Dell Latitude E6420 XFR (Early 2011) - Manual (Page 56)

Dell ™ Latitude™ E6420 XFR Service Manual
Page 56
30 USB Board
30.1 Removing the USB Board Assembly
CAUTION: Before you begin any of the procedures in this section, follow the safety
instructions that shipped with your computer.
1. Follow the instructions in Before Working on Your Computer.
2. Remove the palm rest (see Removing the Palm rest).
3. Remove the Media Board (see Removing the Media Board)
4. Disconnect the USB cable from the USB Board (J10), as show below.
5. Remove the one M2.5x5 mm scres securing the media board bracket to the chassis. Remove the media board
bracket.
6. Remove two M2 x 3-mm screws securing the USB board to the chassis.