Your laptop's cooling fan regulates your processor's overall temperature. If your fan assembly is not functioning properly, your processor may overheat. If your processor overheats, your laptop's motherboard will suffer damage as a result. If your Toshiba Satellite's fan starts to make excessive noise, it may be an indication that your fan is starting to go bad. When this happens it is important to replace the fan promptly to prevent serious damage to your computer.
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Things you need
- Phillips-head screwdriver
- Flathead screwdriver
- Guitar pick (optional)
Turn off your laptop using the operating system's Start menu. Disconnect the AC power adaptor from its socket. Fold down the display panel and flip the laptop over. Rotate the computer so the front opening is facing you. Remove the battery pack from its compartment.
Remove the retaining Phillips-head screws securing the hard drive in place. The hard drive will be located in either the bottom right or left corner of the bottom casing, depending on your laptop's model. Remove any screws securing the hard drive inside its compartment. Lift the hard drive out of the laptop.
Remove the Toshiba's memory compartment, and its retaining screws from the centre of the laptop. Remove the RAM modules inside the compartment. Do this by spreading each module's retaining clips. Then tilt each module upward at an angle and remove the them from their memory slots.
Remove the modem card from inside the memory compartment. It is usually held in place by two Phillips-head screws. Disconnect the modem's cable and then remove the modem from the computer. Disconnect the two antenna cables from the wireless card inside the memory compartment. Spread the clips on each side of the wireless card. Tilt the card upward and then remove it from the laptop.
Remove the CD/DVD drive from either the right or left side of the laptop, depending on your laptop's model. The drive is held in place by a single Phillips-head screw.
Remove all Phillips-head screws from the bottom casing and place the laptop face up.
Open the LCD screen, and pry the keyboard bezel from laptop. The keyboard bezel is the plastic strip situated between the LCD screen and keyboard assembly. Remove the Phillips-head screws from behind the keyboard's top row of keys. Tilt the keyboard upward, and place it so the keys are facing down on the palm rest. Disconnect the keyboard's power cable from the motherboard. Remove the keyboard.
Close the LCD screen and remove any Phillips-head screws from the laptop's back panel. Reopen the display panel. Disconnect the LCD video cable coming from the left side of the screen. Remove the Phillips-head screws from each hinge. Remove the display panel from the laptop.
Disconnect all visible cables from their motherboard connectors. Remove the remaining screws securing the top casing to the laptop's base. Insert a thin, flathead screwdriver, or guitar pick, into the gap along the outside edge of the laptop. Start to pry off the top casing. Work your way around the entire laptop until the entire top casing is separated. Then lift the top casing from the laptop's base.
Remove all screws and disconnect all cables still connected to the motherboard. Lift the motherboard out of the laptop's base. Place the motherboard with the top side facing down on a clean, flat surface.
Remove the Phillips-head screws securing the cooling fan system to the motherboard. Disconnect the fan's cable from the motherboard, and then lift the fan assembly off of the processor chip. Wipe any thermal grease residue from the processor's surface with a clean paper towel.
Reverse this procedure to install a new fan and reassemble the laptop. Apply a thin coat of thermal grease to the surface of the processor before installing the new cooling fan.
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