Inspiron 3505 Service Manual
Removing the system board (Realtek audio controller)
Prerequisites
- Follow the procedure in Before working inside your computer.
- Remove the base cover.
- Remove the M.2 2230 solid-state drive, if applicable.
- Remove the M.2 2280 solid-state drive, if applicable.
- Remove the memory module.
- Remove the fan.
- Remove the heat sink.
- Remove the wireless card.
- Remove the display assembly.
About this task
NOTE:The following procedure only applies to computers shipped with a Realtek ALC3204 audio controller.
The following images indicate the connectors on the system board.
- Power-adapter port cable
- Speaker cable
- Keyboard cable
- Keyboard-backlight cable
- Touchpad cable
- Battery cable
- Hard-drive cable
- I/O-board cable
- Fingerprint-reader cable
- Power-button cable
The following images indicate the location of the system board and provide a visual representation of the removal procedure.
Steps
- Disconnect the power-adapter port cable from the system board.
- Disconnect the fan cable from the system board.
- Open the latch and disconnect the fingerprint-reader cable from the system board, if applicable.
- Open the latch and disconnect the I/O-board cable from the system board.
- Open the latch and disconnect the hard-drive cable from the system board, if applicable.
- Open the latch and disconnect the touchpad cable from the system board.
- Open the latch and disconnect the keyboard-backlight cable from the system board, if applicable.
- Open the latch and disconnect the keyboard cable from the system board.
- Disconnect the speaker cable from the system board.
- Remove the screw (M2x4) that secures the system board to the palm-rest and keyboard assembly.
- Lift the system board off the palm-rest and keyboard assembly.
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