Thanks a lot guys! It works again and I learned something new... The Qubes 4.0 installation changed the EFI boot entry. With the following command I fixed it:
"efibootmgr -v -c -L Qubes -l /EFI/qubes/xen.efi -d /dev/nvme0n1p1" (With hint from awokd and https://github.com/QubesOS/qubes-issues/issues/2381#issuecomment-294405605) See you ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On April 11, 2018 3:49 PM, 'awokd' via qubes-users <qubes-users@googlegroups.com> wrote: > On Wed, April 11, 2018 1:17 pm, berto00000...@gmail.com wrote: > > > On Wednesday, April 11, 2018 at 7:05:04 PM UTC+7, 97a6sd67fs9 wrote: > > > > > In order not to ruin my 3.2 production installation I bought a new NVME > > > > > > SSD. After disk replacement I installed Qubes 4.0 and test my needs. > > > > > > Then I put the old SSD back in and now my PC doesn't start anymore. It > > > > > > hangs on the boot menu screen (Lenovo T460s) and when I enter into > > > > > > "Qubes" or the SSD device, it only refresh the screen. > > > > Have you connected any other storage devices to your machine? That might > > > > mess up the the device names if the configs don't use the device UUIDs. > > I think it's related to this. My guess is, when you installed 4.0, it > > overwrote the boot menu entry in your EFI firmware, so now it doesn't work > > for 3.2. If you were using legacy mode boot for 3.2, try to set that first > > in your boot order. If EFI mode, you might have to boot into Qubes > > recovery mode (possibly from the 3.2 DVD), then repair the EFI boot entry. > > The command will be something like: > > sudo efibootmgr -c -L Qubes32 -d /dev/sda -p 1 -l \EFI\qubes\xen.efi > > Note the "/dev/sda" and "-p 1" might vary. "-p 1" is the partition number > > for your EFI partition (and this is what might have changed with your 4.0 > > install. > > > ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ > > You received this message because you are subscribed to the Google Groups > "qubes-users" group. > > To unsubscribe from this group and stop receiving emails from it, send an > email to qubes-users+unsubscr...@googlegroups.com. > > To post to this group, send email to qubes-users@googlegroups.com. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/qubes-users/985f2785ea76ae44e0dfa2171bc4acc2.squirrel%40tt3j2x4k5ycaa5zt.onion. > > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/O3qglD8oiigND-m-a0bQQGtxUJhY0DECnSt_Y49FEqfoX74yFJ45M3JcW8s6_3o8UsN5FLOTPExRmnLDK4dIe-I8YxWXKspKzwtM4hC_AEU%3D%40protonmail.com. For more options, visit https://groups.google.com/d/optout.
