Before You Begin: Dell XPS M170 Service Manualfile:///C|/Users/santhosh_v.ASIA-PACIFIC/Desktop/Hawke/New%20folder/begin0.htm[2/21/2014 11:33:36 AM]Computer Orientation1 front 2 left 3 back4 rightScrew IdentificationThe following chart provides the number of screws used to secure the various system components and theircorresponding sizes. When removing and replacing components, print the screw identification chart as a placemat tolay out and keep track of the screws.Optical Drive:(1 each – optional)Modem:(1 each)Bluetooth Module:(1 each)