Strange one that I can't fix 
Had a 80gig ssd hard drive on my windows 7 64 system as well as several other drives carrying data.
Time moves on, prices come down and I have brought a 220 gig ssd. Used partition manager to copy all the data from old to new, rebooted, all fine. Used windows own tools to extend the partion to full size. Still fine.
The twist is that I have 4 external drives, if these are switched on then the machine refuses to boot and gets stuck at verifying dmi pool data, if I switch them off then it boots fine (if I switch them off when its stuck it doesn't carry on)
Before I changed drives it would boot fine.
If I boot on windows dvd and try and repair (thinking perhaps repairing mbr might help) it doesn't see the operation system disk.
Help?!
Below is the drives (externals are switched off) as windows sees them. Should C be "Active" perhaps?
hd by peige10101, on Flickr

Had a 80gig ssd hard drive on my windows 7 64 system as well as several other drives carrying data.
Time moves on, prices come down and I have brought a 220 gig ssd. Used partition manager to copy all the data from old to new, rebooted, all fine. Used windows own tools to extend the partion to full size. Still fine.
The twist is that I have 4 external drives, if these are switched on then the machine refuses to boot and gets stuck at verifying dmi pool data, if I switch them off then it boots fine (if I switch them off when its stuck it doesn't carry on)
Before I changed drives it would boot fine.
If I boot on windows dvd and try and repair (thinking perhaps repairing mbr might help) it doesn't see the operation system disk.
Help?!
Below is the drives (externals are switched off) as windows sees them. Should C be "Active" perhaps?

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