[Discuss] delete windows user data from dead laptop

[johnhall2.0 at gmail.com (John Hall)]

Rich,  I was afraid of that. I am getting errors trying smartmontools with
the sata to usb interface from best buy.
System file corruption is a possible cause of the 0xc000021a stop code that
was indicated.
I need to look at the drive adapter and see if I can identify the chip that
was used.
Is it unlikely to be the ssd if I've copied it without any errors and a
consistent read speed?
What is your favorite rescue image? Debian cinnamon is not starting but I
don't have any read write volume in the sytem.


On Mon, Feb 26, 2024 at 8:50 AM Rich Pieri <richard.pieri at gmail.com> wrote:

> On Mon, 26 Feb 2024 01:30:55 -0500
> John Hall <johnhall2.0 at gmail.com> wrote:
>
> > Ok So this is odd. I figured I'd look. dd is cpu bound ! WEIRD!
> >  104909 root      20   0    6628   1248    756 R  73.2   0.0 228:02.10
> > mount.ntfs
> >  105003 root      20   0    5540     96      0 S  32.5   0.0
> > 101:36.29 dd And mount.ntfs taking more cpu than dd! Wow. That is
> > surprising, and ridiculous.
>
> Not really. The NTFS driver is a FUSE module and it is very much CPU
> bound. If the partition is encrypted then that's more CPU needed.
>
> Regarding scrubbing sensitive data: unfortunately for you, the only way
> to reliably do that on flash-based SSDs is to issue the ATA secure
> erase command which will zero out the whole drive. But if the
> partitions are encrypted then throwing away the keys (clear/reset TPM
> for bitlocker keys) should be sufficient for most use cases.
>
> --
> \m/ (--) \m/
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