Hello, change the bootorder > BootOrder: 0002,3002,0000,0003,0004,0005,2001,2002,2003 your first boot is windows Am Dienstag, 28. Mai 2019, 13:29:39 CEST schrieb Gary Stainburn: > Morning all, > > I have a HP Envy dual boot system (Win8 for serious stuff, i.e. Train Sim > and Flight Sim) and Centos 7 for everything else. > > In the past I've had the occasional problem where an update on the windows > side has updated the UEFI boot sequence but using efibootmgr has always > fixed it. > > On Friday I discovered that my HDD was failing so I tried using Clonezilla > to move it on to a new SSD of the same size. Unfortunately the clone > didn't work, failing half way through my main partition. Thankfully the > Windows partitions and boot info cloned across so that side of the system > worked. > > I then wiped all the Linux partitions and did a clean C7 install using the > latest ISO, all went well, but when it reboot it went straight into > Windows. Using F9 on reboot I chose CentOS Linux and the new system > booted. Using efibootmgr I reset the boot sequence and all looked fine > (see below). > > Unfortunately, when I then reboot it reverts to booting Windows. Using F9 to > get back into Linux then shows that the boot sequence has reverted. This > means that the updated sequence either was not stored properly, or > something is resetting it. > > Legacy support in the BIOS is turned off as it should be, and the boot > sequence in the BIOS only has a limited number of options. The sequence in > the BIOS is: > > UEFI Boot Order > USB Diskette on Key/USB Hard Drive > OS boot Manager (shown in white) > Internal CD/DVD ROM Drive > USB CD/DVD ROM Drive > ! Network Adapter > > Legacy Boot Order > Notebook Hard Drive > Internal CD/DVD ROM Drive > USB Diskette on Key/USB Hard Drive > USB CD/DVD ROM Drive > ! Network Adapter > > If I press <F9> I get the same options as in efibootmgr but the first option > "Windows Boot Manager" is selected. > > > > [root at gary ~]# efibootmgr > BootCurrent: 0004 > Timeout: 0 seconds > BootOrder: 0002,3002,0000,0003,0004,0005,2001,2002,2003 > Boot0000* Linux > Boot0002* Windows Boot Manager > Boot0003* Fedora > Boot0004* CentOS Linux > Boot0005* CentOS > Boot2001* USB Drive (UEFI) > Boot2002* Internal CD/DVD ROM Drive (UEFI) > Boot3000* Internal Hard Disk or Solid State Disk > Boot3002* Internal Hard Disk or Solid State Disk > Boot3004* Internal Hard Disk or Solid State Disk > [root at gary ~]# efibootmgr -o 0004,2001,2002,3000 > BootCurrent: 0004 > Timeout: 0 seconds > BootOrder: 0004,2001,2002,3000 > Boot0000* Linux > Boot0002* Windows Boot Manager > Boot0003* Fedora > Boot0004* CentOS Linux > Boot0005* CentOS > Boot2001* USB Drive (UEFI) > Boot2002* Internal CD/DVD ROM Drive (UEFI) > Boot3000* Internal Hard Disk or Solid State Disk > Boot3002* Internal Hard Disk or Solid State Disk > Boot3004* Internal Hard Disk or Solid State Disk > [root at gary ~]# efibootmgr > BootCurrent: 0004 > Timeout: 0 seconds > BootOrder: 0004,2001,2002,3000 > Boot0000* Linux > Boot0002* Windows Boot Manager > Boot0003* Fedora > Boot0004* CentOS Linux > Boot0005* CentOS > Boot2001* USB Drive (UEFI) > Boot2002* Internal CD/DVD ROM Drive (UEFI) > Boot3000* Internal Hard Disk or Solid State Disk > Boot3002* Internal Hard Disk or Solid State Disk > Boot3004* Internal Hard Disk or Solid State Disk > [root at gary ~]# > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos -- mit freundliche Grüßen / best regards, Günther J. Niederwimmer