Both My WD External Drives Not Available Win8

I recently got a new laptop with Windows 8 on it and I can’t access either of my WD external drives. I was able to see one briefly, but then it dissappeared and I haven’t been able to see them in exployer or Disk Management. I have uninstalled and re-installed the latest WD Software with updated firmware. Getting very upset because I need these drives for a photo shoot tomorrow and it looks like I’m going to be SOL. 

Hello,

Make sure the drives are plugged in directly to the wall outlet, since a power strip or surge protector may be the cause of this issue.