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Heat is the main factor that cause laptop's video card failure. The continuous overheating cause the solder connection around the chipset melted and unseat. Base on your model, your graphic chipset (GPU) could be embedded on your motherboard or a removable type. You must read your manual on how to disassemble each component but basically you will need to remove the back compartment and you will see the heat sink and, GPU and CPU right away. What we actually want to do is to re-heated the GPU so that the solder connections seated again.
Fix Laptop Removable Graphic Chipset.
Certain laptop such as Acer models have a removable graphic chipset which allow your to remove them from the Main board.
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| Removable Laptop's Video Card |
First Step : Remove the back cover/compartment and then remove the heat-sink.
Second Step : Remove the graphic chipset and wrap it with aluminum foil or use a screw driver to create a gap between the GPU and the Oven.
Third Step : Put t in the oven for 10 minutes with 285 Degree.
Fourth Step : Allow it to cool before reassembling. (please apply fair amount of thermal paste on the GPU)
Fix laptop Embedded Graphic Chipset
For some laptop like Compaq Model, you can't remove the graphic chipset since it is permanently embedded to the Main Board.
First Step : Remove the back cover/compartment and then remove the heatsink.
Second Step : Cover all other components (except GPU) with aluminum foil to avoid heat to come in contact with other component.
Third Step : Apply the heat by using a HeatGun for about 40-50 seconds 1-inch above the GPU and apply it at the center of the GPU.
Fourth Step : Allow it to cool before reassembling.
Notes :
You can also use any tools that produce heat such a a hair dryer but of course it will take longer compare to HeatGun..
