From: nospam@needed.invalid   
      
   On 9/13/2022 9:30 PM, Adam wrote:   
   >   
   > When booting with Ubuntu Live USB stick, I get...   
   >   
   > error: symbol 'grub_calloc' not found.   
   > Entering rescue mode...   
   > grub rescue>   
   >   
   > The same USB stick has been working fine on T420.   
   >   
   > But, on T430, it gives error.  Why?   
   >   
      
   You should find something here. Recipe rich, and too-long thread.   
      
   https://askubuntu.com/questions/1263125/how-to-fix-a-grub-boot-e   
   ror-symbol-grub-calloc-not-found   
      
   It's possible in your case, that some identifier is confused, and   
   it's not just booting from the USB stick.   
      
       Paul   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)