Dell Inspiron 4100 Service Manual

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Contents

5. Replace the palm rest, the keyboard, the display assembly, and the hard drive.6. Replace the module bay devices and any PC Cards or plastic blanks in the PC Card slot.7. Insert the floppy disk or CD that accompanied the replacement system board into the appropriate drive, and turn on the computer. Follow theinstructions on the screen.Module Latch AssembliesRemoving the Battery and Module Bay Latches1. Remove the hard drive.2. Remove the keyboard.3. Remove the display assembly.4. Remove the palm rest.5. Remove the system board.6. Remove the latch button by using a plastic scribe to push on the snap tabs until the latch button is released from the bottom case.To prevent the latch assembly from coming loose, apply pressure to the latch and spring while removing the latch button. If the latch assembly doescome loose from the case:a. Slide the spring onto the slider on the latch, and reinstall the latch into the holding features on the inside of the bottom case.b. Ensure that the slider is inserted into the hole, that the side of the latch with the two bumps is facing the back of the case, and that the side withthe wear rib is facing the front of the case.Replacing the Battery and Module Bay Latches1. Snap in the new latch button from behind the bottom case, making certain that the snap tabs are fully engaged in the latch.HINT: After replacing the system board, be sure to enter the computer service tag sequence into the BIOS of the replacement system board.NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries.NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.NOTICE: Read "Preparing to Work Inside the Computer" before performing the following procedure.HINT: The latch will not function properly if the slider is oriented incorrectly.1 bumps (2 per latch) 5 latch buttons (2)2 slider 6 snap tabs (2 per latch button)3 spring 7 wear rib4 bottom case