Replacing the motherboard requires complete disassembly of the laptop.
Replacing the motherboard on a Toshiba M35X will require complete disassembly of the laptop. This will expose sensitive areas of the computer, and the task should not be attempted without prior experience or knowledge. Because the motherboard is such an integral part of the computer, and one of the most complex components, even a small fault can create complete system failure. Replacing the motherboard of a computer should always be one of the last steps in the troubleshooting process, as it is the most expensive component.
Instructions
1. Unplug the laptop and remove the battery. Flip the laptop over so you are looking at its underside.
2. Remove the memory module door. Remove the memory modules by sliding the clips away from the center of the modules.
3. Remove the hard drive door. Slide the hard drive away from the port to disconnect it. Remove the hard drive.
4. Remove the screw securing the optical drive. Slide out the optical drive.
5. Remove all remaining screws from the underside of the laptop.
6. Flip the laptop over and open it. Slide a small flat-head screwdriver between the keyboard and the keyboard bezel. Gently pry it up and remove it.
7. Remove the two screws securing the keyboard. Release the keyboard lock located in the center.
8. Lift the keyboard so that the keyboard cable connector becomes visible. Disconnect the keyboard cable and remove the keyboard.
9. Remove the screw securing the modem cover and lift it off.
10. Remove the screw securing the wireless card cover. Unplug the wires from the card and remove the card.
11. Remove the screws from the back of the laptop that secure the screen assembly.
12. Unplug the video cable from the left side of the computer.
13. Remove the two screws securing the hinges to the base of the laptop.
14. Pull the wireless card wires free from the plastic guides, and remove the screen assembly.
15. Separate the top cover from the base of the laptop by gently prying apart the seam. Slide slowly across the entire seam to ensure that all plastic clips have been unsnapped. Remove the top half of the casing.
16. Remove the video card cover.
17.Remove the two screws securing the modem and unplug the cable. Remove the card.
18. Remove the four screws from the hard drive cover and remove it.
19. Unplug any wires that are still connected to the motherboard. Check the modem, wireless, sound, and fan.
20. Remove the four screws securing the heat sink and gently lift it off of the CPU.
21. Remove the two hex screws that straddle the video port on the back of the computer.
22. Lift the motherboard and pull away from the place where the hex screws were fastened. Gently guide the motherboard free of the casing.
23. Release the lock on the CPU socket using a flat-head screwdriver. Gently remove the CPU so that it may be immediately placed into the new motherboard.
Tags: Remove screws, hard drive, screws securing, away from, Remove screw, Remove screw securing