hard disk and sub flash disk issues

[Semih Ozlem]

Hi Everyone

Fist of all many thanks for sharing your knowledge and experience.

Here are the issues I am facing

(i) I accidentally turned one of the partitions on the hard disk of the
machine I currently have to linux swap. That partition contained files that
I may need to review or use later. Is there a way to recove those files and
if so how

(ii) I installed debian and ubuntu on various usb flash disks of size 64 gb
or 32 gb or even I think 16 gb not live systems but either full
installations or some persistence. Some of them broke down meaning they
wont boot or run a full system they may drop to busybox or simply refuse to
start at all. Some of those filesystems are still viewable if I start the
machine with a live system or persistence system. Can they be fixed if so
how and is it worth the effort

(iii) I have an external hard drive seagate that appears in lsusb command
but the disk does not mount or appear under blkid or lsblk even with sudo.
Can I recover that device external hard disk

(iv) I have another machine that was working with windows that no longer
recognizes its usb ports or the hard drive. One of the ports copper wires I
think got bent so I removed that usb port now the bios screen appears but
windows wont boot and the hard disk does not get recognized by the bios
this is a laptop i7 asus

the temporary machine I am running is i3 and is Casper

Any help would be great. Thanks
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