Centos 5.4不会启动

我有一个centos服务器中的三个磁盘,但它赢得启动,我根本没有grub。我试图安装grub与超级grub和修复rescatux系统,但徒劳无功。有没有办法启动到centos?这是报告

============================= Boot Info Summary: =============================== => install-mbr/Testdisk is installed in the MBR of /dev/sda. => Lilo is installed in the MBR of /dev/sdb. => Grub2 (v1.97-1.98) is installed in the MBR of /dev/sdc and looks at sector 1 of the same hard drive for core.img. core.img is at this location and looks for (md/0)/boot/grub on this drive. => Syslinux MBR (5.00 and higher) is installed in the MBR of /dev/sdd. sda1: __________________________________________________________________________ File system: ext3 Boot sector type: - Boot sector info: Operating System: Boot files: sda2: __________________________________________________________________________ File system: swap Boot sector type: Unknown Boot sector info: sda3: __________________________________________________________________________ File system: ext3 Boot sector type: - Boot sector info: Operating System: CentOS release 5.3 (Final) Boot files: /etc/fstab sdb1: __________________________________________________________________________ File system: ext3 Boot sector type: - Boot sector info: Operating System: Boot files: sdb2: __________________________________________________________________________ File system: ext3 Boot sector type: - Boot sector info: Operating System: Boot files: sdb3: __________________________________________________________________________ File system: ext3 Boot sector type: - Boot sector info: Operating System: Boot files: sdc1: __________________________________________________________________________ File system: ext3 Boot sector type: - Boot sector info: Operating System: Boot files: sdc2: __________________________________________________________________________ File system: ext3 Boot sector type: - Boot sector info: Operating System: Boot files: sdc3: __________________________________________________________________________ File system: ext3 Boot sector type: - Boot sector info: Operating System: Boot files: sdd1: __________________________________________________________________________ File system: vfat Boot sector type: SYSLINUX 6.03 2014-10-06................................................2....0............A20 gate n Boot sector info: Syslinux looks at sector 32832 of /dev/sdd1 for its second stage. SYSLINUX is installed in the /multiboot directory. No errors found in the Boot Parameter Block. Operating System: Boot files: /multiboot/rescatux-0.40b11/efi/boot/bootia32.efi /multiboot/rescatux-0.40b11/efi/boot/bootx64.efi ============================ Drive/Partition Info: ============================= Drive: sda