r/debian • u/maria08042009 • 4d ago

Help!

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I can't open one of disks on my PC, I don't know what to do. I'm not sure what could have done this. Last time I turned on PC everything was fine. Do you think the fact that PC went without electricity for nearly 24 hours? I wasn't able tot turn it off properly because of my UPS no longer working properly.

Update: I managed to copy all my data to a different disk. Problem was caused by one .odt file that was saved incorrectly due emergency incorrect shutdown of PC (thanks to my broken UPS).

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u/KlePu 4d ago

Removing a drive from a PC is not hard at all. Obviously unplug power/remove battery first ;)

Tower PC: get a screwdriver, remove two screws on the rear left to remove the left panel. Then google your disk to see what it looks like; "normal" SSDs are about the size or a pack of cigarettes, NVMe are way smaller, like your thumb but flat.

Laptop: depends on model, but there's video guides for pretty much every model nowadays.

Then, get a USB enclosure for a few bucks and see a friend who runs Windows ;)

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u/maria08042009 3d ago

Thanks, that's probably going to be last resort, but useful to know nevertheless.

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u/KlePu 3d ago edited 3d ago

Whatever you do, try to use read-only mode when accessing the troubled disk until you got a clean copy of all the data. If you do have a disk with enough free space, you could try to create a 1:1 copy and only work on that. dd can copy block data directly, you can then redirect that data to a file:

  • find a place that has enough space: df -h to get /path/to/place/with/space/ (this is a read only command, cannot do any harm)
  • check the path of your NTFS disk: lsblk -f to get /dev/sdX (this is read only as well)
  • then create the actual image: sudo dd if=/dev/sdX of="/path/to/place/with/space/my-data.img" bs=4M conv=noerror,sync status=progress && sync (this can destroy all of your data if used incorrectly ;-p)

edit: mixed up my variables, sorry <.<

If you do want to try this, I can give more detailed instructions ;)

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u/CardOk755 3d ago

df only works on mounted filesystems.

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u/KlePu 3d ago

Yep, mixed up the outputs. Corrected ;)