Removed D4 diode, 1.0 TB Caviar Green now powers up but not detected when connected to PC

WD External Drives External Drives for PC
8

Fixed! You are 100% correct  fzabkar :smileyvery-happy:

Here’s the external hard drive case:

ehcase.jpg
ehcase.jpg1633×2904 888 KB

Here is the USB-SATA bridge board from inside the case:

epcb.jpg
epcb.jpg2880×1620 1.02 MB

Once I connected my hard drive (has the PCB minus the D4 diode) to the USB-SATA bridge board, then connected to my laptop, I can now see the drive and view my family photos again!

Thanks to everyone and many thanks to you  fzabkar!