Hello, trying to make a usb install on a thin client it seems I notice an incorrect diskboot.img image in 5.7. Anyone already discovered/reported this? As soon as I boot from usb pen drive, I get an error Could not find kernel image: linux this depends on syslinux.cfg being empty sha1sum of my dvd iso is correct # sha1sum CentOS-5.7-i386-bin-DVD-1of2.iso e0eab4dd77c3ecc73080428beaa4ffe28984dc4b CentOS-5.7-i386-bin-DVD-1of2.iso # mount -o loop CentOS-5.7-i386-bin-DVD-1of2.iso /mnt/ # sha1sum /mnt/images/diskboot.img 0568258b34eda506e76801ea5bfd6b57cdd299bc /mnt/images/diskboot.img # mount -o loop /mnt/images/diskboot.img /pp on CentOS 5.7 under /pp I have: total 12244 -rwxr-xr-x. 1 root root 292 Sep 5 11:53 boot.msg -rwxr-xr-x. 1 root root 919 Sep 5 11:53 general.msg -rwxr-xr-x. 1 root root 10450542 Sep 5 11:53 initrd.img -rwxr-xr-x. 1 root root 10648 Sep 5 11:53 isolinux.bin -r-xr-xr-x. 1 root root 9660 Sep 5 11:53 LDLINUX.SYS -rwxr-xr-x. 1 root root 94600 Sep 5 11:53 memtest -rwxr-xr-x. 1 root root 817 Sep 5 11:53 options.msg -rwxr-xr-x. 1 root root 517 Sep 5 11:53 param.msg -rwxr-xr-x. 1 root root 490 Sep 5 11:53 rescue.msg -rwxr-xr-x. 1 root root 63803 Sep 5 11:53 splash.lss -rwxr-xr-x. 1 root root 0 Sep 5 11:53 syslinux.cfg -rwxr-xr-x. 1 root root 1892352 Sep 5 11:53 vmlinuz while on CentOS 5.6 total 9562 -rwxr-xr-x. 1 root root 292 Mar 29 23:15 boot.msg -rwxr-xr-x. 1 root root 919 Mar 29 23:15 general.msg -rwxr-xr-x. 1 root root 7705221 Mar 29 23:15 initrd.img -rwxr-xr-x. 1 root root 10648 Mar 29 23:15 isolinux.bin -r-xr-xr-x. 1 root root 9660 Mar 29 23:15 LDLINUX.SYS -rwxr-xr-x. 1 root root 94600 Mar 29 23:15 memtest -rwxr-xr-x. 1 root root 817 Mar 29 23:15 options.msg -rwxr-xr-x. 1 root root 517 Mar 29 23:15 param.msg -rwxr-xr-x. 1 root root 490 Mar 29 23:15 rescue.msg -rwxr-xr-x. 1 root root 63803 Mar 29 23:15 splash.lss -rwxr-xr-x. 1 root root 340 Mar 29 23:15 syslinux.cfg -rwxr-xr-x. 1 root root 1888052 Mar 29 23:15 vmlinuz Tried to simply copy the syslinux.cfg from 5.6 and recreating diskboot.img but as soon as there are some dots of the initrd phase, just before the moment when I should see the kernel messages the pc reboots itself. it is a Dell thin client Optiplex FX160 Donna if it could be a problem with my hw or other kind of problems in necessary files..... Gianluca