Dell Vostro 220s (Late 2008) - Manual (Page 92)

92
I/O Panel
5 For the Vostro 220s:
a Replace the chassis support bracket (see "Replacing the Chassis
Support Bracket" on page 57).
b Replace any hard drives in the hard drive cage (see "Replacing or
Adding a Hard Drive" on page 69) that you removed in step 5 of
"Removing the I/O Panel" on page 89.
6 Follow the procedure in "After Working on Your Computer" on page 45.