This guide is from the site www.insidemylaptop.com.
This guide will explain how to replace the CPU cooling fan of Toshiba Satelleite P205 / P300. The acutal laptop in this guide is a Toshiba Satellite P205.
Remove memory cover, hard drive cover and modem cover.
Each cover is secured by one screw.
Slide the hard drive to the left side to disconnect it from the motherboard.
Carefully lift up the hard dive and remove it from the laptop.
Remove both memory modules.
Remove both screws securing the modem card.
Carefully lift up the modem. The modem is connected to the motherboard. This connection is located under the modem so you cannot see it.
Unplug the modem cable.
Remove one screw securing the DVD drive to the laptop case.
Remove two screw seals.
Push the DVD drive with a screwdriver and remove it from the notebook.
Remove all screws marked with red circle.
In the previous step you removed two screw seals. There are two screws located under the seals and you can access these screws only after the DVD drive is removed.
Remove two screws from the back side of the notebook.
These screws securing hinges.
Turn the laptop over and start removing the Toshiba Satellite P205 / P300 keyboard bezel.
You can use a guitar pick.
After all latches are released you can remove the Toshiba Satellite P205 / P300 keyboard bezel.
After the keyboard bezel is removed, you get access to four keyboard screws.
Remove all four screws.
Carefully lift up the Toshiba Satellite P205 / P300 keyboard so you can access the keyboard cable connected to the motherboard. Unlock this connector and remove the keyboard cable. Now, you can
remove the Toshiba Satellite P205 / P300 keyboard.
In order to split the notebook case, you'll have to remove all marked screws located under the keyboard.
Unplug both wireless card antenna cables.
Remove two screw securing the wireless card and remove the card.
Disconnect the switch board cable from the motherboard.
Before you pull the cable, unlock the connector.
Start separating the speaker cover from the notebook.
Again, you can use the same guitar pick.
After all latches are released, lift up the back side of the speaker cover.
Remove the speaker cover.
Unplug the video cable, the touchpad cable and other small connectors.
Remove cables from their routs on the top cover.
Remove two screws securing the display assembly hinges.
Lift up and remove the display assembly.
Start separating the top cover assembly from the notebook base by moving the guitar pick alone the side.
Remove the top cover assembly.
Now you can access the motherboard.
In order to remove the motherboard, you'll have to remove the VGA connector board first.
Remove one screw and unplug the cable from the motherboard.
Remove two hex studs from the VGA port on the left side of the notebook.
Remove the VGA connector board.
Unplug the USB board cable.
Remove two screws securing the motherboard.
Release the power cable.
Start remving the motherboard from the notebook case.
Lift up and remove the Toshiba Satellite P205 / P300 motherboard.
Unplug the cooling fan cable and turn the motherboard over.
Now you can remove six screws from the heatsink, remove the Toshiba Satellite P205 / P300 heatsink and the cooling fan. In the most of case, you only need to replace the fan. You can find a Toshiba Satellite P205 / P300 Fan here.
When you assembly everything back together, do not forget to apply thermal grease on the CPU and northbridge.
You have to use special grease for the northbridge. Here's the part number for this grease: K000051370
For CPU you can use the following grease: X-23-7762-01