Dell Vostro 3267 Owner's Manual page 22

b bezel
c expansion cards
d memory module
e cooling shroud
f hard drive assembly
g optical drive
h WLAN card
i heat sink assembly
j power supply unit
k system fan
l coin cell battery
3 Disconnect the cables from the system board:
4 Follow the steps to release the I/O panel:
a Remove the 6-32xL6.35 screw that secures the I/O panel to the chassis [1].
b Press the tab to release the I/O panel from the chassis [2].
c Pull the I/O panel to release the I/O panel.
22 Removing and installing components