Once all screws have been removed, the laptop’s hard drive should be able to slide out. The hard drive bay is marked with an engraved symbol, and is attached to the HP laptop motherboard. The next step to replacing Toshiba laptop motherboards, is to turn the computer back over, and open the screen’s lid. With a flat-head screwdriver, pry underneath the large plastic section, located above the keyboard. It is the housing for the indicator lights and power button. After removing the plastic housing, disconnect the cable connecting it to the HP laptop motherboard. Also remove the keyboard from the case, and disconnect the ribbon cable. Unscrew the screen hinges from the case, pull them out, and set them aside.

Locate the network card, and disconnect it from the port on the Toshiba laptop motherboard. Remove the screws holding the graphics card. Disconnect the card from the motherboard and set it aside. Then, remove the screws for the fan and heat sink unit on the laptop’s processor. Remove the unit and processor from the HP laptop motherboard, and with a screwdriver, take out the screws along its edges. Finally, lift the damaged motherboard out of the casing, and place it aside. Insert the one of the compatible motherboards for HP laptops into the casing, and reassemble the internal parts that were previously removed. It is highly recommended to take a photograph of the Toshiba laptop motherboard’s unit throughout the repair procedure, to utilize during the rebuilding process.