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#11
I'm not positive because I don't know much about EFI systems, but I think you are OK.
Disk 1 appears to be the system drive and is also where C is. That should be OK.
What's on D? It has about 12 GB space used.
What's F? A USB flash drive? Not sure why it's marked "active".
Disconnect or remove all drives (internal, external, USB, whatever) other than disc 1--the 240 GB drive. Does the PC still boot with only the 240 connected?