System Fan; Removing The System Fan - Dell Vostro 3581 Service Manual

3 Connect the interposer to the hard drive assembly.
Next steps
1 Install the hard drive assembly.
2 Install the battery
3 Install the base cover
4 Install the optical drive
5 Install the micro SD card
6 Follow the procedure in

System fan

Removing the system fan

Prerequisites
1 Follow the procedure in
40 Removing and installing components
after working inside your computer
before working inside your computer