hi i use suse 10.1 i installed new kernel and kernel source from http://software.opensuse.org/download/Kernel/SUSE_Linux_10.1/x86_64/ my boot folder backup_mbr boot -> . config-2.6.16.13-4 config-2.6.16.20-1.1-default grub nitrd -> initrd-2.6.16.20-1.1-default initrd-2.6.16.13-4 initrd-2.6.16.20-1.1-default message symsets-2.6.16.13-4.tar.gz symsets-2.6.16.20-1.1-default.tar.gz symtypes-2.6.16.13-4.gz symtypes-2.6.16.20-1.1-default.gz symvers-2.6.16.13-4.gz symvers-2.6.16.20-1.1-default.gz System.map-2.6.16.13-4 System.map-2.6.16.20-1.1-default vmlinux-2.6.16.13-4.gz vmlinux-2.6.16.20-1.1-default.gz vmlinuz -> vmlinuz-2.6.16.20-1.1-default vmlinuz-2.6.16.13-4 vmlinuz-2.6.16.20-1.1-default my grub menu ###Don't change this comment - YaST2 identifier: Original name: linux### title SUSE Linux 10.1 root (hd0,4) kernel /boot/vmlinuz root=/dev/sda5 vga=0x31a resume=/dev/sda9 splash=silent showopts initrd /boot/initrd ###Don''t change this comment - YaST2 identifier: Original name: linux### title SUSE LINUX 10.1 old kernel root (hd0,4) kernel /vmlinuz-2.6.16.13-4 root=/dev/sda5 vga=0x31a resume=/dev/sda9 splash=silent showopts initrd /initrd-2.6.16.13-4 i can boot on the new kernel..... but when i try to boot to my old kernel i get from grub Error 15: File not found habitually this error mean "File not found" This error is returned if the specified filename cannot be found, but everything else (like the disk/partition info) is OK any idea? -- Check the headers for your unsubscription address For additional commands send e-mail to suse-linux-e-help@suse.com Also check the archives at http://lists.suse.com Please read the FAQs: suse-linux-e-faq@suse.com