Dell OptiPlex 330 User Manual page 175

5 Move the first hard drive from the upper bay to the lower bay:
Disconnect the power and the data cables from the back of the first
a
hard drive.
Press in on the blue release tabs on each side of the drive and slide the
b
first hard drive up and out of the upper bay.
Gently slide the first hard drive into the lower bay until it clicks into
c
place.
6 Gently slide the new hard drive into the upper bay until it clicks into place.
7 Connect a power cable to each drive.
Mini Tower Computer Parts
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