my COMPUTER has 3 hard drives. it is a Dell Precision 380 running win. 7. I want to just have one hard drive on the computer for a short time but they all must be plugged in for the computer to boot. How can I go to only 1 drive.Not clear on the question...why would all 3 be required to be connected for the PC to boot ? ?
The only one NEEDED is the one the OS is installed to...Some of the Dell Precision 380 systems are RAID.With 3 HDD's ? ?I don't know why all 3 have to be plugged in to boot up. I bought the computer used and it works WELL but i need someone well versed to tell me how to go about just having one HD. If I unplug any one of the 3 the comp. will not boot. I am not a computer guru thus I could use an experts help.

Thanks,

Since we cannot see it from here Post a screenshot of Disk Management...It seems like the 100 mb partition should be on the "C" drive not the "R".


[recovering disk space, attachment DELETED by admin]I have a hard time with the graphic.
Try this:
http://dslgeek.com/disk-man.png


He has two OS on ton two drives.  Who knows what  it is?

Sorry, but I can not leave the image on that site.