Dell Inspiron 7786 Service Manual page 5

25 Replacing the wireless card........................................................................................................................44
Procedure..........................................................................................................................................................................44
Post-requisites..................................................................................................................................................................44
26 Removing the display assembly................................................................................................................. 45
Prerequisites..................................................................................................................................................................... 45
Procedure..........................................................................................................................................................................45
27 Replacing the display assembly.................................................................................................................. 46
Procedure..........................................................................................................................................................................46
Post-requisites..................................................................................................................................................................46
28 Removing the power-adapter port............................................................................................................. 47
Prerequisites..................................................................................................................................................................... 47
Procedure..........................................................................................................................................................................47
29 Replacing the power-adapter port............................................................................................................. 48
Procedure..........................................................................................................................................................................48
Post-requisites..................................................................................................................................................................48
30 Removing the I/O board............................................................................................................................ 49
Prerequisites..................................................................................................................................................................... 49
Procedure..........................................................................................................................................................................49
31 Replacing the I/O board............................................................................................................................. 50
Procedure......................................................................................................................................................................... 50
Post-requisites................................................................................................................................................................. 50
32 Removing the power button with fingerprint reader................................................................................... 51
Prerequisites...................................................................................................................................................................... 51
Procedure.......................................................................................................................................................................... 51
33 Replacing the power button with fingerprint reader...................................................................................52
Procedure ........................................................................................................................................................................ 52
Post-requisites..................................................................................................................................................................52
34 Removing the system board.......................................................................................................................53
Prerequisites..................................................................................................................................................................... 53
Procedure..........................................................................................................................................................................53
35 Replacing the system board.......................................................................................................................55
Procedure......................................................................................................................................................................... 55
Post-requisites................................................................................................................................................................. 56
Entering the Service Tag in the BIOS setup program................................................................................................. 56
36 Removing the touchpad............................................................................................................................. 57
Prerequisites..................................................................................................................................................................... 57
Contents 5