Thanks for looking into this! $ iucode-tool -S iucode-tool: system has processor(s) with signature 0x00050654
So, yes, you did the conversion correctly. BTW we are using legacy MBR boot mode in case this matters? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1854764 Title: Dell 5280 hangs on warm reboot after upgrading intel-microcode package To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/1854764/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs