Ultimate Boot CD

Hi, I have 2 similar IDE Western digital hard drives. one is recognized without problem in a PC, the other one is recognized at the bios level but not at the explorer level. The diagnostic indicates : initdisk: error reading partition table drive 00h, sector 0 . there is a continuous tactactac when ...

Hi, i'm a UBCD novice. i cannot obtain access to a HDD western digital : disk controller failure. In the UCBD menu MBR tool V2 , there are several choices: 1) perform automatic backup of all MBRs to disk 4)work with a MBR 5)work with a track0 what do you advise me to do to repair the HDD ? thank you...