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Windows 7: Trouble UNinstalling Ubuntu and installing Windows Ult. 7 32bit

20 Jul 2011   #51
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

Quote   Quote: Originally Posted by Britton30 View Post
Late to this party, does clean all delete Linux code or not?

Speaking strictly of the MBR, some say yes and some say no, I guess it depends on how you look at it, though (to me) if bootable software is used to over-write every sector of the HDD/SSD then EVERY sector has been over-written.


Secure Erase / Wipe : Definition and Methods





My System SpecsSystem Spec
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20 Jul 2011   #52
mjf

Windows 7x64 Home Premium SP1
 
 

Quote   Quote: Originally Posted by theog View Post
Clean all will not delete all linux code.
According to this Clean all does wipe all the disk.
DiskPart Command-Line Options
I can't see how even the trickiest Malware could survive let alone linux. It would require very "specialized" equipment to recover the data.
My System SpecsSystem Spec
20 Jul 2011   #53
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

Quote   Quote: Originally Posted by mjf View Post

According to this Clean all does wipe all the disk.
DiskPart Command-Line Options
I can't see how even the trickiest Malware could survive let alone linux. It would require very "specialized" equipment to recover the data.


click to enlarge
Trouble UNinstalling Ubuntu and installing Windows Ult. 7 32bit-clean-all.jpg


My System SpecsSystem Spec
.

20 Jul 2011   #54
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Thanks Ted and mjf.
Back to our regularly scheduled thread.
My System SpecsSystem Spec
20 Jul 2011   #55
mjf

Windows 7x64 Home Premium SP1
 
 

Quote   Quote: Originally Posted by Bare Foot Kid View Post
Quote   Quote: Originally Posted by mjf View Post

According to this Clean all does wipe all the disk.
DiskPart Command-Line Options
I can't see how even the trickiest Malware could survive let alone linux. It would require very "specialized" equipment to recover the data.


click to enlarge
Attachment 166089

Read under all
The way I read it the top bit refers to "Clean" without the "all"

When I've done this in the past and check with a Hex editor everything is zeroed.
In fact if you want to clean just the MBR or the full first track just run "clean all" for a little while then terminate it.

If you want to be extra cautious open up a Hex Editor and simply zero the first 512 bytes.

@ Britton30
Isn't this directly related to the thread discussion?
My System SpecsSystem Spec
20 Jul 2011   #56
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

No, I was asking about something other than uninstalling Ubuntu. Relating to the other thread you both kindly replied to.
My System SpecsSystem Spec
21 Jul 2011   #57
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Quote   Quote: Originally Posted by Britton30 View Post
Late to this party, does clean all delete Linux code or not?
NO, Clean All will not delete all Linux code.

When Linux has been on a HD.

Clean HD
1) Clean all & full Format

2) Install Windows.

3) On windows installers first reboot, GRUB will pop-up.

4) On windows installers last reboot, NO GRUB.
My System SpecsSystem Spec
21 Jul 2011   #58
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

Quote   Quote: Originally Posted by mjf View Post
Quote   Quote: Originally Posted by Bare Foot Kid View Post
Quote   Quote: Originally Posted by mjf View Post

According to this Clean all does wipe all the disk.
DiskPart Command-Line Options
I can't see how even the trickiest Malware could survive let alone linux. It would require very "specialized" equipment to recover the data.


click to enlarge
Attachment 166089

Read under all
The way I read it the top bit refers to "Clean" without the "all"

When I've done this in the past and check with a Hex editor everything is zeroed.
In fact if you want to clean just the MBR or the full first track just run "clean all" for a little while then terminate it.

If you want to be extra cautious open up a Hex Editor and simply zero the first 512 bytes.

@ Britton30
Isn't this directly related to the thread discussion?
I wasn't confused with the differences between the " clean " and " clean all ", I was confirming what you said, and if you want to just over-write the MBR use the clean command.
My System SpecsSystem Spec
21 Jul 2011   #59
mjf

Windows 7x64 Home Premium SP1
 
 

Quote   Quote: Originally Posted by Bare Foot Kid View Post
I wasn't confused with the differences between the " clean " and " clean all ", I was confirming what you said, and if you want to just over-write the MBR use the clean command.
I misinterpreted your statement.
But I still think the "clean" without the "all" doesn't wipe the code section of the MBR according to the guidelines. I check myself sometime.

@Theog
Apart from living in the HDD firmware, can you explain your statement that linux components survives a "Clean all" command.

Mind you I have not checked each byte of a HDD to check that "Clean all" does what the documentation says it does.
My System SpecsSystem Spec
21 Jul 2011   #60
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

Quote   Quote: Originally Posted by mjf View Post
Quote   Quote: Originally Posted by Bare Foot Kid View Post
I wasn't confused with the differences between the " clean " and " clean all ", I was confirming what you said, and if you want to just over-write the MBR use the clean command.
I misinterpreted your statement.
But I still think the "clean" without the "all" doesn't wipe the code section of the MBR according to the guidelines. I check myself sometime.

@Theog
Apart from living in the HDD firmware, can you explain your statement that linux components survives a "Clean all" command.

Mind you I have checked each byte of a HDD to check that "Clean all" does what the documentation says it does.

Thanks!
My System SpecsSystem Spec
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 Trouble UNinstalling Ubuntu and installing Windows Ult. 7 32bit




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