Acer Aspire M3600 Service Manual page 56

3-9. Disconnect the System Fan power-cable to the MB connector.
4.Disconnect the HDD
Rail the HDD-holder shown bellow, then take the HDD out from the chassis.
5.Release the three latches on the front bezel, then remove the front bezel.
6.Disconnect the ODD
Rail the ODD-holder shown bellow, then take the ODD out from the chassis