One of the servers I manage is a 4.5TB Poweredge 2800 with a powervault 220s running Windows Server 2003 that no longer will boot and is about 10 months out of warranty. I started having some minor problems last week that I assumed were software related but then I did a reboot of the server after installing some MS Security patches and now it doesn't boot. As i watch the POST it appears that one of the RAID controllers, Perc 4e/Di Standard has failed as HA-0 (bus2 Dev 14) reads 0 Logical drives on the Host Adapter, and 0 Logical Drives Controlled by the BIOS, But HA-0 (Bus 8 Dev 14) reads 2 drives on each. I have tried to boot to the Utility Partition F10 but it cannot find it either. I have booted to my PE disk and with DISKPART I can see two 1.3_Tb partitions, but using any file explorers I cannot see any drives and definitely not C or D. Any info will be greatly appreciated.