Removing and Installing Parts: Dell Dimension 9150 Service Manualfile:///T|/htdocs/systems/dim9150/en/sm/parts.htm[10/31/2012 7:59:36 AM]3. Remove the computer cover.4. Locate the battery socket.NOTICE: If you pry the battery out of its socket with a blunt object, be careful not to touch the system board with theobject. Ensure that the object is inserted between the battery and the socket before you attempt to pry out thebattery. Otherwise, you may damage the system board by prying off the socket or by breaking circuit traces on thesystem board.5. Remove the battery by carefully prying it out of its socket with your fingers or with a blunt, nonconducting object suchas a plastic screwdriver.6. Insert the new battery into the socket with the side labeled "+" facing up, and snap the battery into place.7. Replace the computer cover.NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into thecomputer.8. Connect your computer and devices to electrical outlets, and turn them on.9. Enter system setup and restore the settings you recorded in step 1.CAUTION: For instructions about how to safely dispose of a battery, see your Product Information Guide.10. Properly dispose of the old battery.System BoardRemoving the System BoardCAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet beforeopening the cover.NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface,such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to