Vaio PCG-R600HEK Operating system not found

When I try to power up this Sony Vaio PCG-R600HEK notebook it displays the Sony screen then its says Operating system not found. I have checked the Bios and it lists Primary and Secondary IDE as none although it is set to auto it doesn't seem to detect the drive.
I have tried the hard drive in another system and its working OK. The only thing that seems apparent is that there is only a 1 volt supply to the drive. Has anybody come across this problem and is there a simple solution

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