Dell Vostro A90 Service Manual

Also see for Vostro A90: Quick start guide Setup and quick reference guide

Contents

Back to Contents PageSystem BoardDell™ Vostro™ A90 Service ManualRemoving the System BoardReplacing the System BoardSetting the Keyboard MatrixUpdating Service TagRemoving the System Board1. Follow the instructions in Before You Begin.2. Remove the module cover (see Removing the Module Cover).3. Remove the memory module (see Removing the Memory Module).4. Remove the solid-state drive (see Removing the Solid-state Drive).5. Remove the keyboard (see Removing the Keyboard).6. Remove the palm rest (see Removing the Palm Rest).7. Disconnect the display cables, Mini-Card antenna cables, and speaker cable from the respective system board connectors (see Display Assembly).8. Disconnect the microphone cable and AC adapter cable from the respective system board connectors.9. Remove the two screws that secure the system board to the computer base.10. Lift the system board at an angle towards the side of the computer and out of the computer base.Replacing the System BoardCAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety bestpractices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface(such as the back panel) on the computer.1 screw (2) 2 system board3 microphone cable connector 4 AC adapter cable connectorNOTE: The thermal pads may stick to the bottom of the palm rest. Remove the thermal pads from the bottom of the palm rest.

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