I wasn't able to boot into ubuntu anymore. So I started a Live USB session, but sudo fdisk -l doesn't even show the SSD! It only shows the USB. What can I do? Is there a way to check if the SSD is broken?

  • Is the SSD visible in BIOS? – user535733 Jan 31 '20 at 13:24
  • @user535733 yes it is. I've got ubuntu as first boot entry and NVMe0 KXG5AZNV512G TOSHIBAas second boot entry, among others. – MJimitater Jan 31 '20 at 14:09
  • I noticed that booting sometimes works by chance, and sometimes doesn't. Just now i wanted to boot and got the message disc error. Press any key. – MJimitater Jan 31 '20 at 14:11
  • 2
    Well there you are: disc error. Either your SSD has become unreliable, or you have a loose connection inside the case. Nothing Ubuntu can do about either of those. – user535733 Jan 31 '20 at 15:52

Thanks @user535733, I got into contact with Lenovo and since I still have warranty, they are replacing my SSD. So its a hardware problem, not something to do with Ubuntu.

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