yes, but what is F ? Your dvd drive ?

    You can choose delete or you can format the install partition ( in this case C ) either way it will remove the old operating system and any data you had on it.
      My Computer


 
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